NOTES
ROYAL BOTANIC GARDEN, EDINBURGH. VOL. XIiil. Including Numbers LXI-LXV, 1920-1922.
With Plates CLXX-CLXXIX, and One Figure in the Text.
pas ‘ ONE Pa ies (Sos as oy) =i <4 = ax ae QR
EDINBURGH : PUBLISHED BY HIS MAJESTY’S STATIONERY OFFICE.
EN, Her afcectty’ ot drome atty Bookseller, from
STATIONERY ERs, | BRANCH), 283 For’ 1H Be ‘BURGH. )
“épyright Reserved.|
Dates of the several Numbers of this Volume.
Number LXI, pp. 1-65 for September 1920. Number LXII, pp. 67-101 for August 1921. Numbers LXITI-LXIV, pp. 103-222 for N Number LXV, pp. 223-300 for April 1922.
ovember 1921.
List of Contents to Vol. XIII, 1920-1922.
The Royal Botanic Garden List of Staff at April 1922 Rules and Regulations Historic Notice Regius Keepers Principal Gardeners from 1756 Features of the Garden. With Key-Plan Teaching in the Garden
Enumeration of Visitors, r889—1921 ee
Primula et Omphalogramma : Diagnoses Specierum Novarum.
By Professor Bayley Balfour, F.R.5S. .
Rhododendron: Diagnoses Species Novarum. By Professor Bayley Balfour, PS. - ; ‘ : :
Some Asiatic Sedums in the paper Herbarium; with
supplementary notes from Museum. With Pfates CLXX- CLXXIX and One
Text-figure. By R. Lloyd Praeger, B.A. New Species of the Genera Phtheirospermum and Pedicularis. By Gustave Bonati : ‘ : ;
Diagnoses Specierum novarum in herbario Horti Regit Rotanici Edinburgensis cognitarum. DI.—DL.
149
iv CONTENTS
A New Chelonistele from Mt. Kinabalu, Borneo. By W. W. Smith, M.A.
New Orchids from Yunnan and Northern Burma. By W. W. Smith, M.A.
Rhododendron: Diagnoses Specierum Novarum. I]. By Professor Sir Isaac Bayley Balfour, F.R.S.
Two New West African Ceropegias. By W. W. Smith, M.A.
ee Se ee 1 i, fags oe Office hamest, — 375 12/22 oe z
188
307
THE ROYAL BOTANIC GARDEN, EDINBURGH.
THE Royal Botanic Garden, Edinburgh, is one of three Gardens maintained by the State in the United Kingdom, the others being the Royal Gardens at Kew in England, and the Glasnevin Garden at DublininIreland. - It occupies an unequally-sided quadrilateral area of 57.648 acres (bounded upon all sides by public roads and dwelling-houses) on the north side of Edinburgh—about a mile from the shore of the Firth of Forth. - Its highest point, at Inverleith House—the official residence of the Regius Keeper of the Garden—towards the north-west, is 109g feet above sea-level, and thence the ground falls away on all sides. The lowest point —a depression 48 feet above sea level, with an east and west trend through the middle of the Garden—is the site of an old bog, and the ground rises again to the south of the depression. The surface soil is generally alluvial sand resting on clay at considerable depth. In the lower part of the area the clay comes to the surface.
There are two entrances to the grounds—one upon the east side from Inverleith Row into the Garden, the other upon the west side from Arboretum Road into the Arboretum. The entrance to the Laboratories, Lecture Halls, Library, and to the Office for Garden business is from Inverleith Row. :
The Garden is open daily from 9 a.m. on Week-days and from 11 a.m. on Sundays until sunset.
The Plant-Houses are open from 1 p.m. until 5 p.m., or until sunset if this be earlier.
The Museum is open on Week-days from 9 a.m. until 5 p.m. and on Sundays from 1 p.m. until 5 p.m.
The Herbarium is open on Week-days from 9 a.m. until 5 p.m., excepting Saturday, when it is open until 1 p.m.
The Library is open on Week-days from 9 a.m. until 5 p.m, excepting Saturday, when it is open until 1 p.m.
The Office for transaction of business with the Public and with Tradesmen is open on Week-days from 9 a.m. until Spm, . excepting Saturday, when it is open until 1 p.m.
{Notes R.B.G., Edin., April 1922.]
Staff of the Royal Botanic Garden, Edinburgh,. at April 1922.
ESTABLISHMENT.
Regius Keeper
Assistant Keeper Assistant in Herbarium Assistant in Laboratory Assistant in Library . Assistant in Museum . Assistant in Studio Head Gardener . Plant Propagator Typist
Do. : Medical Officer
Assistant Head Gardener
Foreman of Arboretum
William Wright Smith,
MOA, Fils. ome Vacant
William Edgar Evans, B.Sc. Matthew Young Orr
James Todd Johnstone, M.A., B.Se. Harry Frank Tagg, F.L.S. Robert Moyes Adam
Robert Lewis Harrow, F.R.H.S. Laurence Baxter Stewart
Jean Brockie
. Elizabeth Murdison Reid
Disney Cran, M.D.
David Ramsay Oliver
Charles Lamont
Foreman of Glass Department. - James John Campbell Foreman of Herbaceous Department . Alexander M‘Cutcheon
RULES for the Royal Botanic Garden and Arboretum in connection with the Regula- tions prescribed by ‘‘The Parks Regulation Act, 1872.”
1. No unauthorised Person may ride or drive in this Garden or in the Arboretum, and no Wheelbarrow, Truck, Bath-chair, . Perambulator, Cycle, or other Vehicle or Machine, is allowed to enter, except with the written permission of the Keeper. Children under ten years of age are not admitted unless accompanied by a Parent or suitable Guardian.
2. No Horses, Cattle, Sheep or Pigs are allowed to enter.
3. No Dogs are admitted.
4. No Bags, Baskets, or Parcels, no Flowers, and no imple- ments for games may be brought in; Artists and Photographers may not bring in their Apparatus without written permission from the Keeper.
Nort.—The foregoing Rules shall not apply to persons going to or leaving Inverleith House by the road leading from the Arboretum Road Gate to the House.
5. Wisitors are to enter and leave the Plant-Houses by the Doors according to the Notices affixed thereon.
6. Smoking is not allowed in the Plant-Houses.
7. No Person shall touch the Plants or Flowers.
8. Picnics and luncheon parties are not allowed.
g. No unauthorised Person shall Drill or practise Military Evolutions or use Arms or play any Game or Music, or practise Gymnastics, or sell or let any Commodity.
to. No unauthorised Public Address may be delivered in the Garden or Arboretum, No Performance or Representation either spoken or in dumb show shall be given in any part of the Garden or Arboretum, unless by permission of the Commissioners of His Majesty’s Works and Public Buildings. No Person shall use any obscene, indecent, or blasphemous words, expressions, or
lll
iv S RULES AND REGULATIONS,
gestures, or do any act calculated to provoke a breach of the Peace, in the course of, or in connexion with, any speech, address, performance, recitation, or representation. No money shall be solicited or collected in connexion with any performance, recitation, or representation, except by permission of the Com- missioners of His Majesty’s Works and Public Buildings.
11. Large parties must be broken up to prevent crowding.
12. Climbing the Trees, Railings or Fences is forbidden.
13. Birds’-nesting, and taking, destroying, or injuring Birds or Animals are forbidden.
14. The distribution of Handbills, Advertisements, and other Papers by the Public is forbidden.
Dated the 28th Day of April, 1904.
Sealed with the Common Seal of the Commissioners of His Majesty’s Works and Public Buildings.
Sctouperc K. M‘DONNELL, ‘Secretary.
Historic Notice.
{N the year 1670 a small portion of ground, known as St. Ann’s Yards, lying to the south of Holyrood House, and usually let to market gardeners by the Hereditary Keeper of Holyrood House, was occupied by two eminent Edinburgh physicians, Andrew Balfour and Robert Sibbald for the making of a Physic Garden, and James Sutherland was appointed to the ‘“‘Care of the Garden.’ This was the foundation of the Royal Botanic Garden of Edinburgh, which is therefore, after that of Oxford (founded in 1632), the oldest in Great Britain. The Garden was stocked with plants from the private Garden of Dr Andrew Balfour, in which for some years he had been accumulating medicinal plants, and also in great measure from that at Livingston in West Lothian, the laird of which, Patrick Murray, was much interested in the growing of useful plants. Shortly thereafter, but at what precise date has not yet been ascertained, Sutherland became custodian of the Royal Garden, which lay on the north side of the Palace, and it became a Physic Garden for instruction, whilst the original plot in St. Ann’s Yards was, apparently, given up. :
In 1676 the same physicians acquired from the Town Council
of Edinburgh a lease of the Garden of Trinity Hospital and adjacent ground for the purpose of a Physic Garden in addition to the Garden already existing at Holyrood, and they appointed the same James Sutherland (1639 ?-1719) to be ‘‘Intendant’’ of this Garden. The site of this Garden, which for convenience of reference may be called the Town’s Botanic Garden, was the ground lying between the base of that portion of the Calton Hill upon which the prison is built and the North Bridge, and it is now occupied by a portion of the Waverley Station of the North British Railway. The name Physic Garden attached to a street in the vicinity is a reminiscence of the existence of the Garden at this spot. _ About 1702 another Botanic Garden was established in Edinburgh in the ground immediately adjacent to the College Buildings, apparently on the site of the present South College Street. This was the College Garden, and of it James Sutherland became also custodian.
Thus in the early years of the eighteenth century there were
v
v1 a Historic NotgIceE.
in Edinburgh three distinct Botanic or Physic Gardens—one at Holyrood, the Royal Garden; one around Trinity Hospital, The Town’s Garden; and one beside the College, the College Garden—all under the care of James Sutherland.
Sutherland from the first made use of the Royal Garden for * and received a royal warrant appointing him Botanist to the King in Scotland,
giving “instruction in Botany to the Lieges,’
and empowering him to “‘set up a Profession of Botany’’ in this Garden. When the Town’s Garden was created the Town Council appointed him to lecture on Botany as Professor in the Town’s College, now the University of Edinburgh. In 1683 he published his “‘Hortus Medicus Edinburgensis, ot a Catalogue of the Plants in the Physical Garden at Edinburgh,”’ from which and from other published notices we learn that between two and three thousand plants were in cultivation. There are no data available from which to determine how these plants were distri- buted between the several Gardens at the date of publication of Sutherland’s catalogue. oy
In 1706 Sutherland resigned the care of the Town’s Garden and the College Garden as well as his Professorship in the University, but, remaining King’s Botanist, he retained the care of the Royal Garden at Holyrood. Charles Preston (1660-1711) was appointed his successor by the Town Council, and there were thus established rival Gardens and rival Professors of Botany in Edinburgh. Charles Preston was succeeded in 1712 in his offices by his brother George Preston (1659-1749). Neither of the Prestons had ever the care of the Royal Garden.
Sutherland’s appointment as King’s Botanist, Keeper of the Royal Garden, and Regius Professor of Botany was held during the pleasure of the Sovereign, and on the death of Queen Anne in 1714 he was not continued in office by George I.
In 1715 William Arthur (1680-1716) received a com- mission as successor to Sutherland, but as he was implicated in an unsuccessful Jacobite plot to seize the Castle, he did not hold the office iong.
He was succeeded in 1716 by Charles Alston (1685-1760).
In 1724 the College Garden, having fallen into disorder, was turned to other uses; and in 1720, George Preston having re- tired, the Town Council appointed, as his successor in the charge of the Town’s Garden and as Professor of Botany in the Univers-
*
Historic Notice. Vili
ity, Charles Alston, who as King’s Botanist had already the charge of the Royal Garden and was Regius Professor of Botany. ‘Through him, after separation for a quarter of a century, the Royal Garden and the Town’s Garden were again combined under one Keeper, and the Regius Professorship of Botany and the University Professorship were similarly united. They have so continued to the present time.
In 1763, the Royal Garden and the Town’s Garden proving ‘too small and otherwise unsatisfactory, John Hope (1725-1786), who had succeeded Alston in his offices in 1761, proposed a transference of the two to a more congenial site in which they could be combined. At first it was intended to secure ground to the south of George Watson’s Hospital—the area upon which much of the present Royal Infirmary is built—but this not being possible, five acres of ground to the north side of Leith Walk, below the site now occupied by Haddington Place, were chosen. As Hope proposed to transfer the collections in the Royal Garden to the new Garden he was able to secure the support of the Treasury to his scheme, and the selected ground was leased in name of the Barons of Exchequer. At the same time the Town Council agreed to contribute £25 annually to the support of the Garden, the sum being the amount of rent expected from the letting of the old Town’s Garden. The plants from both Gardens were transferred to the ground at Leith Walk, and from this date there has been only one Botanic Garden in Edinburgh. The site thus secured for the Garden proved, however, only a temporary one.
Daniel Rutherford (1749-1819), who in 1786 succeeded Hope in his offices, cast about him for a spot in which more ground would be available for the extension of the Garden; and eventually in 1815 nine and a half acres of the land lying to the east of Holyrood Palace, and forming the ground of Belleville or Clockmill, was fixed upon as a site. This selection gave rise to controversy, which was prolonged, and Rutherford died before any arrangements for the transference of the Garden had been made.
Robert Graham (1786-1845), his successor, appointed iz 1820, preferred the more open site of the Inverleith property which the Garden now occupies, and fourteen acres of the Field
Vili Historic NOorIce.
or Park of Inverleith, known as Broompark or Quacaplesink, were purchased by the Barons of Exchequer from Mr James Rocheid, its owner, in 1820, the lease of the Leith Walk Ground being sold. By 1823 all the plants had been transferred to the new Garden.
In 1858, during the Keepership of John Hutton Balfour (1808-1884), who succeeded Graham in 1845, a further addition, | by purchase from the proprietor of Inverleith, of a narrow belt of two and a half acres was made to the Garden on the west side; and in 1865 the Caledonian Horticultural Society having resigned to the Crown its lease of the ten acres of adjoining ground which it had occupied since 1824 as an experimental Garden, this ground was also made part of the Botanic Garden. Finally the present area of the Garden was completed in 1876, when the Town Council purchased from the Fettes Trustees twenty-seven. and three-quarter acres of Inverleith property on the west side of the Garden and transferred it to the Crown for the purpose of making an Arboretum in connection with the Garden; the Crown at the same time purchased Inverleith House and two and a half acres of additional ground.
In 1879, Alexander Dickson (1836-1887) became Queen’s Botanist, Regius Keeper and Professor, and held these appoint- ments until his death in 1887. During his term of office the Arboretum was opened to the public.
He was succeeded by Sir Isaac Bayley Balfour (1853- Ve during whose term of office the Botanic Garden reached its present extended development as a centre of botanical and horti- cultural research and instruction. In the necessary re-arrange- ments the outstanding features have been the removal of the dividing wall between the Arboretum and the Botanic Garden, the laying out of the Arboretum according to the various genera of trees and shrubs, the formation of a noteworthy rock garden and the extension of a herbaceous border along the North side of the Garden. The plant-houses have in many cases been re-built and largely added to. Complete reorganisation of the laboratories and Garden offices with additional accommodation and equip- ment has permitted of the establishment of a botanical school which has attracted and continues to attract many research workers and students of Botany and Horticulture.
Regius Keepers (R.K.) from the date of Foundation of the Garden.
JAMES SUTHERLAND
WILLIAM ARTHUR
CHARLES ALSTON
JoHN Hope
DANIEL RUTHERFORD
ROBERT GRAHAM
JoHN Huron BALFour .
ALEXANDER DICKSON ~
Isaac BayiEy BALFour .
WILttiAM Wricnt SmitrH
Born 1639?
R.K. 12th January, 1699.* Not confirmed, 1714.
Died 24th June, 1719.
Born September, 1680. R.K. roth May, 1715. Died 1716.
Born. 24th October, 1685. R.K. 30th June, 1716. Died 22nd November, 1760. Born roth May, 1725.
R.K. 13th April, 176r. Died roth November, 1786. Born 3rd November, 1749. R.K. 2oth December, 1786. Died 15th December, 1819. Born 7th December, 1786. R.K. 31st January, 1820. Died 7th August, 1845. Born 15th September, 1808. R.K. 8th November, 1845. Retired, 1880.
Died 11th February. 1884. Born 21st February, 1836. R.K. 28th April, 1880. Died 30th December, 1887. Born 31st March, 1853.
R.K. 5th April, 1888.
Retired, 5th April, 1922. Born 2nd February, 1875. R.K. a2rst April, 1922.
* This is the date of a Royal Warrant from William ITT., and no earlier one en found.
has be
?
Principal Gardeners (P.G.) from the Year 1756.
(The names of those preceding Williamson are not yet known.)
JoHN WILLIAMSON : ie es, 1750s Died September, 1780. Matcotm M‘CoicG : . + P.G, 1st January, 1792? Died 25th February, 1780. RopeRtT MENZIES. ; «PA, TSE October, 1760, Died 22nd January, 1800. Joun Mackay Og : - Born 25th December, 1772.
P.G. February, 1800.
Died 14th April, 1802... GEoRGE Don... . . Born October, 1764?
P.G. 1st Octoer, 1802.
Resigned 31st December, 1806.
Died 15th January, 1814.
THOMAS SOMMERVILLE . ~ | BOrn T953¢
PS. 16077
Died 17th March, 181o. WittraM M‘NasB . ; - Born r2th August, 1780.
P.G. April 1810. Died 1st December, 1848. JAMES M‘NaB : - Born 25th April, 1810. P.G. 1st January, 1849. Died 19th November, 1878. JOHN SADLER . - : - Born 3rd February, 1837. P.G. 13th January, 1879. Died 9th December, 1882. ROBERT LINDSAY . ‘ - Born 7th May, 1846. P.G. 3rd March, 1883. Retired 31st March, 1896. Died 24th September, 1913. ApamM Dewar RICHARDSON . Born 12th September, 1857. P.G. rst April, 1896. | Resigned 31st May, 1902. Rosert LEwis Harrow - Born-26th March, 1867. P.G. 1st June, 1902.
Features of the Garden.
THe method through which the Garden was built up by sueces- sive additions resulted in an absence of combination between its several parts, in great measure a consequence of want of adequate funds to make the necessary alterations in the grounds. During the past thirty-two years, in which the Garden has been wholly under the administration of the Commissioners of H.M. Works, the bringing about of this combination has been in progress. The work is not yet completed, and the Plan of the Garden which is attached to this sketch shows the area of the Garden as it is laid out at this date—April 1922. Future editions will show further changes as the work of reconstruction proceeds. *
From its foundation the Botanic Garden has been devoted to the teaching of Botany, and its usefulness in this respect has determined the laying out of its area.
Herbaceous Garden,—A considerable space is occupied by a collection of herbaceous plants arranged for study in natural orders.
Rock Garden.—There is an extensive rockwork upon which alpine and rarer herbaceous plants are cultivated.
Arboretum.—The whole of the western area of the Garden is in process of arrangement as an Arboretum of trees and shrubs, and the positions of some of the chief genera are indicated on the plan. The Coniferze are now placed in the ground adjacent to the Rock Garden. rane
Herbaceous Border.—Along the North Boundary of the Arboretum a mixed Herbaceous Border has been placed.
The Plant-Houses are still in process of reconstruction. ’ So far as they have been rearranged at the present time they consist of a long range to the north of the herbaceous collection, composed of a Central Green-house (C), from the sides of which two Corridors run east and west. In the Entrance Porch (D) to the Central Green-house is a collection of Insectivorous Plants. From the Eastern Corridor two houses project to the south—one (A) occupied by plants of Dry Regions, the other (B) containing
me
xi FEATURES OF THE GARDEN.
Economic Plants of both Tropical and Temperate Regions. Ending the Corridor is a house (AA) occupied by Rhododendrons and other Temperate Shrubs and Trees; opening from it are houses (BB and CC) in which an indoor rockery has been built for Rock Plants which do not thrive in the open. To the south side of the Western Corridor are attached two houses—one (E) for Orchids and one(F) for Plants of Tropical and Warm Regions. The western end of the Corridor opens into a domed house (G) for Ferns of Tropical Regions which are planted out, and attached to it are two houses running southwards, one of which (H) occupied by Tropical Plants, and the other(I)is used for Heaths and Hardwooded Plants. From the northern wing of this domed house opens a house (J) devoted to monocotylous Plants of Tropi- cal and Warm Regions, specially Aroids, Scitaminez, Liliacee, and Amaryllidacee. Out of this opens the house (K) for Bromeliads; and in another house (L) opening from this are Pitcher Plants. Behind the western end of the Front Range there is a Temperate House (M) for Palms, Tree-Ferns, and Contferz, and a Palm-House (N).
Adjoining Inverleith Row is a group of buildings including the Museum (O), the Laboratories (P), the Lecture Hall (Q), the Library (R), and the Office (Y), for transaction of business with the public. ©
The Museum contains a series of exhibits illustrating the form and life-history of plants, and these are arranged so as to facilitate their use in teaching.
The Library contains over sixteen thousand volumes. ‘The leading botanical and horticultural periodicals are taken and may be consulted like the other books by the public. Books are not lent from the Library.
Herbarium.—In the southern portion of the Garden is the Herbarium (S). It contains a fair representation of the Floras of the world.
Ladies’ Cloak-Rooms are at (T) and (T). Gentlemen's Lavatories will be found at (V) and (V).
From the higher ground of the Arboretum—at the point marked (X) on the plan—a fine panoramic view of the City of Edinburgh, flanked on the east by Arthur’s Seat, and on the west by the Pentland Hills, is obtained.
Teaching in the Garden.
In the year 1892 the Board of Agriculture, then recently estab- lished in England, assigned a small grant to the Royal Botanic Garden towards the institution of a Course of Instruction in the Sciences underlying the Practice of Horticulture and Forestry for the benefit of young men and women desiring to become Gardeners and Foresters. The fact deserves record, because it marks the introduction in Scotland of a systematised effort to provide scientific instruction to practical men in Gardening and Forestry.
The Course of Instruction has been carried on since. The following schedule—copies of which may be obtained by applica- tion to the Regius Keeper—indicates the terms upon which young men and women are at present admitted to the Course :—
Admission of Probationers.
1. The First Commissioner of His Majesty’s Works is willing to consider applications from young men and women intending to become Gardeners or Foresters who may wish to serve for a period in the Royal Botanic Garden, Edinburgh.
2. The number of young men and women who can be so admitted is limited.
3. Such entrants will be in the position of Probationers, as a special class in the service of the Garden. Their work will be such as may be assigned to them, and they will work under all the regulations in force in the Garden.
4. Applicants must be unmarried and not over 25 years of age.
5. Each Applicant must furnish a medical certificate of fitness and a recommendation and certificate of character from a person of position to whom the Applicant is well known, and if the Applicant is or has been previously in a situation, a certificate from the present or last employer must be forwarded. Applicants who have had practical experience in Gardening or Forestry must state the amount of this and also if they have had experience of cultivation of plants under Glass.
6. Probationers will have the opportunity of attending a Course of Instruction in the Sciences underlying the practice and
X11 f
pics:
Xiv TEACHING IN THE GARDEN.
the principles of Horticulture and Forestry free of charge, and they must attend the course, and also use the Library and Reading Room of the Garden. The subjects of Instruction, which are arranged in a curriculum extending over from two and a half to three years, are :—Botany, Chemistry, Entomology, Geology, Meteorology, Physics, Surveying and Mensuration, Field Engineering, Bookkeeping, Horticulture, and Forestry, and these are taught practically as far as possible.
7. At the conclusion of the Course of Instruction the Pro- bationer will in ordinary course give place to a new entrant.
g. Any Probationer who does not show satisfactory progress in studies, or who does not give satisfaction otherwise, will be removed,
g. A grant in aid (subsistence allowance) will be given to each Probationer. The amount given to a Probationer at admission
will depend upon his or her age, experience and capacity. The
minimum will be at the rate of ten shillings a week, and the maximum at the rate of twenty-one shillings a week. In addition there is at this date (1922) a war-bonus. Probationers who receive at entrance less than the maximum may, after admission, receive increments in relation to fitness and merit alike in the work of the Garden and in the Course of Instruction.
10. Holiday leave to the amount in all of eight working days in the year, in addition to Christmas Day, New Year’s Day, Victoria Day, Spring and Autumn Holidays, is allowed after six months’ service. |
11. Probationers may be called upon to work on Sundays, and will receive remuneration for such work on a recognised scale.
12. Men Probationers will wear when at work a grey flannel shirt with turn-over collar of the same material, and a blue serge suit of clothes; in the Glass and Herbaceous Departments an apron after pattern at the Garden must be worn.
13. Applicants must distinctly understand that the times of duty of Probationers are such as may be necessary, that admission as a Probationer is only an ordinary weekly hiring subject to a week’s notice from any day, and subject to instant dismissal in case of misconduct, with subsistence allowance up to date of dis- missal only, and does not entitle to any superannuation or to any compassionate or other allowance at the termination thereof,
TEACHING IN THE GARDEN. XV
excepting such allowance or gratuity as might be awarded unccr the Superannuation Act, 1887 (Secs. 1 and 4), or any Act or Acts amending the same. Further, in the event of any injury happening to a Probationer in respect of which compensation would be payable under the Workmen’s Compensation Act, 1906, any such pay which may be granted will be inclusive of such compensation payable under the Act in question, and an amount equivalent to such compensation will be deducted from any pay- ment to dependants should the injury terminate fatally.
14. Young men or women desiring admission as Probationers must fill up, in their own handwriting, the form below, and return this paper addressed to
THE Recius KEEPER, Roya Botanic GARDEN, ; EDINBURGH.
15. Applicants will be informed if their names* have been entered for admission, and on a vacancy occurring will receive notice thereof. Should there be no vacancy within six months from the date of application, it must be renewed if the Applicant still desires to work as a Probationer in the Royal Botanic Garden. If not renewed, the applicant’s name will be removed from the waiting list.
16. The First Commissioner desires to impress upon appli- cants that he grants this privilege in the expectation that Pro- bationers will earnestly endeavour to make use of and profit by the opportunities of acquiring knowledge placed within their reach, and will recognise that it is incumbent upon them at the same time to perform with zeal the duties assigned to them.
Form to be filled up by Applicants for Admission as Pro- bationers in the Royal Botanic Garden, Edinburgh.
Name of Applicant
Address
Date of Birth
Birthplace
Forester or Gardener
Name and address of present (or last) employer Length of time in present situation
Xvi ‘TEACHING IN THE GARDEN.
Previous situations and length of time in each (Gardeners to state amount of their experience in cultivation of plants under Glass)
Signature of Applicant Date
Lectures to the Public.
The Regius Keeper from time to time gives lectures which are open to the public. -
Research.
The Laboratories are open to anyone, desirous of wunder- taking Botanical Research.
Specimens for Private Study.
Specimens for private study are supplied, as far as the resources of the Garden will permit, to visitors, teachers, and students who make written application to the Regius Keeper. Application forms may be obtained at the office of the Garden.
Plants and Seeds are not Sold from the Garden.
-Publications.
In 1900 appeared the first number of Notes from the Royal Botanic Garden, Edinburgh, for the purpose of publishing re- ports upon the condition and progress of the Garden, records of scientific investigations carried on in the Garden, and notices of matters of interest relating to plant-life which have come under the observation of the Staff. The Notes are available in exchange for publications of kindred institutions, and are on sale at the gates of the Garden and may be purchased either directly or through any Bookseller from H.M. Stationery Office (Scottish Branch), 23 Forth Street, Edinburgh. The parts are not issued at fixed periods. Thirteen volumes have been completed.
A short descriptive Sketch of the: Garden may be purchased at the gates.
A Seed List containing the names of the plants cultivated from which seeds have been collected during the year is published in December. The seeds are available for exchange.
Botanical Department of the University of Edinburgh.
DuRING nearly two centuries the offices of Regius Keeper of the Royal Botanic Garden and Professor of Botany in the University of Edinburgh have been held by the same person, and it has become the custom that the students of the University come to the Garden for instruction in Botany. The whole work of the Botanical Department of the University is carried out in the Garden by the University Staff, which at this date js constituted as follows :—
Professor of Botany . : William Wright Smith, M.A.>F.ly.S; FR S.2.
Assistant and Lecturer on Botany James Robert Matthews,
M.A‘; F.L,S.
Assistant and Lecturer on Forest James Lindsay Salmond
Botany . é ; i . ; Smith, M.A., B.Sc.
Assistant and Lecturer on Mycology Malcolm Wilson, D.Sc.,
Palawiy i menae.
Assistant and Lecturer on Plant Robert James Douglas
Physiology : : ; ; . Graham, M.A., D.Sc.
Assistant and Tutor in Botany ‘ ‘ : Vacant Lecturer on Indian Forest Trees Sir George Watt, C.LE.,
LL.D.
XVii
Enumeration of Visitors to the Royal Botanic Garden, Edinburgh, during the Years 1889-1921.
On the 1st of April 1889, the control of the Royal Botanic . Garden, Edinburgh, was vested in the Commissioners of His Majesty’s Works, and the Garden became subject to the “‘Act for the Regulation of the Royal Parks and Gardens, 1872.”
From the date specified the Garden has been opened to the
public on Sundays, and also for an extended period on Week-
days. The table below shows the number of visitors to the
Garden on Sundays and Week-days respectively during the
thirty-three years which have elapsed since the Garden was trans-
ferred to the Commissioners of His Majesty’s Works :—
f Total Total Large Sm: allest Total Hat See | ee Venr. if } 5 Namber Number Mosel oa | ie yr Bac ave ona eek 7 Year. Sundays. isc “Sunday. Days. a dongs a a ee e: | et | se #1889 ... | 368,219 | 187,457 | 13,035 | 129 | 180,762 | 3,834 | 50 1890... | 446,540 | 216,345 | 11,262 |, 91 230,195 | 5032 65 1891... | 454,083 | 220,543 | 9544 3 "233,540 | 3,228 76 1892 437,205 | 218,233 |. 13,581 149 218,972 | 2,666 | 43 1893 531,232 | 271, ; 5 | 256,330 |.3,197 ] 40 1894 948 | 268,793 | 13,515 68 } 258,155 | 3,153 | 28 1895 516,608 | 264,497 | 15,227 127° 52,02 | 5292 |. 26 407 | 296,576 | 13,517 | 527 | 279,831 | 3,825.| 30 1897 475,210 | 271,730 | 16,001 74. |. 203,480-| 5,153 |’ 20 1898 »289 8,449 | 12,840 123 184,790 | 3,234 39 1899 61,686 | 259,42 15,161 105 903 2634; 2758). 2 20 1g00 561,359 | 324,856 | 17, 268 | 236,503 |. 3,667 53 1901 86,461 | 339,229 | 19,256 258 } 247,232" | 4,62 ~45 1902 522,303 | 295,892 | 15,561 165 226,471 | 5,461 60 1903 6,184 | 355,310 3 135 | 250,874 | 4,202 41 1904 39,066 | 367,2 20,719:| 374 4. 271,776 |. 3,564 42 1905 584,546 | 330,995 | 19,859 | 100 | 253,551 | 2,708 | . 60 I 699,558 | 394,030 | 21,959 | 84 | 305,528 | 3,760} 44 1907 674,208 22,899 | 25,601 | 708 361,300") °3/905 40 908 585,171 | 342,106 | 20,549 | 570 | 243,065 | 2,898 39 1909 :.. | 683,243 | 394,861 | 24,334 165 [| 288,382 | 3,483 | 71 Ig1o 777,364 | 430,776 | 21,813 244° | 347,088 | 3,598 | 80 IgIt 708,943 20,16 22,765 82 288,78¢ 828 |, 66 1gI2 714,170 | 383,476 | 25,930 88 } 330,694 | 3,515 81 19i3 876,585 | 500,205 | 27,398 680 | 376,380 | 4,100 59 1914 776,280 | 414,518 | 25,521 106 61,702 | 5,337 62 1915 739, 442,179 | 21,155 125 4 288,582 | 3,82 55 1916 695,364-| 367,713 | 20,227 327,051 | 3,926 4t 1917 737,070 | 428,752 | 21,531 170 | 208,318 | 3,293 59 1918 727,782 | 320,450 | 20,811 236 407,232 | 3,911 39 1919 811,937 | 436,055 | 21,775 | 231 5,882 | 6,274 | 52 1920 ..} 644,856 | 399,398 | 19,340 481° | 245,458 | 3,777 84 192I ... | 702,482 418,832 | 20,892 707 283,649 | 4,027 48 Total for } _ Thirty- [20,223,679 | 11,263,975! «+= oe 5,959,704 three Years | oo in this year for nine months only. XViiL
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SEPTEMBER 1920.
CONTENTS PAGE Primula et Omphalogramma: Diagnoses Specierum Novarum. By Professor Bayley Balfour, FRS. . i
Rhododendron: Diagnoses Specierum Novarum. By Professor Bayley Balfour, F.R.S. : : : 25
EDINBURGH: PUBLISHED BY HIS MAJESTYS STATIONERY OFFICE.
SOLD AT THE GARDEN ee ae be parchase, either hoa or io any —— cer are : HLM. ST. ‘ : + Braxon oH), es:
Primula et Omphalogramma: Diagnoses Specierum Novarum.
BY
ProFEssorR BAYLEY BALFOUR, F.R.S.
THE fifty-five species named here are :—
Primula adenantha, Balf. f. et Cooper, p, 2. eens.
cx. 5 Niv s amabilis; Balf. f. et Forrest, p. 3. Nivalis-Pulchella, ‘i apoclita, Balf. f. et Forrest, p. 3. Muscari ie
: atricapilla, Balf. f. et Cooper, p. 4. Musca
- atuntzuensis, Balf. f. et Forrest, Nivalis-Pulchella,
Pp. 4. ve a Balf. f. et Forrest, Nivalis-Calliantha.
m bu ae a, Balf. f. et Ward, p. 5. eee i bryophila, Balf. f. et Farrer, p. 5. Nivalis-Calliantha. a see Balf. f. et Forrest, p. 6. Yunnanensis. a, Balf. f. et Forrest, p By Macrocarpa, crip Balt. 1. et Boies. Dryadifolia.
6.
p. ve chungensis, Balf. f. et Ward, p. 7. Candelabra. - cyanantha, Balf. f. oo Forrest, yp 7. Muscarioides 8.
i cyanocephala, Balf. f., p. Denticulata.
Ra cycliophylla, Balf. f. “ Farrer,p.g. Dryadifolia.
a declinis, Balf. f. et Forrest, p. 9, Nivalis-Maximowiczii. se decurva, Balf. f. et Forrest, Pp. 9. Nivalis-Maximowiczii. ap densa, Balf. £2-prg: Obconico-Listeri.
- firmipes, Balf. ‘f. . — p. Io. Sikkimensis.
» flexilipes, Balf. f. e est, p. er ikkimensis.
ss humicola, Balf. f. . gt seid p.t Geranioides. s hymenophylla, Balf. f. et Peet Cortusoides.
gees T Balf. f. et Forrest, p. Nivalis-Calhantha.
a hincliepansls Balf. f. et ela, Nivalis-Calliantha. p.
oi Balf. f. et Forrest, p. 1 Muscarioides.
= leucantha, Balf. f. et Forrest, ‘4 12. andelabra.
» limbata, Balf. f. et Forrest, p. 13. Nivalis-vera.
= ia rae Balf. f. et Poceae Yunnanensis.
. seattin: Ball, f. et Cooper, p. 13. Muscarioides.
». Micropetala, Balf. f. et Cooper, Muscarioides. p. 14.
[Notes, R.B.G., Edin., No. LXI, September 1920,] ‘
Wt. Srcten ca ieeeee &Co., Ltd. Gp. 10.
2 BALFOUR—PRIMULA ET OMPHALOGRAMMA : Primula ss ay la Balf. f. et Forrest, Dryadifolia.
I4. - ee Balf. f. et Forrest, p. 15. Bella. as pectibats. Balf. f. et Forrest, p.15. Soulie = petraea, Balf. f. et Forrest, p. 16. Nivalis-Pulchella. proba, Balf. f. et Forrest, p. 16. Nivalis-Calliantha. » propinqua, Balf.f. et Forrest, p. 16. Nivalis-Calliantha. ss pygmaeorum, Balf. f.et W.W.Sm., Auriculata
ae a & » Yigida, Balf. f. et Forrest, p. 17. ie gee a » Tusseola, Balf. f. et Forrest, p.-17. Nivalis- . So Balf. f. et Farrer, Bioeth
me shwaltcationtha Balf. f. et Forrest, Nivalis-Calliantha.
J sikuens nsis, Balf. f t Farrer, p. 18. Cortusoides. a sinodenticulata, Balf f. et Forest Denticulata.
= sinonivalis, Balf. f. et te >. 20. Nivalis-vera.
sc sinoplantaginea, Balf- Nivalis-vera. », Sinopurpurea, Balf. f., D. a . Nivalis-vera. » Stragulata, Balf. f. et Forrest, p. 20. a. ; » tribola, Balf. f. et Forrest, p. 21 ‘Nivalis-Calliantha. rs triloba, f. f. et Forrest, a
oe gerne Balt -£. et Forrest, Muscarioides.
umb ratilis, Balf. f, et ere p.22. Muscarioides. Omphalogramma Coxii, Balf. f., —
Farreri, Balf. f. 23.
- Forrestii: Balf. i. Pp. 23.
‘99 Primula adenantha, Balf. f. et Cooper.
Parva rosulata foliis floribusque coaetaneis. Folia petiolata ad 6.5 cm. longa; lamina Papyracea oblongo-ovalis ad 4 cm. longa 1.4 cm. lata, obtusa, margine irregulariter dentata dentibus acutis minute ciliatis, basim versus attenuata : utrinque con-
- color subrugulosa pilis articulatis dense vestita, subtus costa media et venis primariis hirsutis ; petiolus circ. 2 cm. longus anguste alatus dense hirsutus. Scapus strictus erectus ad 20 cm. altus pubescens efarinosus capitulum florum sessilium nutantium sere ae gerens ; bracteae inferiores ee acutae saepe
lobi inaequales nadie tas Corolla tubulosa caerulea circ. I.4 cm. longa extus glanduloso-puberula ; tubus circ. 9 mm. soe vel in flore longistylo brevior ; limbus infundibuliformis
uS sparsissime glanduloso-puberulus : lobi circ. 3 mm. longi ae rotundati vel ovales paullo emarginati. Stamina in
DIAGNOSES SPECIERUM NOVARUM. 3
= ee paullo exserta, in brevistylo infra medium tubi rollini inserta. Ovarium globosum operculo crustaceo coro- actu ; sift longus exsertus, brevis calycem subaequans ; stigma discoideum. Capsula ovoidea e calyce_persistente exserta, valvis 5 angustis dehiscens; placenta ovoidea fere sessilis. Species Sectionis Muscarioidis. Bhutan. Singshi Timpu. Cooper. 1601. 2oth July rgr4.
\>" Primula Agleniana, Balf. f. et Forrest.
\ By WY)
a5
_
Planta magnifica bulbosa ad 3 dm. alta. Folia ad 20 cm. longa (petiolo incluso) ; lamina lanceolata acuta deorsum in petiolum fere duplo longiorem attenuata grosse dentato-crenulata nunc subincisa subtus lacteo-farinosa. Scapus ad 3-florus leviter lacteo-farinosus ; bracteae circ. 1 cm. longae ; pedicelli nutantes ad 3.5 cm. longi. Calyx pallide- viridis foliaceus utrinque lacteo-farinosus. Corollae limbus flavidus aurantiaco-oculatus ad 4 cm. diam. extus plus minusve farinosus. Species ex affinitate P. callianthae, Franch.
S.E. Tibet. Tsarong ; Salween—Kiu-chiang divide, Forrest. 18,875. July Ig19.
Primula amabilis, Balf. f. et Forrest.
Nana albido-farinosa caespitosa ad 6 cm. alta. Folia lineari-spathulata longe petiolata; lamina ad 2 cm. longa 4 mm. lata grosse dentata. Scapus rarius foliis longior umbellam 2-4- floram gerens; bracteae a basi lata subulatae atropurpureae pedicellos ad 4 mm. longos superantes. Calyx atropurpureus ad medium fissus; lobi ad 7 mm. longi acuti tubum corollinum
’ fere aequantes. Corolla saturate purpurea griseo-oculata.
Capsula ad 1 cm. longa pedicello ad 2 cm. aucto. Sectionis Nivalis P. petvaeae, Balf. f. et Forrest, affinis.
S.E. Tibet. Tsarong ; Salween—Kiu-chiang divide. Forrest. 18,897. June IgI9Q.
Primula apoclita, Balf. f. et Forrest. | Rosulata foliis horibusque coaetaneis, perulis paucis vel nullis sub anthesi persistentibus. Folia papyracea circ. 5 cm. longa oblongo-spathulata in petiolum alatum pilosum attenuata ; lamina circ. 1.5 cm. lata oblonga vel ovalis apice rotundata margine regulariter dentato-serrata plus minusve ciliata ; supra pallide viridis pilis brevibus albidis conspersa; subtus glabra laevis ad venas pilosa. Scapus tenuis ad 16 cm. longus plus minusve flavido-farinosus deorsum glabrescens spicam florum sessilium patentium fragrantium parvam gerens; _ bracteae occultae lineari-lanceolatae vel lanceolatae acuminatae farinosae et glanduloso-ciliatae. Calyx cupularis circ. 3 mm. longus
ye
4X
—
4 BALFOUR—PRIMULA ET OMPHALOGRAMMA :
flavido-farinosus ad medium in lobos inaequales fissus. Corolla saturate purpureo-caerulea tubulosa ; tubus circ. 1.4 cm. longus extus pilis farinipotentibus conspersus intus glaber rugulosus ; limbus concavus circ. 4 mm. longus intus farina conspersus ; lobi ovales vel obovales circ. 2.5 mm. longi minutissime retusi. Stamina floris brevistyli ad os tubi corollini inserta, longistyli basim tubi corollini versus calycem aequantia ; filamenta brevis- sima ; antherae flavae circ. .75 mm. longae. Ovarium globosum operculo crustaceo lobulato coronatum; stylus brevis calyce dimidio brevior, longus tubo corollino brevior; stigma latum discoideum. Species Sectionis Muscarioidis.
S.E..- Tibet. TEs: Ka-gwr-pw. Forrest. 14,201. July 1917.
Primula atricapilla, Balf. f. et Cooper.
Rosulata foliis floribusque coaetaneis basi alabastri perulis cincta. Folia petiolata ad 5 cm. longa; lamina papyracea oblongo-ovalis 2-3 cm. longa, 1 cm. lata, obtusa vel apice rotundata, margine subrecurva breviter crenulato-dentata vel suberosa glanduloso-ciliata, basi in petiolum aequilongum vel paullo breviorem attenuata, efarinosa; utrinque opaca fere concolor pilis glandulosis subscabriuscula ; subtus costa media dense pilosa; petiolus glanduloso-pilosus. Scapus ad 12 cm. longus (sub fructu auctus) breviter glanduloso-puberulus efari- nosus capitulum atricapillatum florum deflexorum gerens; bracteae inferiores ligulatae obtusae deflexae, superiores atro- purpureae erectae. Calyx cupularis subventricosus deflexus circ. 5 cm. longus ad medium vel ultra 5-lobatus ; lobi inaequales (posteriore maximo elliptico truncato denticulato) glanduloso- ciliati utrinque sparsim glanduloso-pilosi saepe farinosi. Corolla caerulea circ. 1.3 cm. longa; tubus cylindricus subangulatus in flore brevistylo circ. 9 mm. longus extus glaber in longistylo circ.
ongus ; limbus infundibuliformis circ. 4 mm. longus intus sparsim glanduloso-puberulus; _lobi erecto-patentes imbricati cuneati emarginati segmentis integris. Stamina in flore longistylo ad faucem corollinam inserta, in brevistylo ad medium tubi. Ovarium globosum ; stylus longus corollae tubum subaequans, brevis calyce paullo longior; stigma discoideum depressum. Species Sectionis Muscarioidis.
Tibet. Philé-la. Cooper. 1771. 23rd July rgrq. Primula atuntzuensis, Balf. f. et Forrest.
Parva luteo-farinosa ad 7 cm. alta. Folia ad 4 cm. longa ; lamina anguste rum ad 6 mm. lata acutiuscula in petiolum
discretum aequilongum angustata dentato-crenulata. Scapus foliis duplo longior Bie tt 2-3-floram gerens; bracteae
“ cua J
DIAGNOSES SPECIERUM NOVARUM, 5
purpureae a basi lata lanceolatae pedicellos aequantes vel subaequantes ; pedicellicirc.6cm. longi. Calyx atropurpureus ; lobi oblongi acuti. Corollae purpureo-cyaneae tubus calycem duplo superans. Capsula circ. I cm. longa 2.5 mm. diam. pedicellis ad I cm. auctis. Species Sectionis Nivalis ex affinitate P. petraeae, Balf. f. et Forrest.
Western N.W. Yunnan. Mts. north of Atuntzu. Forrest. 13,986. June I9gI7.
Primula boreio-calliantha, Balf. f. et Forrest.
Lacteo-farinosa. Foliorum lamina lanceolata apice attenuata regulariter et minute crenulata. Scapus crassus folia dimidio superans umbellam secundam 2-3-floram gerens. Calyx circ. ad medium fissus; lobi ovati. Corollae limbus imbricatus. Species Sectionis Nivalis ex phylo P. callianthae, Franch.
Eastern N.W. Yunnan. Mts. of Chungtien plateau. Forrest. 12,571. June 1914.
Primula burmanica, Balf. f. et Ward.
Robusta paludicola. Folia oblanceolata ad 30 cm. longa 5 cm. lata apice rotundata eroso-dentata deorsum in petiolum longum alatum attenuata plus minusve rugulosa efarinosa sed pilis farinipotentibus conspersa. Scapus crassus ad 60 cm. altus pilis farinipotentibus puberulus umbellam terminalem ad 16-floram et verticillos ad 6 inter se distantes gerens; bracteae virides lineari-subulatae pedicellos recurvos ad 2 cm. longos puberulos superantes. Calyx viridis circ. 1.2 cm. longus intus albo-farinosus extus glanduloso-puberulus; lobi acuminati subulati. Corollae rubro-purpureae aurantiaco-oculatae tubus calycem superans annulatus ; limbus circ. 1.4 cm. longus planus, lobi obcordati integri vel crenulati emarginati. Species P. mallophylio, Balf. {. Sectionis Candelabrae valde affinis. . Upper Burma. Below Feng-shui-ling. F. Kingdon Ward. 1634. 5th June 1914.
\4\v Primula bryophila, Balf. f. et Farrer.
Luteo-farinosa rosulata. Rhizoma parvum sub anthesi ad collum squamis alabastri vestitum. Folia subligulata ad 15 cm. longa acuta deorsum in petiolum alatum vaginatum vix discretum attenuata margine recurva subtus dense luteo-farinosa. Scapus tenuis circ. 8 cm. longus glaber umbellam 2-3-floram gerens ; bracteae parvae ovatae membranaceae glabrae; pedicelli fili- formes glabri divergentes. Calyx cupulari-campanulatus circ. 6 mm. longus ultra medium 5-lobatus tubo angulato sinubus inter lobos dense luteofarinosis exceptis; lobi lanceolati circ. 4 mm. longi. Corollae plus minusve purpureae tubus
\Cu\
\\o'
(ud
6 BALFOUR—PRIMULA ET OMPHALOGRAMMA }
infundibuliformis annulatus intus puberulus extus glaber ; limbi discus puberulus, lobi subcuneati aperti circ. 6.5 mm. longi. Stamina in flore longistylo supra medium tubi corollini inserta calycem excedentia. Ovarium ovoideum ; stylus longus corollae tubum aequans. Species Sectionis Nivalis ex phylo P. callian- thae, Franch.
N.E. Upper Burma. Hpimaw Pass. Farrer and Cox. 880. 6th May rIg19.
Primula calcicola, Balf. f. et Forrest.
Caespitosa parva calcicola luteo-farinosa foliis praeteritis sub rosula dense vestita. Folia petiolata tenuia ovali-spathulata ad 3 cm. longa 6 mm. lata rotundato-obtusa minute denticulata deorsum in petiolum lamina longiorem attenuata ; supra laete viridia ; subtus luteo-farinosa. Scapus fragilis filiformis folia paullo superans uniflorus apicem versus bracteas duas minutas inaequales gerens ; pedicelli circ. 4 mm. longi. Calyx viridis 5-nervius ad medium fissus; lobi a basi lanceolati sub- ‘acuminati semipatentes utrinque luteo-farinosi. Corolla roseo- purpurea? circ. 1.5 cm. longa. Species Sectionis Yunnanensis.
S.W. Szechwan. Mu-li. Forrest. 16,820. Aug. 1918.
Primula carnosula, Balf. f. et Forrest.
Parva epilosa rosulata. Folia carnosula erecta petiolato- spathulata ad 5 cm. longa regione laminari nunc orbiculari nunc ovali nunc rhomboidea integra vel minute dentata vel crenulata laete viridi subtus pallidiore utrinque obscure pulverulenta. Scapus validus ad 9 cm. longus pulverulentus superne leviter albo-farinosus umbellam 3-5-floram flore fragrante gerens ; bracteae lanceolatae basi incrassatae ad 7 mm. longae pedi- cellos albo-farinosos superantes intus albo-farinosae. Calyx purpureus pulverulentus intus albo-farinosus ad medium fissus ; lobi obtusi. Corollae ad 1.5 cm. longae tubus flavidus exan- nulatus calycem fere duplo superans ; limbus ad 6 mm. longus intense purpureo-lilacinus ; lobi bilobulati. Genitalia longiora ad ostubicorollini. Species ex affinitate P. gemmiferae, Batalin.
..W. Yunnan. On the Bei-ma-shan. Forrest. 14,030. June 1917.
Primula chrysophylla, Balf. f. et Forrest.
Pulvinata semperviridis circ. 7 cm. alta ; rami plurimi tenues basi radicantes e radicis vertice radiantes foliis scapisque praeteri- tis siccis dense obtecti. Folia petiolata ad 4 cm. longa saepius minora ; ina coriacea ovalis vel ovata vel oblongo-ovata vel elliptica nunc rotundata vel cordata ad 2 cm. longa 1.3 cm. lata
margine recurvata crenulata vel undulata, basi abrupte contracta;
DIAGNOSES SPECIERUM NOVARUM. 7
supra opaca viridis glandulis farinipotentibus conspersa ; subtus dense aureo-farinosa ; petiolus late alatus 2-4 mm. latus laminam aequans nunc ea longior vel brevior. Scapus terminalis sed lateraliter translatus aureo-farinosus ad 7 cm. longus infra in- florescentiam capituliformem 3-floram arcuatus; bracteae fer- tiles involucratae atropurpureae aureo- farinosae, extimae tri- lobulatae. Flores secundi. Calyx campanulatus tubum corollinum fere aequans ad medium fissus plus minusve aureo- farinosus. Corolla saturate purpureo-rosea flavido-oculata ; tubus intus rugulosus in flore longistylo circ. 3 mm. longus; limbus concavus ; lobi cuneati circ. 8 mm. longi bifidi. Stamina in flore longistylo infra medium tubi corollini inserta, in flore brevistylo supra medium. Ovarium globosum operculatum ; stylus longus calycem fere aequans. Capsula calyce paullo aucto inclusa. Species Sectionis Dryadifoliae. S.W. Szechwan. Mu-liMts. Forrest. 16,594. Aug. 1914.
Primula chungensis, Balf. f. et Ward.
Rhizoma parvum. Folia petiolata sub anthesi circ. 8 cm. longa plus minusve erecta ; lamina oblongo-ovalis ad 3 cm. lata late crenulata deorsum in petiolum late alatum breviorem attenuata efarinosa sed pilis farinipotentibus conspersa. Scapus robustus ad 48 cm. longus umbellam terminalem 4-8-floram et verticillos ad 4 inter se distantes gerens ad nodos albo-farinosus. Flos fragrans ; bracteae breves albo-farinosae ; pedicelli circ. I cm. longi sub fructu aucti. Calyx campanulatus circ. 5 mm. longus plerumque efarinosus. Corollae aureae tubus annulatus circ. 1.3 cm. longus; lobi aperti circ. 6 mm. longi obcordati. Species Sectionis Candelabrae forsan ad P. Cockburnianam, Hemsl. spectans.
N.W. Yunnan. Chung Valley. Sha-ka-la. F. K. Ward. 259. May 1913.
,» Primula cyanantha, Balf. f. et Forrest.
Rosulata foliis floribusque coaetaneis. Folia petiolata sub anthesi ad 14 cm. longa; lamina papyracea oblongo-ovalis ad 12 cm. longa 5 cm. lata, apice rotundata et cum margine in- aequaliter dentato vel crenato vel dentato-lobulato ciliata, basi in petiolum alatum circ. 2 cm. longum attenuata ; supra pallide viridis pilis paucis articulatis conspersa ; subtus glauca laevis pilis mollibus paucis praedita, costa media venisque primariis hirsutis. Scapus ad 30 cm. longus validus plus minusve luteo-
_farinosus spicam saepe 3 cm. longam multifloram (floribus
sessilibus deflexis fragrantibus) crista apicali florum juvenilium et bractearum purpurearum coronatam geTens ; bracteae inferiores deflexae lineari-l virides ; antho-
708
8 BALFOUR—PRIMULA ET OMPHALOGRAMMA :
podium nullum. Calyx cupularis ventricosus luteo-farinosus circ. 5 mm. longus, ultra medium 5-lobatus; lobi inaequales glanduloso-ciliati. Corolla intense cyanea tubulosa circ. 1.4 cm. longa, extus sparsim luteo-farinosa, intra tubum glabra ; limbus infundibularis intus farinosus ; lobi circ. 2 mm. longi obovati vel subquadrati paullo emarginati. Stamina in flore brevistylo ad faucem tubi corollini inserta antheris tubo brevioribus, in flore longistylo infra medium tubi inserta calyce breviora. Ovarium globosum operculo coronatum ; stylus brevis basim antherarum attingens, longus corollae tubo dimidio brevior ; stigma latum discoideum. Species speciosa Sectionis Mus- carioidis.
S.E. Tibet. Tsarong. Ka-gwr-pw. Forrest. 14,366. July IQI7.
Primula cyanocephala, Balf. f.
Epilosa floribus praecocibus. Folia rosulata alabastri Squamis rufis coriaceis circumcincta sub anthesi ad 10 cm. longa ad 2.5 cm. lata membranacea oblongo-obovata vel suboblanceolata obtusa Margine sinuata obscure denticulata deorsum in petiolum late alatum attenuata, juvenilia utrinque plus minusve pubescentia, adulta supra glabrescentia venis primariis a costa media lata brunnea prominula fere patulim excurrentibus, Scapus robustus ad 20 cm. altus glaber apicem versus dense albo-farinosus umbellam globosam dense multifloram gerens ; bracteae mem- branaceae plus minusve albo-farinosae exteriores ovato-oblongae caudatae 7 mm. longae basi ampliatae pedicellos cucullatim circumvaginantes fere auriculatae infra gibbosae ; pedicelli ad 5 mm. longi bracteis breviores validi plus minusve farinosi. Calyx membranaceus plus minusve farinosus 1 cm. longus breviter campanulatus ultra medium fissus ; lobi lineari-ligulati obtusi hydathodo apicali inconspicuo. Corollae limbus intense purpureus luteo-oculatus; tubus erubescens cylindricus supra paullo ampliatus, extus plus minusve farinosus, intus supra Stamina tenuiter transverse rugosus exannulatus ; lobi ex parte integra limbi (vix 1 mm. lata) orientes ad 7 mm. longi 7 mm. lati obovati profunde bipartiti. Floris brevistyli stamina infra os tubi corollini inserta antherarum apicibus ab ore 2 mm.
ore 6 mm. remotis. satum; stylus longus tenuis ruber calyce longior corolla triente brevior; brevis vix calycis tubum aequans ruber; stigma Magnum cylindricum lobulatum. Species speciosa ex phylo P. denticulatae, Sm.
E. Yunnan. Tong Tchouan. Maire. April.
aS \ +7) 2
(Hl
DIAGNOSES SPECIERUM NOVARUM. 9
Primula cycliophylia, Balf. f. et Farrer.
Caespitosa flavido-farinosa ramis prostratis patentibus brevi- bus. Folia circ. 1.5cm.longa; lamina orbicularis petiolum paullo superans. Scapus tenuis circ. 2 cm. longus 2-florus floribus subsecundis parvis vix 1.5 cm. diam.; corolla pallide roseo- kermesina. Species Sectionis Dryadifoliae.
N.E. Burma. Chimili Alps. Farrerand Cox. 1183. Aug. IOI.
’ Primula declinis, Balf. f. et Forrest.
Robusta et florosa. Folia ad 20 cm. longa; lamina lanceo- lata tenuiter dentato-crenulata in petiolum aequilongum rubrum sulcatum attenuata subtus albida. Scapus robustus folia saepe duplo superans umbellam ad 20-floram nunc verticillum inferum gerens; bracteae e basi lata lineari-subulatae involucrantes ; pedicelli ad 2 cm. longi sub fructu ad 6 cm. Calyx viridi- angulatus vix ad trientem fissus; lobi ovati eglandulosi. Corollae tubus calycem fere triente superans. Genitalia longa fere exserta, brevia calycis tubo breviora. Species BP. decurvae, Balf. f. et Forrest, P. reflexae, Petitm., P. szechuanicae, Pax, affinis.
S.W. Szechwan. Mu-li Mts., valley of the Litang. Forrest. 16,290. June 1918.
Primula decurva, Balf. f. et Forrest.
Robusta. Folia papyracea ad 12 cm. longa; lamina ovalis vel oblongo-ovalis 2—3 cm. lata dentato-crenulata in petiolum aequilongum attenuata; subtus pallide grisea. Scapus foliis duplo longior umbellam ad 8-floram gerens; bracteae ovatae longe acuminatae pedicellos superantes ; pedicelli raro I cm. longi. Calyx pallide viridis ; lobi lanceolato-acuti glanduloso- ciliati. Corollae lacteae tubus calycem triente vel quadrante superans ; lobi ad 4 mm. lati integri vel emarginati. Species ex phylo P. szechuanicae, a P. orbicularis, Hemsl., P. reflexae, Petitm.
Eastern N.W. Yunnan. Mts. of the Chungtien plateau. Forrest. 12,551. June 1914.
» Primula densa, Ball. f.
Species parva pulvinata. Folia petiolata ad 3.5 cm. longa ; lamina cordato-ovata obtusa ad 2 cm. lata crenulato-lobata ; supra rugosa glandulosa; subtus venae pilosae; petiolus hirsutus. Scapus ad 6 cm. altus glandulosus et sparsim pilosus ; umbella solitaria ad 6-flora; bracteae virides oblongae pedicellis breviores glandulosae ; pedicelli validi ad 1 cm. longi glandulosi. Calyx apertus campanulatus vix ad medium 5-lobus; lobi ovati.
‘<
5?
°
Waal
Io BALFOUR—PRIMULA ET OMPHALOGRAMMA :
Corolla roseo-suffusa luteo-oculata annulata; tubus calycem dimidio superans ; limbus 1.5 cm. diam.; lobi obovati emar- ginati. Stylus longus ad oscorollae attingens. Species Sectionis Obconico-Listeri.
N.E. Upper Burma. Ward. 3536.
' Primula firmipes, Balf. f. et Forrest.
Luteoflora ubique pilis brevibus farini-potentibus sparsim obtecta. Folia longe petiolata ad 16 cm. longa; lamina papyracea ovata vel elliptica ad 5 cm. longa 2.5 cm. lata cordata crenulato-serrata; subtus glauca. Scapus rigidus ad 16 cm. longus umbellam 4-5-floram floribus fragrantibus gerens ; bracteae vix I cm. longae subfoliaceae virides cucullatae denticulatae ; pedicelli stricti erecti ad 3.5 cm. longi. Calyx ad 7 mm. longus angulatus intus flavido-farinosus ad medium fissus ; lobi erecti a basi lanceolati apice tuberculati. Corolla circ. 2.5 cm. longa ; tubus infundibuliformis in limbum concavum farinosum ampliatus exannulatus; lobi suberecti obovati. Genitalia longiora calycem superantia. Seminalaevia. Species ad Sectionem Sikkimensem forsan referenda. -
S.E. Tibet. Tsarong. Salween—Kiu-chiang divide. Forrest. 18,899. July roto.
Primula flexilipes, Balf. f. et Forrest.
_Luteoflora. Folia longe petiolata ad 18 cm. longa; lamina papyracea ovalis vel oblongo-ovalis nunc subrotundata ad 6 cm. longa 3 cm. lata cordata grosse crenulata; utrinque viridis et pilis farini-potentibus obtecta. Scapus subtenuis ad 36 cm. longus superne flavido-farinosus; umbella ad 8-flora floribus nutantibus fragrantibus ; bracteae virides oblongae acuminatae vel apiculatae subdenticulatae circ. 1.2 cm. longae; pedicelli filiformes flexiles farinosi ad 2.5 cm. longi. Calyx circ. 5 mm. longus farinosus angulatus ad medium fissus; lobi lanceolati acuti recurvi. Corollae circ. 2 cm. longae tubus infundibuli- formis extus farinosus in limbum concavum intus farinosum ampliatus exannulatus; lobi suberecti obovati. Genitalia longiora calycem superantia. Species in Sectionem Sikkimensem pertinens et ad P. firmipedem arcte accedens.
S.E. Tibet. Tsarong. Salween—Kiu-chiang divide. Forrest. 18,874. July 1910.
Primula humicola, Balf. f. et Forrest.
Tenuis humicola stolonifera, stolonibus inter muscos laxos late patentibus. Folia petiolata ad 16 cm. longa 1-2 a quaque gemma exeuntia ; lamina cordato-palmatifida 7-loba circ. 6-7 cm. diam. lobis acutis irregulariter dentatis; utrinque plus
\Yoo
DIAGNOSES SPECIERUM NOVARUM. b 8S
minusve molliter pilosa ; petiolus villosus. Scapus folia breviter superans plus minusve pilosus; umbella solitaria 2—4-flora ; bracteae lanceolatae acuminatae ; pedicelli filiformes pubescentes ad 1.3cm.longi. Calyx cum tubo corollae glandulis minutissimis conspersus subpatens rubro-tinctus circ. 7 mm. longus ad medium fissus ; lobi lanceolati. Corollae roseae exannulatae circ. 2 cm. longae tubus calycem duplo superans ; lobiobcordati. Genitalia longiora ad os corollae attingentia. In Sectione Geranioide juxta P. alsophilam, Balf. f. et Farrer ponenda.
S.E. Tibet. Tsarong. Ka-gwr-pw. Forrest. 14,236. July IQr7.
Primula hymenophylla, Balf. f. et Forrest.
Humicola. Folia longe petiolata erecta ad 16 cm. longa ; lamina membranacea cordato-orbicularis vel elliptica ad 7 cm. diam. profunde 11-loba lobis obtusis 2—3-dentatis dentibus vix apiculatis ; utrinque concolor glandulis conspersa et pilis praecipue ad venas induta; petiolus plus minusve villosus. Scapus ad 28 cm. altus sparsim pubescens ; umbella ad 5-flora ; bracteae lanceolatae ; pedicelli sub anthesi stricti pubescentes ad 2 cm. longi bracteas multo superantes. Calyx campanulatus costatus glandulosus puberulus ad medium vel ultra fissus ; lobi a basi lanceolati. Corollae ad 2 cm. longae purpureae tubus annulatus extus puberulus. Genitalia longiora ad os corollae. Species ex affinitate P. lichiangensts, G. Forrest.
S.E. Tibet. Tsarong. Doker-la. Forrest. 16,794. July 1918.
Primula junior, Balf. f. et Forrest.
Parva leviter griseo-farinosa. Foliorum lamina ovalis vel obovalis sub anthesi ad 4 cm. longa 1.5 cm. lata apice rotundata dentato-crenulata. Scapus tenuis brevis ad 10 cm. longus folia superans subtiliter farinosus umbellam bifloram erectam vel subnutantem gerens; bracteae lineari-acuminatae pedicellos aequantes ; pedicelli vix 5 mm. longi. Calyx vix I cm. longus ad medium fissus; lobi acuminati. Corollae tubus calycem duplo superans ; stylus longus ad annulum conspicuum attingens. Stamina longiora ad os corollae inserta. Species inter formas P. callianthae, Franch. proximas in Sectione Nivali ponenda.
Yunnan. Forrest. 14,22
Primula kiuchiangensis, Balf. f. et Forrest.
Luteo-farinosa ad 17 cm. alta. Folia ad 6 cm. longa; lamina ovalis vel oblonga ad 1.8 cm. lata obtusa vel apice rotundata dentato-crenata in petiolum alatum vix discretum
attenuata. Scapus validus ad 9 cm. longus umbellam ad §-floram gerens; bracteae a basi lata subulatae vix 6 mm
12 BALFOUR—-PRIMULA ET OMPHALOGRAMMA :
longae pedicellos aequantes. Calyx viridis ad medium fissus ; lobi acuti ad x cm. longi. Corollae pallide purpureo-cyaneae ad 2.5 cm. longae tubus calycem multo excedens. Genitalia longiora ad annulum attingentia. Capsula 1.3 cm. longa 2.5 mm. diam. pedicellis ad 2 cm. auctis. Species Sectionis Nivalis ex affinitate P. petraeae, Balf. f. et Forrest.
S.E. Tibet. Tsarong. Salween—Kiu-chiang divide. Forrest. 18,898. June-July 1919.
\255 Primula lepta, Balf. f. et Forrest.
‘ard
Parva delicata rosulata foliis floribusque coaetaneis sub anthesi basi perulis alabastri cincta. Folia tenuia papyracea plerumque oblanceolata in petiolum alatum gradatim attenuata, nunc parte laminari distincta oblongo-ovali vel oblonga breviter et cuneatim in petiolum angustata, ad 4.5 cm. longa I cm. lata plerumque minor, apice rotundata vel obtusa, margine crenato-dentata ciliata ; supra pallide viridis breviter pubescens ; subtus glauca laevis subnitida plus minusve hirsuta; petiolus lamina dimidio brevior sed saepe longior, éiliatus. Scapus fragilis ad 9 cm. longus plerumque minor, plus minusve luteo- farinosus, capitulum parvum purpureo-coronatum florum de- flexorum gerens ; bracteae inferiores lineari-lanceolatae acutae virides (in juventute purpureae) calyce paullo longiores, ciliatae. Calyx campanulatus circ. 3 mm. longus intus dense luteo-farinosus, extus glandulis farini-potentibus conspersus, ad medium vel ultra 5-lobatus ; lobi inaequales. Corolla intense purpureo-cyanea circ. 1 cm. longa tubulosa supra in limbum concavum intus farinosum expansa; lobi rotundati circ. 2 mm. longi obscure retusi vel denticulati. Stamina in flore brevistylo ad faucem tubi corollini inserta, in longistylo basim versus inserta; filamenta simulac antherae purpurea. Ovarium globosum operculo crustaceo coronatum ; stylus brevis calyce multo brevior, longus tubum corollinum aequans ; stigma latum discoideum. Species Sectionis Muscarioidis.
_Eastern N.W. Yunnan. Mts. N.E. of Chung-tien. Forrest. 16,475. July 1918. Primula leucantha, Balf. {. et Forrest.
Pulchra albiflora albo-farinosa. Folia lanceolata vel oblongo- ovalia ad 20 cm. longa 3.5 cm. lata obtusa undulata et dentibus hydathodalibus minutis marginata deorsum in petiolum alatum haud discretum attenuata; utrinque concoloria pilis farini- potentibus conspersa. Scapus robustus ad 38 cm. longus obscure pulverulentus ad apicem albo-farinosus umbellam pluri- floram et verticillos inter se remotos gerens ; bracteae filiformes ; pedicelli tenues stricti patentes circ. 1.5 cm. longi bracteas
DIAGNOSES SPECIERUM NOVARUM. 13
superantes. Calyx spadiceus campanulatus intus dense albo- farinosus; lobi carinati lanceolato-acuminati. Corollae albae aureo-oculatae circ. 2 cm. longae tubus calycem superans ; lobi obovati. Stamina floris brevistyli ad os corollaeinserta. Species ex affinitate P. Beesianae, G. Forrest in Sectione Candelabra.
S.W. Szechwan. Tsarong. Muli Mts., valley of the Litang. Forrest. 16,255. June 1918.
ut Primula limbata, Balf. f. et Forrest.
as
a
Albo-farinosa, gemmae hibernaculo brevi, squamis suis sub anthesi a basiexplanatis. Folia ad ro cm. longa 3 cm. lata firma subcoriacea anguste obovata acuta vel obtusa eroso-dentata in petiolum brevem vix discretum attenuata ; subtus griseo-farinosa et farina alba dense limbata. Scapus robustus ad 16 cm. longus obscure farinosus umbellam plurifloram gerens; bracteae lineares + pedicelli tenues bracteas superantes. Calyx purpureus albo-farinosus. Corolla violaceo;purpurea. Capsula cylindrica circ. 8 mm. longa. Species Sectionis Nivalis-verae.
Western N.W. Yunnan. Mekong-Salween divide. Forrest. 14,304. July 1917.
Primula maikhaensis, Balf. t. et Forrest.
Caespitosa luteo-farinosa foliis praeteritis dense vestita. Folia obovato-spathulata ad 4.5 cm. longa 1.5 cm. lata apice rotundato-obtusa leviter crenulato-dentata ; supra atro-olivacea; subtus luteo-farinosa ; petiolus alatus membranaceo-vaginatus. Scapus folia aequans obscure pulverulentus ; umbella 2—3-flora ; bracteae pulverulentae intus luteo-farinosae oblongae acutae ; pedicelli bracteas vix superantes pulverulenti. Calyx ad medium fissus extus pulverulentus intus luteo-farinosus ; lobi oblongi obtusi. Corolla roseo-purpurea oculo viridi-flavido calycem duplo superans circ. 2 cm. longa exannulata; lobi obovati bilobulati. Genitalia longiora ad os corollae. Species Sectionis Yunnanensis.
N.W. Yunnan. N’Maikha-Salween divide. Forrest. 18,094. June 1919.
Primula metria, Balf. f. et Cooper.
Parva rosulata efarinosa. Folia longe petiolata ascendentia sub anthesi ad 3.5 cm. longa; lamina oblonga vel ovalis vel elliptica vel ovata vel subcordiformis ad 2 cm. longa I.2 cm. : lata, obtusa vel apice rotundata, margine crenato-dentata, basi abrupte contracta nunc cordata, vel in foliis oblongis cuneata et in petiolum attenuata, utrinque opaca et pilis albis mollibus articulatis densissime vestita, subtus pallidior ; petiolus laminam aequans vel ea longior. Scapus circ. 6 cm. longus strictus
14 BALFOUR—PRIMULA ET OMPHALOGRAMMA :
pubescens efarinosus spicam capituliformem floribus deflexis gerens; bracteae lineari-lanceolatae acutae; pedicellus o. Calyx foliaceus cupuliformis ventricosus deflexus postice circ. 6 mm. longus extus glaber intus pilosus ultra medium 5-lobatus ;
lobi inaequales eciliati vel sparsim ciliati, posteriore maximo circ. 3 mm. lato obtuso vel subtruncato et denticulato. Corolla pallide caerulea vel alba ad 1.4 cm. longa; tubus cylindricus extus glaber circ. 7.5 mm. longus; limbus infundibuliformis intus copiose glanduloso-puberulus ad medium 5-lobatus ; lobi cuneati truncati paullo emarginati. Stamina in flore longistylo ad medium tubi corollini inserta, in brevistylo ad os. Ovarium latum ; stylus longus corollae tubum aequans, brevis calyce dimidio brevior; stigma discoideum depressum. Species Sec- tionis Muscarioidis.
Bhutan: Champa Pumthang. Cooper. 4042. 2Ist June 1915. =
‘ls Primula micropetala, Balf. f. et Cooper.
Rosulata parva rhizomate brevi foliis floribusque cnactancis sub anthesi foliis praeteritis cincta. Folia petiolata ad 5.5 c longa; lamina oblongo-ovalis ad 3 cm. longa circ. I cm. ee: apice obtusa vel rotundata, margine integra vel obscure crenato- dentata brevissime ciliata deorsum in petiolum gradatim attenu- ata; utrinque fere concolor pilis plurimis brevibus mollibus multicellularibus puberula; petiolus laminam aequans vel ea brevior anguste alatus deorsum in vaginam longam angustam membranaceam expansus. Scapus circ. 10 cm. longus viridis brevissime glanduloso-puberulus capitulum parvum florum deflexorum gerens; bracteae inferiores lineari-lanceolatae acutae membranaceae ciliatae. Calyx cupularis ventricosus deflexus extus intusque glanduloso-puberulus, ultra medium 5-lobatus ; lobi inaequales ovales vel elliptici apiculati ciliati. Corolla cyanea circ. I cm. longa subcarnosula ; tubus circ. 7 mm. longus extus glaber; limbus erectus anguste cupularis intus glaber; lobi 5 imbricati parvi obovati paullo emarginati circ. 2 mm. longi. Stamina in flore longistylo infra medium tubi corollini inserta. Ovarium globosum operculo crustaceo coro- natum ; stylus eee fere exsertus ; stigmacapitatum. Species Sectionis Muscari
Bhutan. aoe Pumthang. Cooper. 4056. 20th June 1915.
Primula mystrophylla, Balf. f. et Forrest. Caespitosa prostrata Semperviridis ramosissima; rami ad
15 cm. elongati foliis scapisque praeteritis siccis dense induti. Folia parva cochleariformia circ. 2 cm. longa ; lamina papyracea
‘
yy
yO
DIAGNOSES SPECIERUM NOVARUM. 15
elliptica vel orbicularis vel cordata crenata; supra atroviridis pilis glandulosis farini-potentibus conspersa; subtus luteo- farinosa ; petiolus lamina duplo longior alatus pilis glandulis ut lamina conspersus. Scapus inter folia immersus erectus tenuis vix I cm. longus luteo-farinosus; bracteae exteriores duae involucratae late ovatae virides plus minusve luteo-farinosae, interiores minores ; pedicelli vix 2 mm. longi. Calyx campanu- latus corollae tubo brevior viridis plus minusve luteo-farinosus ad medium 5-lobatus ; lobi elliptico-ovati obtusi minute glan- duloso-ciliati. Corolla violacea; tubus circ. 7-9 mm. longus cylindricus extus glaber intus ad faucem glanduloso-puberulus, annulatus ; limbus planus ; lobi cuneati circ. 1 cm. longi bifidi. Stamina in flore longistylo infra (in brevistylo supra) medium tubi corollini inserta. Ovarium globosum operculo coronatum ;
stylus brevis calycis tubum aequans, longus calyce paullo longior et corollae tubo brevior. Capsula calyce inclusa. Semina brunnea papulata. Species Sectionis Dryadifoliae.
S.E. Tibet. Tsarong. Ka-gwr-pw. Forrest. 14,221. July 1917.
Primula nanobella, Bali. f. et Forrest.
Perpusilla radicibus basi erubescentibus habitu P. bellae, Franch. sed minor. Folia ad 8 mm. longa parvula spathulata ; lamina orbicularis vel subrhomboidea ad 5 mm. diam. inciso- dentata dentibus recurvis subquadratis apiculatis vel crenata supra viridis subtus elevato-nervosa luteo-farinosa deorsum in petiolum brevem alatum laminam aequantem cuneatim attenuata. Scapus brevissimus ad I cm. longus plerumque foliis inclusus subtiliter luteo-farinosus uniflorus; bracteae 2 purpurascentes extus et intus plus minusve luteo-farinosae exterior elliptica vel oblonga ad 3.5 mm. longa apice denticulata interior minor saepe lanceolata obtusa; pedicellus nullus vel vix evolutus. Calyx campanulatus 4-6 mm. longus adpressus extus purpurascens sparsim luteo-farinosus intus pallidior dense luteo-farinosus, vix ad medium fissus, sit inaequalibus late oblongis subquadratis vel e latis apiculatis vel denticulatis. Corollae magnae_ intense purpureae tubus eru- bescens calycem aequans vel paullo superans extus glaber intus ad faucem pilis pulvinatim occlusus; limbi discus ad 2 mm. lobi imbricati ad 8 mm. lati obovati ad medium bifidi. Susan Sectionis Bellae.
N.W. Yunnan. Likiang Range. Forrest. 2399. July 1906.
Primula pectinata, Balf. f. et Forrest. _ Parva rosulata efarinosa sed foliis scapo bracteis pedicellis calyceque pilis brevibus farini-potentibus plus minusve praeditis.
S Kp
P
16 BALFOUR—PRIMULA ET OMPHALOGRAMMA :
Folia petiolata ad 4 cm. longa 1.5 cm. lata; lamina ovalis nunc rotundata petiolum subaequans pinnatim incisa in petiolum abrupte contracta, dentibus oblongis integris apiculatis brevissime ciliatis ; subtus pallidior. Scapus ad g cm. longus ; umbella ad 8-flora floribus secundis ; bracteae filiformes pedicello longi- ores. Calyx angustus ultra medium fissus; lobi angusti acuminati. Corolla pallide caerulea calycem duplo superans ; lobi obovati bilobulati. Species Sectionis Souliei ex affinitate P. incisae, Franch.
S.W. Szechwan. Mu-liMts. Forrest. 16,805. Aug. 1918.
Primula petraea, Balf. f. et Forrest.
Flavido-farinosa caespitosa. Folia tenuia ad 6 cm. longa longe petiolata ; lamina ovalis vel oblongo-ovalis ad 3 cm. longa I em. lata apice obtusa vel rotundata dentato-crenata ; subtus leviter farinosa. Scapus ad 8 cm. longus umbellam ad ro-floram (nunc paucifloram) gerens; bracteae ovato-acuminatae ; pedi- celli ad 1.5 cm. longi bracteis triplo longiores; anthopodium conspicuum. Calyx purpureus ad 8 mm. longus ; lobi ligulati obtusi vel acutiusculi. Corollae pallide violaceo-roseae ad 2.5 cm. longae tubus annulatus calycem duplo superans; lobi obovati ad 8 mm. longi integri. Genitalia longiora intra os corollae. Capsula ad 2 cm. longa 2 mm. diam. pedicello aucto ad 4cm. longo. Species Sectionis Nivalis P. minori, Balf. f. et Ward affinis.
N.W. Yunnan. Bei-ma-shan. Forrest. 13,940. June Ig17.
Primula proba, Balf. f. et Forrest.
Leviter griseo-farinosa. Folia papyracea; lamina ovalis margine dentato-crenata obtusa vel rotundata. Scapus robustus subtiliter farinosus umbellam terminalem et verticillos 1-2 inter se remotos gerens ; bracteae involucrantes acuminatae ad I cm. longae ; pedicelli ad 2 cm. longi. Calyx ultra medium fissus ; lobi subpatentes extus subtiliter farinosi. Corollae tubus calycem duplo superans. Species ex affinitate P. callianthae,
ranch. S.E. Tibet. Tsarong. Ka-
gwr-pw. Forrest. 16,744. Aug. 1918
.
Primula propinqua, Balf. f. et Forrest.
Elata leviter griseo-farinosa. Foliorum elongatorum lamina lanceolata sursum attenuata grosse crenulata. Scapus robustus elatus ad 30 cm. subtiliter farinosus umbellam ad 5-floram gerens; bracteae ad 1 cm. longae ; pedicelli ad 3 cm. longi. Calyx ad 1.2 cm. longus tubum corollinum aequans circ. ad medium fissus ;
DIAGNOSES SPECIERUM NOVARUM. 17
lobi brunnei obtusi. Species Sectionis Nivalis ad phylum P. callianthae, Franch. spectans. Yunnan. Forrest. 14,251. July 1917.
* Primula pygmaeorum, Balf. f. et W. W. Sm.
a id “5
Herba perennis minuta forsan paludicola rosulata rhizomate brevi radices plurimas emittente foliorum vaginis et scapis praeteritis marcidis obtecto. Folia petiolata haud 2 cm. longa ; lamina ab apice petioli horizontaliter patens crassa carnosula oblongo-ovalis ad extremitates attenuata circ. 5.5 mm. longa 2.5 mm. lata glabra obtusa, margine integra haud cartilaginea, basi in petiolum membranaceo-alatum angustata ; petiolus lamina longior erectus in dimidio supero ligulatus. Scapus foliis immersus ad 6 mm. longus strictus glaber umbellam 3-floram gerens ; bracteae glabrae involucratae oblongae vel ovales apice rotundatae nunc brevissime apiculatae circ. 1 cm. longae stramineae haud gibbosae ; pedicelli stricti divaricati ad 2.5 mm. longi superne in anthopodium magnum expansi. Calyx tubulosus circ. 4 mm. longus glaber; tubus angulatus in lobos 5 erectos elongato-triangulares obtusos virides circ. 1.75 mm. longos fissus. Corollae in flore longistylo tubus cylindricus circ. 5 mm. longus calycem paullo superans glaber crenulato-annulatus ; limbi plani lobi circ. 2.75 mm. longi cuneati profunde bilobulati. Stamina medium tubi corollini versus inserta antherarum apicibus ab annulo 1.5 mm. remotis. Ovarium oblongo-ovoideum ; stylus longus tenuis ruber exsertus ; stigma ovoideum parvum stylo paullo latius.
Tibet. Khambajang. Younghusband. 18, July 1903.
/ Primula rigida, Balf. f. et Forrest.
Caespitosa flavido-farinosa. Folia firma oblongo-spathulata ad 5.5 cm. longa ad 1 cm. lata acuta integra vel subtiliter crenulata ; subtus dense farinosa. Scapus validus rigidus foliis vix longior umbellam ad 8-floram gerens: bracteae purpureae lanceolatae acuminatae ad 7 mm. longae; pedicelli ad r. 5 cm. longi tenues. Calyx purpureus ad 1 cm. longus corollae tubo paullo brevior. Corolla pallide purpureo-rosea ad 2 cm. longa, lobi ovales crenulati. Capsula ad 1.5 cm. longa 2.5 mm. lata pedicello haud aucto. Species Sectionis Nivalis ex phylo P. petraeae, Balf. f. et Forrest.
S.W. Szechwan. Mu-li Mts., valley of the Litang. Forrest. 16,280. July 1918. ,
Primula russeola, Balf. f. et Forrest. Majuscula albo-farinosa hibernaculo sub anthesi disrupto
_ Squamis vaginalibus fibrosim decompositis. Folia elongata ad ae
18 BALFOUR—PRIMULA ET OMPHALOGRAMMA:
30. cm. longa 5 cm. lata oblongo-ovalia vel ovalia obtusa nunc sub- rotundata minute dentata in petiolum longum membranaceum attenuata primo pallide viridia postea et sub anthesi russeta; subtus subtiliter albo-farinosa. Scapus crassus folia subaequans leviter farinosus; -umbella pluriflora floribus fragrantibus ; bracteae virides circ. 2.5 cm. longae efarinosae ; pedicelli dense albo-farinosi bracteas subaequantes. Calyx brunneo-purpureus corolla brevior ; lobi anguste oblongo-ovales intus dense albo- farinosi. Corolla saturate purpureo-rosea. Species Sectionis Nivalis-verae.
S.E. Tibet. Tsarong. Ka-gwr-pw. Forrest. 14, 593. Aug. 1QI7. .
(40 Primula sataniensis, Balf. f. et Farrer.
alt
Foliorum lamina cordiformis ad 6 cm. longa petiolum duplo ~ superans profunde r10-12-lobata lobis obtusis et obtusatim dentatis utrinque sparsissime glandulosa et puberula ; petiolus subvillosulus. Scapus folia multo superans; umbella ad 7-flora floribus fere sessilibus ; bracteae foliaceae involucrantes. Calyx 5-vittatus. Corollae purpureo-rubrae tubus calycem longe superans. Species Sectionis Cortusoidis P. lichiangensi, G. Forrest affinis. .
~Kansu. Satanee and Gahoba Ranges. Farrer and Purdom. 61. roth May tory. ,
Primula shweli-calliantha, Balf. f. et Forrest.
Foliorum lamina ovalis vel oblongo-ovalis integra vel tenuitercrenulata. Scapus folia vix superans; umbella 3-5-flora erecta ; bracteae breves acutae vel obtusae ; pedicelli bracteas multo superantes. Calycis lobi oblongi obtusi vel truncati apice denticulati. Corollae tubus calycem dimidio superans annulo bene evoluto. Species haec Sectionis Nivalis est forma occidentalis P. callianthae, Franch. cujus typus in montibus circum Tali invenitur.
_ Western Yunnan. Shweli-Salween divide. Forrest. 17,682. June rg18. Primula sikuensis, Balf. f. et Farrer. f
Planta umbratilis. Folia longe petiolata ad 14 cm. longa erecta; lamina cordato-elliptica vel reniformis circ. 4.5 cm. longa palmatiloba lobis 9 obtusis dentatis ; utrinque glanduloso- pilosa ; petiolus villosus. Scapus folia subaequans villosulus ; umbella 5~-7-flora; bracteae cire.. 5 mm. longae oblongae immersae apiculatae villosulae ; pedicelli circ. 2 cm. longi glanduloso-puberuli bracteas multo superantes. Calyx viridis
DIAGNOSES SPECIERUM NOVARUM. 19
nervosus subvillosulus ad medium fissus. Corollae rubro- purpureae tubus calycem duplo superans. Species P. lichiang- enst, G. Forrest affinis.
Kansu. Siku Range. Farrer and Purdom. 86. tIo914.
‘> Primula sinodenticulata, Balf. f. et Forrest.
Rhizoma crassum. radicibus carnosulis foliis siccis anni prae- teriti persistentibus floribusque praecocibus. Folia rosulata sub anthesi alabastri squamis rufo-brunneis basi circumscripta ad 8 cm. longa ad 2.5 cm. lata oblonga vel obovato-oblonga vel oblongo-spathulata membranacea obtusa margine leviter reflexa sinuata nunc obscure denticulata deorsum paullo angustata et ligulata perlucens, utrinque minutissime puberula, venis primariis a costa media rubro-tincta acute et stricte adscen- dentibus, post anthesin accrescentia ad 15 cm. longa ad 4 cm. lata vel majora. Scapus robustus ad 22 cm. (sub fructu ad 6 dm.) altus glaber apicem versus dense luteo-farinosus umbellam unam multifloram globosam gerens ; bracteae 7 mm. longae membranaceae plus minusve luteo-farinosae exteriores latae hastatae apicem versus subito in caudam ligulatam obtusam constrictae basi circum pedicellos cucullatae subauriculatae infra breviter gibbosae, interiores angustiores; pedicelli plus minusve luteo-farinosi 7 mm. longi bracteis aequilongi (antho- podio 3.25 mm. obconico excluso) stricti rigidi. Calyx 8.5 mm. longus membranaceus ultra medium fissus plus minusve farinosus tubo obconico; lobi 5 mm. longi lineari-ligulati acuti saepe purpurascentes acutissimi hydathodo conspicuo. Corollae limbus purpureus albo-oculatus ; tubus extus erubescens ad 1.2 cm. longus angustus tubulosus non ampliatus intus exannulatus supra stamina transverse rugosus infra membranaceus venulosus ; limbi pars integra vix I mm. longa; lobi magni obovati I cm. longi 6 mm. lati bipartiti. Floris brevistyli stamina supra medium corollae tubi inserta filamentis brevibus vix I mm. longis antheris 2 mm. longis apicibus ab ore 2.5 mm. remotis, longistyli infra medium tubi corollini inserta apicibus antherarum 4.5 mm. ab ore remotis. Ovarium globosum vertice operculatim incrassatum ; stylus ruber longus tenuis calycis lobos aequans, brevis calycis lobis multo brevior ; stigma parvum cylindricum rubrum. Capsula ad 6 mm. longa anguste oblongo-ovoidea calycem albidum membranaceum aequans (placenta globosa stipitata) ab apice valvis crustaceis lanceolatis dehiscens. Semina brunnea .5 mm. longa; testa cellulis aeriferis rugosa. Species ex phylo P. denticulatae, Sm.
Mid W. Yunnan. Tali Range. Forrest. 1801. May 1906.
20 BALFOUR—PRIMULA ET OMPHALOGRAMMA :
7+ Primula sinonivalis, Balf. f. et Forrest.
i We
at
Species Sectionis Nivalis habitu et forma hibernaculi ad P. limbatum, Balf. f. et Forrest spectans a qua facile distin- guitur; foliis tenuioribus papyraceis majoribus ad 14 cm. longis 4 cm. latis apice plerumque rotundatis leviter regulariter dentato-crenulatis subtus sparsim glandulis farini-potentibus praeditis haud limbatis.
Western N.W. Yunnan. Mekong-Salween divide. Forrest. 14,217. July 1917.
Primula sinoplantaginea, Balf. f.
Species Sectionis Nivalis floribus paullo praecocioribus, squamis membranaceis vaginalibus rubescentibus hibernaculi recti ad 5 cm. longi sub anthesi persistentibus. Folia lanceo- lata acuta in petiolum alatum membranaceum attenuata obscure crenulata ; subtus leviter flavido-farinosa. Scapus crassus ad 16 cm, longus folia paullo superans leviter flavido-farinosus umbellam plurifloram gerens; bracteae atropurpureae intus farinosae a basi lata acuminatae pedicellos farinosos ad 2 cm. longos superantes vel subaequantes. Calyx atropurpureus tubum corollinum latum plerumque subaequans ad medium vel ultra fissus. Corolla saturate purpurea. Genitalia longiora plerumque calycem aequantia.
N.W. Yunnan. Bei-ma-shan. Forrest. 16,440. July 1918.
Primula sinopurpurea, Balf. f.
Species Sectionis Nivalis floribus et foliis coaetaneis vel floribus paullo praecocioribus hibernaculi squamis sub anthesi a basi explanatis. Folia ad 28 cm. longa 4 cm. lata subcarnosula oblongo-ovalia obtusa vel acuta subintegra vel obscure crenulato- denticulata in petiolum alatum aequilongum vel breviorem attenuata; subtus plus minusve aureo-farinosa. Scapus crassus ad 40 cm. longus praecipue apicem versus aureo-farinosus : umbella pluriflora ; bracteae a basi lanceolatae acuminatae pedi- cellis dense aureo-farinosis ad 2.5 cm. longis multo breviores. Calyx brunneus vel brunneo-purpureus ad medium vel ultra fissus intus aureo-farinosus tubo corollino brevior. Corolla saturate purpurea. Genitalia longiora calycem superantia nunc tubum corollinum subaequantia.
Mid and N.W. Yunnan. Tali to Chungtien and the Mekong- Salween divide. Delavay. 750, 751. May 1884. Forrest. 2128. May 1906.
Primula stragulata, Balf. f. et Forrest. Caespitosa stragulum densum compactum rosularum floren-
_ tium faciens, efarinosa sed ubique glandulis farini-potentibus
\33 |
DIAGNOSES SPECIERUM NOVARUM. 2I
minute roridula. Folia petiolata vix 1 cm. longa; lamina petiolum aequans ad 4 mm. lata supra medium profunde incisa infra medium integra cuneatim in petiolum attenuata, pallide viridis utrinque concolor. Scapus tenuis circ. I.5 cm. longus (sub fructu auctus) uniflorus rarissime biflorus bracteas 2 parvulas inaequales apicem versus gerens; pedicellus fere nullus. Calyx purpurascens ad medium fissus; lobi oblongi apiculati univenii. Corolla saturate purpureo-rosea circ. I. 5 cm. longa ; tubus intus barbatus calycem duplo superans ; limbus patens ; lobi_ bipartiti. Genitalia longiora ad os corollae. Species Sectionis Bellae.
S.E. Tibet. Tsarong. Salween—Kiu-chiang divide. Forrest. 18,893. Aug. Ioro.
Primula tribola, Balf. f. et Forrest.
Rhizoma longum hibernaculo gemmae bulboso. Folia ad 13 cm. longa 2.5 cm. lata oblongo-ovalia apice rotundata undulato-crenulata in petiolum attenuata : supra atroviridia nitentia ; subtus flavido-farinosa costa media rubro-purpurea. Scapus folia aequans; umbella 2-4-flora ; bracteae vix 5 mm. longae ovatae ; pedicelli stricti ad 1.5 cm. longi. Calyx atro- purpureus intus farinosus. Corollae roseo-purpureae griseo- flavido-oculatae tubus calycem duplo superans; lobi obovati bifidi apiculo prominulo. Capsula ovoidea circ. I cm. longa calycem duplo superans. Species e phylo P. callianthae, Franch.
Western N.W. Yunnan. Mekong-Salween divide. Forrest. 18,164. July 19109.
Primula triloba, Balf. f. et Forrest.
Herba parvula efarinosa glandulosa vix 2 cm. alta pulvinatim ad 1 dm. patens. Ramuli breves foliis praeteritis siccis dense vestiti. Folia vix 1 cm. longa late petiolata; lamina circ. 3-5 mm. longa et lata petiolo multo brevior ad medium triloba lobis ovatis obtusis subcarnosula utrinque laete viridis et pilis brevibus farini-potentibus conspersa margine pilis longis glandu- losis ciliata ; petiolus ligulatus membranaceus. Flores immersi. Scapus brevis circ. 3 mm. longus glanduloso-pilosus unibracte- atus; bractea linearis acuta uninervia glanduloso-pilosa. Calyx: viridis glanduloso-pilosus ultra medium 5-lobatus ; lobilanceolati acuti vel acuminati. Corolla rosea luteo-oculata in flore longi- Stylo circ. 1.3 cm. longa; tubus latus extus glanduloso-pilosus intus ad faucem dense pulvinatim villosus ; lobi obcordati pro- funde bifidi segmentis obtusis. Stamina in flore longistylo ad basim tubi corollini inserta. Ovarium globosum ; stylus
\ +4
_)
to
22 BALFOUR—PRIMULA ET OMPHALOGRAMMA :
longus tubum corollinum subaequans ; stigma capitatum inter pilos faucis prolatum. Capsula calyce ex toto inclusa ad apicem crustacea ibique valvis 5 brevibus dehiscens, infra membranacea. Semina minutissima. Species Sectionis Bellae.
S.E. Tibet. Tsarong, on the Londre-shan. Forrest. 16,878. Aug. 1918;
Primula tsarongensis, Balf. f. et Forrest.
Rosulata foliis floribusque coaetaneis. Folia petiolata ad 20 cm. longa erecta ; lamina papyracea lanceolata vel elongato- lanceolata circ. 12 cm. longa 2.5 cm. lata, apice rotundata et cum margine crenulato ciliata, deorsum in petiolum longe attenuata; supra opaca puberula; subtus pallidior subglauca glabra (costa media basi pilis paucis albis conspersa excepta) ; petiolus lamina paullo brevior alatus sparsim pilosus. Scapus validus erectus ad 40 cm. longus luteo-farinosus (sub inflorescentia densius) spicam crassam pileo purpureo florum juvenilium coronatam gerens; flores deflexi; bracteae inferiores ligulatae vel lanceolatae calycem subaequantes plus minusve luteo- farinosae glanduloso-ciliatae ; pedicelli nulli; anthopodium nullum. Calyx campanulatus ventricosus circ. 4 mm. longus deflexus luteo-farinosus ultra medium 5-fissus ; lobi glanduloso- ciliati. Corolla intense purpureo-caerulea tubulosa cylindrica circ. 1.3 cm. longa extus glabra; limbus infundibuliformis efarinosus ; lobi erecti circ. 1.5 mm. longi obovati vel subquad- rati paullo emarginati. Stamina in flore brevistylo ad faucem tubi corollini inserta. Ovarium globosum operculo crustaceo coronatum ; stylus brevis calycem subaequans ; stigma dis- coideum depressum. Species Sectionis Muscarioidis
S.E. Tibet. Tsarong. Ka-gwr-pw. Forrest. Pe Sept. 1917-
Primula umbratilis, Balf. f. et Cooper.
_ Parva rosulata foliis floribusque coaetaneis. Folia petiolata
ad 9g cm. longa (sub fructu longiora) ; lamina oblonga vel sub-
ren se ad 4 cm. longa 2 cm. lata, apice obtusa vel rotundata, argine arcte et breviter lobulata, lobulis rotundatis vel
ovis eiainibiie, basi subtruncata et subcuneatim in petiolum
-angustata; supra rugulosa atroviridis; subtus vix pallidior
reticulatim alveolaris ubique hirsuta pilis strictis glutinosis ; petiolus pilosus paullo alatus laminam subaequans vel ea longior. Scapus circ. 8 cm. longus (sub fructu ad 12 cm.) tenuis atroviridis
= strictis pilosus efarinosus capitulum brunneo-coronatum
—6-florum —— deflexis gerens ; bracteae inferiores a lat: alyx cupularis deflexus
We
DIAGNOSES SPECIERUM NOVARUM. 23
ventricosus extus glaber intus plus minusve farinosus 5-partitus ; lobi glanduloso-ciliati. Corolla pallide purpurea circ. 1.5 cm. longa; tubus angustus intus glaber, extus apicem versus siandulis farini-potentibus indutus, supra in limbum aperte infundibuliformem intus glabrum expansus; lobi rotundati circ. 4 mm. longi adscendentes emarginati obscure denticulati. Stamina in flore brevistylo ad faucem tubi corollini. inserta antheris fere exsertis, in longistylo infra medium calyce breviora ; antherae luteae. Ovarium globosum; stylus brevis ad medium tubi corollini attingens, longus tubum aequans ; stigma magnum capitatum. Capsula pallide ochracea laevis calyce inclusa circ. 4.5 mm. longa ab apice valvis 5 per partem superiorem crustaceam dehiscens. Species Sectionis Muscarioidis.
Bhutan. Kurmathang Pumthang. Cooper. 2134. 24th Sept. 1914.
Omphalogramma Coxii, Balf. f.
Folia petiolata oblongo-cordiformia utrinque glandulosa et pilis elongatis glanduliteris obtecta margine undulata ; petiolus dense pilosus. Scapus brevis ad 12 cm. longus ante folia evolutus pubescens. Calyx pubescens circ. 1.2 cm. longus 6-partitus ; lobi attenuatim ligulati. Corolla purpureo-kermesina parva ad 3 cm. longa; lobi vix 7 mm. longi ovato-rotundati apice dentati. Staminum oe ae glandulosa. Stylus glaber. ones O. eee Franch. affini
urma. Chimili Alps. Pank and Cox. 1187. Aug. 1919.
Omphalogramma Farreri, Balf. f.
Folia petiolata rotundato-cordiformia ; lamina ad I0 cm. diam. glandulosa et sparsim pilosa (ad venas infra dense) ; petiolus ad 16 cm. longus dense lanatus. Scapus robustus circ. 16 cm. longus ante folia evolutus pubescens. Calyx circ. 1.7 cm. longus viridis pubescens 6-partitus; lobi ligulati. Corolla saturate purpurea ad 5 cm. longa; lobi circ. 1.5 cm. longi ovales dentati. Staminum filamenta glandulosa. Stylus basi glandulosus pilosus. Species O. Delavayi, Franch. affinis.
.E. Upper Burma. Hpimaw and Chimili High Alps. Farrer and Cox. 1053, 1169. June 1919.
Omphalogramma Forrestii, Balt. f.
Planta floribus cum foliis nascentibus et gemmae hibernaculo magno. Foliorum haud pubescentium lamina ovata vel oblongo- elliptica cordulata abrupte et longe petiolata. Scapus longus.
24 BALFOUR—PRIMULA ET OMPHALOGRAMMA.
Flos magnus subzygomorphus. Corollae ad 7 cm. longae tubus flavidus; limbus saturate purpureus; lobi leviter crenulati. Staminum filamenta glandulosa. Stylus glaber. In Sectione Omphalogramma O. Souliei, Franch. (Primulae Franchetii, Pax) proxima.
Eastern N.W. Yunnan. Mts. of the Chungtien plateau. Forrest. 10,666. July 1913.
- Rhododendron:
BY
.
Diagnoses Specierum Novarum.
ProFEssoR BAYLEY BALFOUR, F.RSS.
THE following seventy species are named here :—
Rhododendron admirabile, Balf. f. et Forrest,
adoxum, Balf. f. et Forrest, p. 28. adroserum, Balf. f. et Forrest,
p. 28. agetum, Balf. f. et Forrest, p. 29. asmenistum, Balf. f. et Forrest,
Pp. 29. astrocalyx, Balf. f. et Forrest, p. 30. axium , Ball. f. et 2 abe Pp. 30. fi
p. beimaense, Balf. f. et gate
Pp. 32. brachyandrum, Balf. f. et Forrest,
p. 32. bese it Balf. f. et Forrest,
Edveavickaee, Balf. f., 3. burriflorum, Balf. f. et Forrest,
Pp. 34.
caeruleo-glaucum, Balf. f. et Forrest, p. 34.
calostrotum, Balf. f. et Ward, Pp. 35-
catapastum, Balf. f. et Forrest, p. 36.
cerochitum, Balf. f. et Forrest,
chameunum, Balf. f. et Forrest, Pp. 37-
chlanidotum, Balf. f. et Forrest, p. 39.
cosmetum, Balf. f. et Forrest,
p. 38. cremastum, Balf. f. et Forrest,
Pp. 39. [Notes, R.B.G., Edin., No. LXI, September 1920.]
Irroratum. Habrotrichum. Irroratum. Sanguineum. Souliei. Souliei.
Lapponicum. Selense
Sanguineum,
Edgeworthii. Habrotrichum.
Campylogynum. Saluenense. Heliolepis. Irroratum. Saluenense. Sanguineum, Saluenense.
Campylogynum.
26
BALFOUR—RHODODENDRON :
Rhododendron cyclium, Balf. f. et Forrest, p- 39. desqua
amatum, Balf. f. et Forrest, p. 40. dichropeptom, Balf. f. et Forrest,
dsienap. “Ball, é: 5 Forrest, p. 40. dumos sulum, Balf. f. et Forrest,
p. 41. duseimatum, Balf. f. et Forrest, emaculatum, Balf. f. et Forrest,
p. 42. esetulosum, Balf. f. et Forrest,
Pp. 42. eucallum, Balf. f.
Pp. 43. ae Balf. f.
Pp. 43- F aberioides, Balf. f., p. 44. pacers e. Balf. f. et Forrest,
pitiactomaes Balf. f. et Forrest, p. 45.
glaphyrum, Balf. f. et Forrest, p. 45.
glauco-aureum, Balf. f. et Forrest, p. 49. hi ae
glaucopeplum, Balf. f. et Forrest,
p. 46. gymnogynum, Balf. f. et Forrest,
heptamerum, Balf. f., p. 48.
himertum, Balf. f. et Saale Pp. 48.
iodes, Balf. f. et Forrest, p. 49.
cea. Balf. f. et Forrest, 0.
Pp. 5 laxiflorum, Balf. £. et Forrest,
p. 50. ; mannophorum, Balf. f. et Forrest,
p. 51. mesopolium, Balf. f. et Forrest, e
Pp. 5 metrium, Balf. f. et Forrest, p. 52. ee Balf. f. et Forrest, a
Pp. 5
nanothamnum, Balf. f. et Forrest, 3-
nebrites, Balf. f. et Forrest, p. 53.
oreinum, Balf. f ee ARS f. et Forrest,
P. 55- pennivenium, Balf. f. et Forrest,
peramoenum, Balf. f. et Forrest, P, Spee
et Forrest,
et Forrest,
Campylocarpum. Heliolepis.
Lacteum. Selense. Levistratum. Selense. Lacteum. Souliei.
Selense.
Taliense. Taliense.
Sanguineum. Sanguineum. Campylogynum.
Dryophyllum.
Irroratum. Sanguineum. Taliense ? Saluenense. Irroratum. Sanguineum.
Sanguineum.
Selense. Selense.
Selense. Sanguineum. Lapponicum. Campylocarpum. Sanguineum. Arboreum,
DIAGNOSES SPECIERUM NOVARUM. 27 - Rhododendron poliopeplum, Balf. f. et Forrest, Sanguineum. i porrosquameum, Balf. f. et Forrest, Heliolepis. a piushtoeniyy, Balf. t et Forrest, Irroratum. 4 site igeee tir, Balf. f. et Forrest, Irroratum. i schistocalyx, Balf. f. et Forrest, Irroratum.
p. 59. rr semn um, Balf. f.et Forrest, p.59. Grande. 5 sinonuttallii, Balf. f. et Forrest, Maddeni.
p. 60. ‘5 a eke we Balf.f.et Forrest, is stenoplastom, Balf. i. et Forrest, Heliolepis.
i talopedar ‘Balt. Dp: Ox. Selense. 5 theiophyllum, se y et Forrest, Lacteum ?
= ieeoaioe ae Balf. f. et Forrest,
‘i Erneascien. Balf. f. et Forrest, Taliense ?
<I bitidliena, Balf. f. et Forrest, Albertsenianum. ss truncata, Balf. f. et Forrest, Selense.
i rf wuense, Balf. f., p. 64. Edgeworthii. 5 yaragongense, Ball. f. pi Oa: Lapponicum.
Ye} Rhododendron admirabile, Balf. f. et Forrest.
Frutex ad 3.5 m.altus. Rami subcrassi primo albido-ceracei. Perulae glutinosae. Folia pallide viridia coriacea petiolata ad 15 cm. longa 3 cm. lata lanceolata vel oblanceolata, apice brevissime acuminata, margine cartilaginea, basi subcuneata vel obtusa ; supra subnitentia laevia vel paullo reticulata glaber- rima, costa media sulcata, venis primariis utrinsecus ad 22 paullo sulcatis ; subtus nitentia glaberrima ceracea costa media et venis primariis elevatis, venulis ultimis minute reticulatis (reticulo immerso) ; petiolus plus minusve ceraceus ad 1.5 cm. longus. Umbella racemosa circ. 10-flora rhachi lanata ad 2 cm. longa ; pedicelli glabri circ. 1.5 cm. longi. Calyx parvus glaber. Corolla tubuloso-campanulata ad 4.5 cm. longa saturate rosea emaculata vel sparsim maculata postice varo basali notata ; lobi 5 lati undulati emarginati. Stamina Io inaequalia corolla multo breviora; filamenta glabra. Discus minutissime puber- ulus. Gynaeceum corollam superans; ovarium angustum
28 BALFOUR—RHODODENDRON :
cylindricum truncatum glaberrimum circ. 8 mm. longum stylus glaber exsertus. Species Seriei Irrorati ex affinitate Rh. gymnanthi, Diels.
S.W. Szechwan. Mu-li Mts. Forrest. 16,378. June 1918.
uve Rhododendron adoxum, Balf. f. et Forrest.
Species ramis crassis juvenilibus sparsim glandulosis adultis glabris. Folia coriacea oblongo-ovalia ad 11 cm. longa 5 cm. lata apice rotundata mucronata, basi rotundata inaequalia ; supra atro-olivacea nunc purpurascentia glabra ; subtus sordide olivacea; petiolus ad 2.5 cm. longus glabrescens. Umbella 10-12-flora ; pedicelli inaequales circ. 2 cm. longi glandulosi et floccosi. Calyx fere obsoletus undulatus carnosulus glandu- losus. Corolla alba roseo-suffusa infundibuliformi-campanulata ad 4 cm. longa sparsim maculata glabra 7-loba; lobi obovati emarginati. Stamina 14 corolla multo breviora; filamenta glabra. Discus glaber. Ovarium glandulosum ; stylus corolla brevior ex ae glandulosus. Forsan Rh. habrotricho, Balf. f. et W. W. Sm.
N.W. Vunieal Yunling Mts. Forrest, 15,226. July 1917.
+> Rhododendron adroserum, Balf. f. et Forrest.
Frutex ad 3.5 m. altus. Rami subcrassi primo cerae strato albido cinerascente vestiti dein glaucescentes demum nudi. Folia petiolata coriacea obovato-oblonga ad 11 cm. longa 3 cm. lata, apice rotundata et rostratim apiculata nunc apicem versus attenuata breviterque acuminata, margine paullo recurva subcrenulata, basi obtusa vel subcuneata : utrinque pallide viridia et subnitentia ceracea; supra vix alveolo-reticulata glaberrima, costa media sulcata et venis primariis paullo sulcatis utrinsecus ad 18 fere horizontalibus; subtus saepe fulvida glaberrima costa media flavido-albida elevata et venis primariis prominulis caeteroquin laevia venularum reticulo immerso ; petiolus circ. I cm. longus plus minusve albido-ceriferus. F lores in racemo-umbellas circ. 10-floras dispositi, rhachi circ. r cm. longa ceracea; pedicelli glabri ad 1.5 cm. longi rubescentes. Calyx parvus 5-lobus; lobi submembranacei rotundati vel late ovati circ. 1.5 mm. longi margine erosi. Corolla infundi- buliformi-campanulata circ. 3.5 cm. longa tubo pallido sursum in limbum saturate roseum ampliato multi-maculata postice varo basali notata extus intusque glabra 5-loba; lobi lati emarginati. Stamina 10 inaequalia corolla breviora ; filamenta glabra. Discus glaber. Gynaeceum corollam subacquaris = ovarium tenue cylindricum glabrum ; stylus glaber. Species Seriei Irrorati.
S&S
ty + “Vy
‘* Rhododendron agetum, Balf. f. et Forrest.
re _. { iia 1G ae Pe
DIAGNOSES SPECIERUM NOVARUM. 29
Western N.W. Yunnan. * Mekong-Salween divide. Forrest. 16,353. April 1917.
Frutex ad 2.5 m. altus. Rami recti glabri sed vestigiis in- dumenti juvenilis cinereis sparsim notati, seniores albido-grisei. Folia longe petiolata ad 7.5 cm. longa per annos duos persistentia ; lamina crasse coriacea anguste oblonga, mucrone prominulo rostrato-apiculata, margine recurva, basi obtusa saepe in- aequalis; supra laete viridis laevis glabra, costa media anguste sulcata, venis primariis vix conspicuis utrinsecus 20 pinnatim dispositis; subtus glauco-albida reti venularum ultimarum elevato minute alveolata ubique papillis epidermicis ceriferis longis baculiformibus contiguis induta et venis primariis sepultis pinnatim albo-striata, costa media elevata epapillata roseo-tincta floccosa percursa; petiolus ad 1.5 cm. longus roseo-tinctus ut rami vestitus. Umbella ad 4-flora; pedicelli circ. I cm. longi sparsim floccosi. Calyx parvus circ. 2 mm. longus flavido-viridis cupularis submembranaceus margine un- dulatus vel in lobos breves semilunatos esculptus dorso glaber fimbriato-ciliatus. Corolla kermesino-coccinea tubuloso-cam- panulata ad 3.5 cm. longa 5-loba basi gibbosa ibique variculosa glabra ; lobi rotundati emarginati. Stamina 10 inaequalia ad 2.5 cm. longa corolla gynaeceoque multo breviora; filamenta glabra. Discus glaber. Gynaeceum corollam aequans vel ea paullo longius ; ovarium conoideum in stylum subattenuatum dense floccosum tomentosum ; stylus basi floccosus. Species ex affinitate Rh. neritflori, Franch.
Western Yunnan. Eastern flank of N’Maikha-Salween divide. Forrest. 17,851. May rgro.
Rhododendron asmenistum, Balf. f. et Forrest.
Frutex ad 1 m. altus. Rami tenues eglandulosi indumenti vestigiis albidis plus minusve notati. Perulae fugitivae. Folia petiolata ad 8 cm. longa; lamina coriacea oblanceolata vel anguste obovalis ad 7.5 cm. longa 2 cm. lata, apice obtusa mucronata, margine paullo recurva, deorsum attenuata basi subcuneata saepe inaequalis ; supra olivacea glabra laevis costa media et venis primariis utrinsecus circ. 8 rubidis sulcatis ; subtus grisea costa media et venis primariis elevatis rubro-lineata glandulis paucis praedita, indumento persistente scintillante laevi subalveolari e pilis rosulatis constructo vestita, rosulis aliis parvis fere sessilibus aliis longe ramosis haud intricatim intertextis ; petiolus ut rami vestitus circ. 5 mm. longus.
Umbella ad 6-flora ; pedicelli circ. 2 cm. longi puberuli et floccis sebaceis parvis conspersi. Calyx ad 1: cm. longus
30 BALFOUR—RHODODENDRON :
5-partitus ; cupula brevis ; lobi' rotundati vel ovati nunc lobati saepe reflexi flavidi extus glabri margine sebaceo-ciliati. Corolla alba roseo-tincta campanulata ad 3.5 cm. longa; lobi rotundati emarginati. Stamina 10 inaequalia longiora gynae- ceum fere aequantia; filamenta glabra. Discus glaber. Gynaeceum corolla: paullo brevius; ovarium pilis adpressis adscendentibus albidis et rufescentibus tomentosum ; stylus glaber. Species Seriei Sanguinei.
S.E. Tibet. Tsarong. Salween—Kiu-chiang divide. Forrest. 19,169. July 1919. :
\(,80 Rhododendron astrocalyx, Balf. f. et Forrest.
Frutex flaviflorus ad 1.5 m. altus. Rami nodulati primo glandulosi mox glabri. Folia coriacea elliptica ad 7 cm. longa 3.5 cm. lata mucronulata basi rotundata subtrunculata ; supra glabra purpureo-olivacea (costa media excepta) ; subtus sub- fulva pilis caulifloris et glandulis paucis praedita; petiolus I-1.5 cm. longus glandulosus. Umbella 7—-8-flora; pedicelli sparsim glandulosi. Calyx ad 6 mm. longus ruber; cupula glandulosa ; lobi 5 stellatim patentes membranacei circ. 3 mm. longi obtusi glandulosi. Corolla pallide flava aperte campanu- lata circ. 2.5 cm. longa postice extus glandulosa intus puberula. Stamina corolla breviora; filamenta brevissime puberula. Discus sub ovario puberulus. Ovarium stipitatum glandul ; stylus fere ex toto stipitatim glandulosus. Species Seriei Souliei.
Western N.W. Yunnan. Mekong-Salween divide. Forrest. 14,128. June 1917.
U(,3| Rhododendron axium, Balf. f. et Forrest.
Frutex ad 1.5 m. altus. Rami tenues glandulis rubris sub- setulosis dense vestiti. Folia papyracea oblongo-ovalia vel oblonga vel obovalia ad 9 cm. longa (petiolo 1-1.5 cm. longo glandulis longe stipitatis dense praedito incluso) 3.8 cm. lata, apice late obtusa apiculata, basi rotundata ; supra atro-olivacea glabra ; subtus subfulvida pilis sebaceis aurantiacis conspersa. Umbella 4—6-flora; pedicelli tenues circ. 1.5 cm. longi dense glandulosi glandulis longe stipitatis. Calyx parvus carnosulus margine undulatus vel leviter 5-dentatus dense glandulosus. Corolla infundibuliformi-campanulata circ. 3.5 cm. longa roseo- suffusa varo magno kermesino basali notata glabra 5-loba. Stamina corolla paullo breviora puberula. Discus puberulus. Ovarium glandulosum glandulis breviter stipitatis; stylus stamina longiora aequans basi infima sparsim glandulosus. Species Seriei Souliei.
S.E. Tibet. Doker-la, Mekong-Salween divide. Forrest. . 16,684. June 1918.
DIAGNOSES SPECIERUM NOVARUM. st
Uo\4 Rhododendron batangense, Balf. f.
Frutex parvifolius multiramosus ramis incrementum annuum breve exhibentibus. Ramuli annotini circ. 1 mm. diam. rufi indumento asperato squamarum peltatarum secretione rubra impletarum dense induti seniores nigricantes tandem sordide grisei decorticantes. Alabastra foliaria ovoidea parva pauci- perulata ; perulae extimae minutae coriaceae elongato-triangu- lares circ. 1.5 mm. longae obtusae dorso dense lepidotae ciliatae, intermediae late ovatae circ. 2 mm. longae apiculatae carinatae margine membranaceae ciliatae intus sericeae extus lepidotae et puberulae, intimae membranaceae late ovales vel obovatae mucronulatae cucullatae circ. 4 mm. longae ut exteriores indutae. Folia petiolata ad 1 cm. longa; lamina crasse coriacea oblonga vel longe ovalis vel obovalis nunc breviter ovata ad 8 mm. longa 2.5 mm. lata, apicem versus paullo attenuata obtusa, margine paullo recurvata, basi obtusa vel late obtusa nunc attenuata ; supra atroviridis opaca squamis peltatis arescenti- bus concavis contiguis quasi foveolatim lepidota, squamarum umbone lato secretione aurantiaca vel rufa pleno, instita aequilata integra albida; subtus fulvida et rufo-punctulata indumento squamarum contiguarum bicoloratarum dense ves- tita; petiolus ad 2 mm. longus ut caulis lepidotus. Flores solitarii terminales fere sessiles; bracteae sub anthesi plus minusve persistentes exteriores crustaceae rotundatae circ. 3 mm. longae intus sericeae extus lepidotae pilis niveis lanato- ciliatae, interiores membranaceae cucullatae late ovales vel ellipticae circ. 6 mm. longae 4 mm. latae, intimae cuneatae truncatae ut exteriores indutae ; pedicelli vix 0.5 mm. longi dense lepidoti. Calyx minutissimus cupularis vix 0.5 mm. longus lobos 5 exhibens; lobi subaequales carnosuli semilunati vel suborbiculares extus dense lepidoti epilosi corollae adpressi. Corolla rosea circ. 9 mm. longa extus elepidota ; tubus campanu- latus circ. 2.5 mm. longus intus glaber in limbum patentem 5-lobatum ampliatus; lobi oblongi vel ovales vel ia undulati tenues circ. 6 mm. longi ad 5 mm. lati. Stamina 10 inaequalia alternatim longiora et breviora, corolla breviora, longiora ad 7 mm. longa breviora circ. 6 mm. longa; filamenta pallide rosea deorsum paullo expansa glabra vel pilis paucis supra basim sparsissime conspersa. Discus puberulus. Gynae- ceum circ. 6 mm. longum staminibus longioribus paullo brevius ; ovarium breviter ovoideum sulcatum circ. 2 mm. longum squamis_ flavido - viridibus epilosum dense im- bricatim lepidotum; stylus purpureo-roseus rectus glaber ad apicem paullo clavatus; stigma lobulatum angustum labio cinctum. Species Seriei Lapponici Rh. ramosissimo, Franch. affinis.
*
32 BALFOUR—RHODODENDRON :
W. Szechwan. Principality of Batang. Yaragong. Soulié. 3304. June 1903. In Herb. Paris.
Rhododendron beimaense, Ball. f. et Forrest.
Frutex ad 2 m.altus. Rami tenues sparsim glandulosi demum verruculosi. Folia petiolata ad 11 cm. longa; lamina papy- racea elliptica vel ovalis ad 8.5 cm. longa 5.5 cm. lata apice rotundata mucronulato-apiculata, basi rotundata ; supra viridis opaca glabra; subtus pallide viridis pilis plurimis sebaceis aurantiacis induta; petiolus circ. 2.5 cm. longus sparsim glandulosus. Umbella 5-6-flora ; pedicelli tenues stricti breviter glandulosi. Calyx parvus 5-lobus ; lobi rotundati circ. 1.5 mm. longi carnosuli dense breviter glandulosi. Corolla aperte pateri- formis circ. 3 cm. longa alba roseo-suffusa maculis paucis et varo basali notata glabra 5-loba. Stamina corolla paullo breviora ; filamenta puberula. Discus puberulus. Gynaeceum corollam aequans ; ovarium breviter glandulosum ; stylus fere glaber. Species Seriei Selensis. :
N.W. Yunnan. Bei-ma-shan. Forrest. 13,951. June 1917.
Rhododendron brachyandrum, Balf. f. et Forrest.
Frutex circ. 1 m. altus. Rami crassiusculi glandulosi nunc per annos duos perulati. Perulae glandulosae. Folia breviter petiolata ad 12 cm. longa; lamina crasse coriacea oblonga nunc apicem versus paullo latior ad 11 cm. longa 3.5 cm. lata, apice rotundata breviter mucronata, basi obtusa vel subrotundata ; supra laete viridis laevis glabra, costa media paullo sulcata, venis primariis utrinsecus circ. 8 fere occultis; subtus pallide flavido-viridis venularum reticulo prominulo saepe rufo-tincto, costa media elevata, venis primariis occultis, pilis sebaceis nunc rufis conspersa et ad latera costae mediae pilosa ; petiolus atro- purpureus glaber ad 1 cm. longus. Umbella breviter racemosa rhachi glabra ; bracteae internae sericeae ; pedicelli circ. 8 mm. longi glabri atro-purpurei sub calyce expansi. Calyx circ. 6 mm. longus ad medium 5-lobus glaber ; cupula basi atro-kermesina ; lobi rotundati vel elliptici vel oblongi membranacei cinerei. Corolla tubuloso-campanulata 5-loba circ. 3.5 cm. longa plus minusve kermesina et fere ad apicem loborum maculata basi gibbosa ibique 5-varosa glabra. Stamina brevissima subaequalia circ. 1.2 cm. longa antheris infra medium tubi corollini circum stylum aggregatis; filamenta glabra. Discus glaber. Gynae- ceum circ. 2 cm. longum corolla multo brevius ; ovarium dense et breviter glandulosum ; stylus glaber.
S.E. Tibet. Tsarong. Salween—Kiu-chiang divide. Forrest.
18,943. July ror9.
DIAGNOSES SPECIERUM NOVARUM. 33
Ul a Rhododendron brunneifolium, Balf. f. et Forrest.
Frutex ad ri m. altus. Rami stricti tenues tuberculati esetulosi sparsissime glandulosi et floccosi. Alabastra fusi- formia ; perulae exteriores subtomentosae. Folia petiolata ad 8 cm. longa : ; lamina oblongo-ovalis ad 7 cm. longa 3 cm. lata, apice rotundata minute apiculata, margine plana, basi obtusa : supra olivacea glabra; subtus subfulvida indumento pilorum rosulatorum tenui laxo unistrato vestita, costa media venisque primariis utrinsecus circ. 1r paullo elevatis ; petiolus ad x cm. longus sparsissime glandulosus et floccosus. Umbella 3—4-flora ; pedicelli ad 3 cm. longi tenues ut petiolus vestiti. Calyx parvus cupularis carnosulus dorso subglaber margine subjnteger pilis sebaceis ciliatus. Corolla roseo-kermesina emaculata tubuloso- campanulata ad 4 cm. longa glabra 5-loba ; lobi lati sub-bifidi. Stamina longiora corollae tubum subaequantia ; filamenta pube- tula. Discus puberulus. Gynaeceum corollam subaequans ; ovarium dense albido-floccosum ; stylus glaber. Species Seriei
S.E. Tibet. Tsarong. Kiu-chiang divide. Forrest. 19,025. July rgr9.
Rhododendron Bureavioides, Bali. f.
Frutex ad 3 m. altus. Rami crassi indumento denso pallide brunneo e pilis rigidis longe stipitatis breviterque ramosis et glandulis rubris constructo involuti. Folia breviter petiolata ad 15 cm. longa; lamina crasse coriacea elongato-ovalis ad 14 cm. longa 5 cm. lata subrostrata, basi late rotundata ; supra atro-olivacea subnitens indumenti vestigiis plus minusve notata ; subtus rubro-ferruginea indumento crasso persistente molli lanato e pilis longis fibrilliformibus multi-ramosis acutis undulatis intertextis haud cirrhosis vestita; petiolus crassus circ. I cm. longus ad 5 mm. diam. ut rami vestitus. Umbella densa multi- flora sub anthesi bracteis bracteolisque cincta ; bracteae extimae ferrugineo-lanatae, interiores sericeae ; bracteolae lineares pedi- cellis multo breviores ; pedicelli crassi circ. 1.5 cm. longi lanati et glandulosi. Calyx circ. 8 mm. longus 5-partitus; lobi anguste oblongi circ. 2 mm. lati rufo-glandulosi et floccosi. Corolla circ. 4 cm. longa campanulata postice rubro-varosa emaculata extus glabra intus pubescenti-glandulosa. Stamina Io inaequalia corolla gynaeceoque multo breviora; filamenta puberula. Discus glaber. Gynaeceum corolla paullo brevius ; ovarium glandulosum epilosum ; stylus basi infima glandulosus. Species Seriei Edgeworthii.
Western China. Wilson. 3954. June1go4. In Herb. Kew.
Western China. Tatsien-lu. Wilson. 3959=1538. May 1904. In Herb. Kew.
c
34 BALFOUR—RHODODENDRON :
, 86 Rhododendron burriflorum, Balf. f. et Forrest.
Frutex ad 4.5 m. altus. Rami subcrassi primo glandulosi (glandulis saepe longe stipitatis) et rufo-floccosi glabrescentes estrigillosi. Folia petiolata ovalia vel oblongo-ovalia nunc obovalia ad 16 cm. longa 5.5 cm. lata obtusa mucronata vel rostrato-apiculata, margine plana paullo undulata, basi rotun- data ; supra atro-olivacea sublaevia glabra (costa media sparsim glandulosa et floccosa excepta) venis primariis utrinsecus ad 14 occultis; subtus pallide fulva costa media elevata sparsim glandulosa et floccosa, venis primariis et reti ultimo venarum rubidis haud prominulis, caeteroquin papillis epidermicis ceri- feris vestita ; petiolus ad 2 cm. longus stipitatim glandulosus et floccosus. Flores in umbellam breviter racemosam circ. 8- floram dispositi, rhachi circ. 1 cm. longa glandulosa et floccosa ; bracteae fertiles dense sericeae; bracteolae breves subulatae pilosae ; pedicelli circ. 1.5 cm. longi dense floccoso-tomentosi et sparsim glandulosi. Calyx ampliatus submembranaceus ad 2 cm. longus rubro-coloratus spathaceo-dimidiatus inaequaliter lobatus infra glaber superne sparsim puberulus margine pilis sebaceis ciliatus. Corolla campanulata saturate kermesina coccineo-maculata et varo basali notata ad 4 cm. longa extus intusque glabra septis incompletis interpetalinis basim versus praedita 5-loba ; lobi lati emarginati. Stamina I0 inaequalia corollam vix aequantia ; filamenta tenuia basi puberula. Discus puberulus. Gynaeceum stamina aequans ; ovarium cylindrico- conoideum sulcatum truncatum pilis sebaceis et glandulosis dense floccoso-tomentosum ; stylus in triente infimo floccosus et glandulosus. Species Rh. habrotricho, Balf. f. et W. W. Sm. affinis sed setulae strigillosae desunt.
Western Yunnan. Shweli-Salween divide. Forrest. 17,598 June 1918.
U.S} Rhododendron caeruleo-glaucum, Balf. f. et Forrest.
Frutex parvifolius ad 4 dm. altus erecto-ramosus. Ramuli tenues squamis carnosulis rufescentibus conspersi demum verruculosi. Perulae persistentes. Folia breviter petiolata ad 2 cm. longa ad apicem ramulorum rosulata primo utrinque speciose caeruleo-glauca tandem viridia ; lamina coriacea obovata ad 1.7 cm. longa 7 mm. lata, apice rotundata nunc subretusa breviter mucronulata, margine crenulato-undulata recurva
uamis carnosulis fimbriata, deorsum attenuata basi subcuneata:; supra (foliis adultis) pallide olivacea nitens breviter papillata glabra sed squamarum vestigiis obscure sparsimque notata, costa media sulcata ; subtus flavido-viridis papillis epidermicis } intil saqnami enlic
marcidis conspersa ;
DIAGNOSES SPECIERUM NOVARUM. 35
petiolus circ. 3 mm. longus ut ramuli vestitus. Flores magni terminales solitarii vel bini nutantes ; pedicelli validi ad 6 cm. longi saturate purpurei glabri nunc squamis paucis praecipue ad apicem praediti sub calyce expansi. Calyx cupularis circa corollae basim ampliatus patens atro-kermesinus ad 5 mm longus ; cupula glabra; lobi 5 ovales glabri eciliati. Corolla campanulata ad 2.3 cm. longa saturate roseo-purpurea ad trientem vel ultra 5-loba intus puberula; lobi rotundati fere integri. Stamina ro alternatim longiora et breviora tubum corollae aequantia; filamenta basi expansa dense puberula ; antherae magnae aurantiacae. Discus glaber. Gynaeceum corollam aequans; ovarium ovoideum circ. 3 mm. longum squamis siccis conspersum; Stylus atropurpureus rectus nunc paullo declinatus sub stigmate lobulato dilatatus. Species ex phylo Rh. campylogynt, Franch.
S.E. Tibet. Tsarong. Salween—Kiu-chiang divide. Forrest. 19,181. July rorg.
Rhododendron calostrotum, Balf. f. et Ward.
Frutex parvulus prostratus. Rami juveniles ad 1 mm. diam. indumento ramentaceo flavido imbricatim vestiti squamis plurimis longe stipitatis, postea rufescentes demum cinerei stipitibus squamarum hic et illic subsetulosi. Folia. petio- lata ad 2.5 cm. longa; lamina coriacea ovalis vel elliptica ad 2.2 cm. longa 1 cm. lata apice rotundata nunc retusa mucrone minuto plerumque depresso, margine recurva setuloso-ciliata, basi obtusa ; supra in foliis juvenilibus pallide viridis squamis albidis discontigue lepidota, intervallis diametro squamarum minoribus, postea atro-viridis squamis scintillantibus ; subtus primo flavido-roseo-suffusa demum mahogani-rubra imbricatim lepidoti uniformiter punctulata squamis stipitatis alias sub- sessiles superantibus; petiolus circ. 3 mm. longus ut rami vestitus. Flores singuli vel bini terminales; pedicellus circ. 1.5 cm. longus tenuis squamis albidis stipitatis et subsessilibus dense indutus. Calyx ad 8 cm. longus 5-partitus ; cupula dense albido-pilosa sparsim lepidota; lobi rubri ovati obtusi dorso puberuli apicem versus ad medium lepidoti, margine ciliati. Corolla aperta purpureo-rosea postice maculis linearibus notata ad 2 cm. longa extus dense puberula ; lobi lati rotundati sub- crenulati. Stamina 1o corolla gynaeceoque multo breviora ; filamenta supra basim brevem nudam villosula. Gynaeceum corolla brevius ; ovarium petasiforme parvum viride imbricatim lepidotum ; stylus glaber. Species Seriei Saluenensis
N.E. Upper Burma. Ridge of Naung-Chaung, Mwai divide. Kingdon Ward. 1790. 16th July 1914.
36 BALFOUR—RHODODENDRON :
2942 Rhododendron catapastum, Balf. f. et Forrest.
Frutex virgatus ad 2.5 m. altus. Rami juveniles tenues circ. 2 mm. diam. brunnei subrussati squamis imbricatis fur- furacei demum glabrescentes. Folia petiolata ad 10.5 cm. longa; lamina chartacea ovalis ad 8 cm. longa 4.5 cm. lata, breviter acuminata tenuiter mucronulata, margine plana, basi late obtusa vel subrotundata; supra olivacea subaenotincta laevis nitens squamis contiguis albidis marcidis induta, costa media paullo sulcata minutissime puberula, venis primariis utrinsecus 8-10 inconspicuis; subtus cervina saepe demum rubiginosa nitida laevis squamis magnis sigilliformibus contiguis induta hic et illic squaama majore intensius colorata punctulata, costa media elevata erubescente dense lepidota; petiolus ad 1.5 cm. longus ut rami vestitus. Umbellae 4—5-florae solitariae nunc 2-3-fasciculatae; pedicelli sub fructu ad 2 cm. longi sigillatim lepidoti. Flos marcidus solum visus. Calyx cupularis carnosulus circ. 2 mm. longus extus furfuraceus margine lobos 5 semilunatos vel rotundatos gerens. Corolla tubuloso-campanu- lata kermesino-maculata extus lepidota intus glabra. Staminum filamenta puberula. Discus puberulus, Ovarium imbricatim lepidotum ; stylus glaber. Capsula circ. 1.2 cm. longa 4 mm, diam. recta vel paullo curvata sulcata lepidota ab apice 5-valvis. Species Seriei Heliolepidis.
W. Yunnan. Yung-peh Mts. Forrest. 16,597. July 1918. Also 16,5974.
U.°° Rhododendron cerochitum, Balf. f. et Forrest.
Frutex ad 6 m. altus. Rami virgati elongati glauci sparsim floccosi glabrescentes. Folia petiolata ad 15 cm. longa 4 cm. lata coriacea lanceolata vel oblongo-lanceolata vel oblonga apice rostrato-acuta mucronata, margine undulata subcrenulata, basi obtusa vel late cuneata ; supra glauca opaca sed cerae particulis minutis nitentibus praedita alveolo-reticu- lata ; subtus ceracea nitentia costa media elevata venis primariis utrinsecus circ. 16-20 patulis cum venulis ultimis reticulatim prominulis percursa rubro-punctata ; petiolus circ. 1.5 cm. longus plus minusve floccosus. Flores in racemo-umbellam ad 7-floram dispositi, thachi griseo-ceracea circ. I cm. longa ; pedicelli breves griseo-ceracel circ. 8 mm. longi. Calyx parvus; lobi deltoidei floccoso-fimbriati. Corolla infundibuliformi-campanulata ad 5 cm. longa rosea emaculata extus glabra intus basi puberula ; lobi 5 latiemarginati. Stamina 10 inaequalia corolla et gynaeceo breviora ; filamenta basi rubra minute puberula; antherae parvulae. Discus glaber. Gynaeceum corolla paullo brevius : ovarium tenue cylindricum circ. 7 mm. longum ieteraticn
DIAGNOSES SPECIERUM NOVARUM. 37
sparsim floccosum ; stylus glaber. Capsula brevis vix 1.5 cm. longa recta. Species Seriei Irrorati.
Western Yunnan. Shweli-Salween divide. Forrest. 15,766. June 1917. 17,484. June ror8.
Uo Rhododendron chameunum, Balf. f. et Forrest.
Frutex parvifolius caespitosus ad 2.5 dm. altus ramosissimus. Ramuli juveniles circ. 1 mm. diam. erecti fulvo-strigillosi breviter puberuli et sparsim lepidoti. Perulae persistentes. Folia brevis- sime petiolata ad 1.5 cm. longa; lamina crasse coriacea ovalis vel obovalis ad 1.4 cm. longa 7 mm. lata, apice rotundata nunc emarginata mucrone parvo prominulo terminata, margine recurva setuloso-ciliata basi obtusa ; supra intense nigro-viridis nitens squamis albidis marcidis haud contiguis induta hic et illic et praecipue ad costam mediam sulcatam puberulam setulas fulvidas paucas emittens; subtus cinereo-cervina uniformiter brunneo-punctulata ubique lepidota et ad costam mediam elevatam fulvido-setulosa, indumenti bistrati squamis contiguis pro parte maxima albidis institam latam translucentem integerri- mam et superficiem subfoveolatam praebentibus, paucioribus umbone brunneo-infiltrato ultra alias excrescentibus punctula fingentibus; petiolus ad 1.5 mm. longus ut rami _ vestitus. Flores magni pedicellati solitarii vel bini ad apicem ramulorum sub anthesi basi bracteis cucullatis late ovatis vel obovatis saepe truncatis erubescentibus ad 1 cm. longis sericeis et (extimis solum) dorso setulosis cincti; bracteolae lineares vix 1 cm. longae pilo-cristatae ; pedicelli stricti erecti ad 2 cm. longi dense strigillosi puberuli et sparsim lepidoti. Calyx ad 6 mm. longus 5-partitus ; cupula circ. 1 mm. longa atro-kermesina squamis albidis prominulis notata puberula et setulosa ; lobi rubri ovati vel oblongo-ovales dorso puberuli margine setuloso-ciliati. Corolla saturate purpureo-rosea intense kermesino-maculata aperta circ. 2.5 cm. longa ad medium 5-lobata extus a basi puberula superne ad medium petalorum lepidota, intus
ubescens; lobi rotundati lati eroso-crenulati. Stamina 10 alterna longiora et breviora corolla gynaeceoque multo breviora ; filamenta atropurpurea supra basim brevem nudam et intra tubum corollinum dense purpureo-villosula. Discus sub ovario dense puberulus. Gynaeceum corollam aequans; ovarium ovoideum viride dense lepidotum et puberulum; stylus atro- purpureus glaber. Capsula subglobosa calyce membranaceo omnino inclusa ad 4 mm. longa et lata sulcata puberula et lepi- dota. Species Seriei Saluenensis.
W. Yunnan. On the Li-ti-ping. Forrest. 13,904. June Igt7. Also 12,968, 16,143.
38 BALFOUR—RHODODENDRON :
UL29 Rhododendron chlanidotum, Balf. f. et Forrest.
Frutex ramis i is dense cinereo tosis. Perulae fugitivae. Folia breviter petiolata ad 10 cm. longa; lamina coriacea oblonga vel oblanceolata vel anguste obovalis apice late obtusa vel rotundata tuberculato-mucronata, margine subplana, basi obtusa vel subrotundata; supra atro-olivacea minute rugulosa glabra costa media sulcata venis primariis utrinsecus circ. 8 vix visis; subtus sordide grisea indumento bistrato plerumque mycelio fuligineo interpenetrato vestita, pilis indu- menti glandulis paucis mixtis, eis strati superi crassi-stipitatis et longi-ramosis superficiem sublanatam facientibus, strati inferi breviter rosulatis, costa media magna erubescente et venis primariis prominulis ; petiolus ad 8 mm. longus crassus ut rami vestitus. Umbella ad 5-flora; pedicelli vix 2 cm. longi dense setuloso-glandulosi et pilis brevibus albidis floccosis pilosi. Calyx parvus obliquus circ. 3 mm. longus; lobi 5 ovati vel rotundati extus ubique et ad marginem dense setuloso-glandu- losi. Corolla laete lutea (immatura solum visa). Stamina parva gynaeceo multo breviora ; filamenta basi lata villosula. Discus glaber. Gynaeceum cor rollam subaequans; ovarium dense setuloso-glandulosum ; stylus glaber. Species Seriei Sanguinei.
S.E. Tibet. Tsarong. Ka-gwr-pw. Forrest. 16,714. July 1918.
>
Rhododendron cosmetum, Balf. f. et Forrest.
Frutex ad 1.5 m. altus parvifolius multi-ramosus. Rami erecti. tenues (ultimi circ. 1 mm. diam.) dense ferrugineo- strigillosi squamoso-lepidoti et sparsim puberuli. Folia breviter petiolata ad 1.5 cm. longa ; lamina coriacea ovalis vel oblongo- ovalis apice rotundata vel obtusa prominenter mucronulata, es recurva setuloso-ciliata, basi obtusa ; supra atro-viridis
rugulosa vestigialiter contigue lepidota, costa media vix vdiellis puberula sparsimque setulosa; subtus pallide viridis postea plus minusve cervina contigue lepidota uniformiter brunneo-punctulata, costa media straminea elevata sparsim lepidota et basim versus ferrugineo-strigillosa setulis plus minusve detersilibus ; petiolus circ. 2 mm. longus ut rami vestitus. Umbella terminalis biflora bracteis amplis sub anthesi persistentibus ; pedicelli stricti erecti 1.5 cm. longi pilis setuli- formibus tenuibus sparsim praediti et discontigue lepidoti superne expansi. Calyx ad 6 mm. longus ultra medium 5-lobus ; cupula carnosula atro-kermesina puberula elepidota; lobi inaequales laete rubri ovati subobtusi dorso elepidoti sparsim breviterque puberuli margine pilis rubris setulosis et pilis albidis tenuibus plurimis ciliati. Corolla purpureo-rosea postice lineari- mac pier <5 ad 2 cm. — extus pilosa elepidota intus
Ut
DIAGNOSES SPECIERUM NOVARUM. 39
puberula. Stamina 10 gynaeceum subaequantia vel eo paullo breviora ; filamenta supra basim glabram circ. I mm. longam pilis ascendentibus dense villosula. Discus puberulus. Gynae- ceum corolla paullo brevius ; ovarium petasiforme circ. 2 mm. longum viride puberulum et imbricatim lepidotum; stylus glaber. Capsula parva circ. 4 mm. longa puberula et sparsim lepidota calyce inclusa. Species Seriei Saluenensis.
N Yunnan. Bei-ma-shan. Forrest. 13,985. June IQI7. Rhododendron cremastum, Balf. f. et Forrest.
rutex nanus parvifolius circ. 1.5 m. altus. Rami peru-
lati adscendentes, hornotini circ. r mm. diam. lepidoti, vetustiores verruculosi. Folia petiolata ad 2.4 cm. longa; lamina coriacea obovalis vel obovata vel oblongo-ovalis 1-1.7 cm. lata, apice rotundata tuberculato-mucronulata, margine revoluta undulata, basi in petiolum attenuata; utrinque squamis dis- contiguis vestita; supra opaca margine squamis impressis seriatim notata, costa media puberula ; subtus viridis ; petiolus ad 3 mm. longus. Umbella 2—4-flora terminalis ; flores cernui ; pedicelli circ. 4 cm. longi lepidoti. Calyx purpurascens demum late patens basi lepidotus circ. 7 mm. longus ad medium 5- lobatus ; lobi rotundati glabri (margine plerumque lepidoto excepto). Corolla carnosula purpureo-rosea campaniformis extus glabra intus puberula ; lobi 5 rotundati 7 mm. lati (anterioribus 2 longioribus ad g9 mm.). Stamina ro tubum corollinum aequantia ; filamenta subvillosa. Discus lobulatus glaber. Gynaeceum stamina aequans;. ovarium lepidotum; stylus crassus clavatus deflexus. Species ex phylo Rh. campylogynt, Franch.
Western N.W. Yunnan. Mekong-Salween divide. Forrest. 14,266. July 1917.
Rhododendron cyclium, Balf. f. et Forrest. Frutex ad 1.5 m. altus tenui-ramosus. Rami glandulosi. Folia crasse coriacea petiolata orbicularia ad 4 cm. diam.
. mucronata cordulata; supra atro-olivacea glabra; subtus
purpureo-glauca profuse rubro-punctulata papillis epidermicis ceriferis vestita, costa media epilosa ; petiolus ad 1.2 cm. longus glandulosus. Umbella ad 5-flora; pedicelli dense glandulosi. Calyx parvus ; lobi rotundati dense glandulosi. Corolla aperta campanulata ad 3 cm. longa saturate rosea extus intusque glabra ; lobi 5 lati subemarginati. Stamina 10 corolla gynae- ceoque breviora; filamenta glabra. Discus glaber. Ovarium dense glandulosum : stylus basi infima glandulosus corollam subaequans. Species Seriei Campylocarpi. ©
40 BALFOUR—RHODODENDRON :
Western Yunnan. N’Maikha-Salween divide. Forrest. 18,044. June IgrQ.
294.) Rhododendron desquamatum, Balf. f. et Forrest.
Frutex (vel arbor parva) ad 8 m. altus. Rami epilosi dense verruculoso-lepidoti. Folia subcoriacea petiolata ovalia vel oblongo-ovalia vel oblongo-lanceolata ad 10 cm. longa 4 cm. lata acuminata basi late obtusa; supra olivacea laevia esqua-
.mosa; subtus pallide fulva punctulatim lepidota; petiolus circ. 1.5 cm. longus lepidotus. Umbellae 4—5-florae terminales ; pedicelli circ. 1.5 cm. longi sigillatim lepidoti. Calyx parvus circ. 2 mm, longus extus lepidotus ; lobi rotundati vel subacuti. Corolla aperte campanulata saturate purpurea et maculata circ. 3.5 cm. longa 5-loba; tubus intus pilosus extus lepidotus
epilosus; lobi rotundati; stamina 10 inaequalia inclusa ; filamenta puberula. Gynaeceum staminibus multo longius corollamque superans ; ovarium imbricatim lepidotum epilosum ; stylus ruber glaber. Species Seriei Heliolepidis. . Yunnan. Shweli-Salween divide. Forrest. 15,761. July 1917. U6ar Rhododendron dichropeplum, Balf. f. et Forrest.
Frutex ad 4 m. altus. Rami crassi indumento griseo continuo laevi persistente demum nigrescente vestiti. Alabastra ut rami vestita ; perulae extimae longicaudatae, Folia coriacea oblonga nunc ovato-oblonga ad 12 cm. longa 4 cm. lata rostrato- mucronata, basi late obtusa vel subrotundata saepe obliqua ; supra olivacea in juventute albidc-floccosa adulta in modum squali corii rugulosa (costa media anguste sulcata) glabra nunc pilorum juvenilium vestigiis induta ; subtus ubique indumento unistrato granuloso haud agglutinato primo griseo postea ferru- gineo vestita; indumenti pili rosulati breviter ramosi (nunc longius) ramis latis vesiculosis haud intertextis ; petiolus ad 2 cm. longus ut rami vestitus. Umbella breviter racemosa ad 10-flora ; pedicelli post anthesin circ. 2.5 cm. longi. Calyx parvus; lobi 5 carnosuli plus minusve glandulosi et floccoso-fimbriati. Corolla circ. 3.5 cm. longa roseo-maculata intus glabra. Stamina corolla breviora; filamenta puberula. Discus puberulus. Ovarium glauco-purpureum glabrum ; stylus glaber. Species Seriei Lactei.
N.W. Yunnan. Mts. in N.E. of the Yangtze bend. Forrest. 10,612. July 1913.
ee Rhododendron dolerum, Balf. f. et Forrest.
Frutex circ. 1 m. altus. Rami primo stipitatim stnintslons sparsimque setuloso-glanalogs floccosi demum_ verruculosi.
SD
traf UG g>
DIAGNOSES SPECIERUM NOVARUM. 41
Folia chartacea elongato-ovalia nunc subobovalia ad 6.5 cm. longa (petiolo glanduloso purpureo ad 2.2 cm. longo incluso) 3 cm. lata, apice subrotundata vel obtusa rostratim apiculata, basi late obtusa vel rotundata; supra atro-olivacea nunc sub- purpurascentia glabra; subtus flavido-olivacea pilis brevibus sebaceis aurantiacis conspersa. Umbella 4-5-flora; pedicelli stipitatim glandulosi circ. 1.5 cm. longi. Calyx kermesinus ; lobi dense glandulosi majores circ. 3 mm. longi. Corolla rosea glabra varo angusto basali notata ad 3.5 cm. longa. Stamina longiora corollam subaequantia; filamenta puberula (pilis paucis vesiculosis nunc subnullis). Discus dense puberulus. Gynaeceum corolla sublongius; ovarium glandulosum (glan- dulis flavis longe stipitatis) nunc pilis floccosis etiam indutum ; stylus glaber. Species Seriei Selensis.
S.W. Szechwan. Mts. around Mu-li. Forrest. 16,318. June ror8.
~ Rhododendron dumosulum, Balf. f. et Forrest.
Frutex ad .5 m. altus parviflorus. Rami pauci crassiusculi lente crescentes ad 3 mm. diam. indumento tenui ferrugineo primo obtecti. Alabastra leviter pubescentia. Folia coriacea ad 8.5 cm. longa 1 cm. lata lanceolata obtusa revoluta basi rotundata; supra atroviridia glabra (costa media sulcata excepta) in modum squali corii rugulosa; subtus ferruginea indumento bistrato squarroso cinerascente persistente ex pilis rosulatis constructo vestita ; petiolus circ. 1 cm. longus fulvo- squameus. Umbella breviter racemosa 7-flora; pedicelli circ. 8mm. longi pubescentes. Calyx conspicuus dentibus 5 deltoideis I mm. longis floccoso-fimbriatis. Corolla oblique infundibuli- formis alba roseo-suffusa maculata ad 2 cm. longa intus puberula; lobi 5 lati emarginati. Stamina Io inaequalia corolla gynae- ceoque breviora ; filamenta puberula subglutinosa. Gynaeceum corolla paullo brevius ; ovarium 3 mm. longum; stylus glaber ; stigma lobulatum stylo latius. Species Rh. levistrato, Balf. £. et Forrest affinis.
Western N.W. Yunnan. Mekong-Salween divide. Forrest. 14,088. June rgt7.
Rhododendron duseimatum, Balf. f. et Forrest.
Frutex ad 1.5 m. altus. Rami tenues primo glandulosi et pilis sebaceis sparsim vestiti. Folia tenuiter coriacea oblonga vel anguste ovali-oblonga ad 11 cm. longa (petiolo glabrescente I.5 cm. incluso) 3m. lata utrinque subangustata, apice apiculata, basi late obtusa; supra atroviridia glabra; subtus olivaceo- brunnea indumento detersili tenui pilorum rosulatorum breviter ramosorum praedita. Umbella circ. ro-flora ; pedicelli sparsim
42 BALFOUR—RHODODENDRON :
floccosi ad 3 cm. longi. Calyx parvus ; lobi late ovati sparsim floccosi ciliati. Corolla pallide rosea emaculata sed varo angusto kermesino notata campanulata ad 4 cm. longa glabra. Stamina corolla multo breviora; filamenta puberula. Discus sub ovario dense puberulus. Gynaeceum corollam fere aequans ; ovarium dense floccosum (pilis sebaceis) et sparsim glandulosum ; stylus glaber. Species Seriei Selensis indumento rosulato distinguenda.
S.E. Tibet. Doker-la. Mekong-Salween divide. Forrest. 14,464. July 1917.
UL9 Rhododendron emaculatum, Balf. f. et Forrest.
Frutex ad 2.5 m. altus. Rami albido-floccosi glabrescentes. Perulae floccosae plus minusve persistentes. Folia coriacea patentia haud deflexa oblanceolata vel anguste oblongo-ovalia ad 12 cm. longa (petiolo incluso) 3.5 cm. lata, rostrato-mucronata, basi obtusa; supra olivacea in modum squali corii rugulosa glabrescentia vestigiis pilorum juvenilium sparse induta ; subtus sordide grisea (costa media rubro-tincta elevata sparsim floccosa venisque primariis utrinsecus circ. 12 leviter prominulis) in- dumento laevi scintillante persistente unistrato e pilis rosulatis breviter ramosis haud intertextis aedificato vestita; petiolus tenuis ad 1.5 cm. longus floccoso-glabrescens. Umbella breviter racemosa circ. 8-flora; bracteae sericeae; bracteolae subulatae circ. 6 mm. longae puberulae ; pedicelli ad 2 cm. longi floccosi. Calyx parvus ; lobicarnosulisparsim floccoso-fimbriati. Corolla saturate rosea emaculata obliqua campanulata tenuis ad 4 cm. longa intus glabra; lobi lati emarginati. Stamina Io inaequalia corolla gynaeceoque breviora; filamenta fere glabra. Discus glaber. Gynaeceum corolla paullo brevius ; ovarium dense floccoso-tomentosum; stylus glaber. Species Rh. Beesiano, Diels arcte affinis.
S.E. Tibet. Tsarong. Doker-la. Forrest. 14,352. July I9QI7.
Way Rhododendron esetulosum, Balf. f. et Forrest.
Frutex ad 1.5 cm. altus. Rami crassi glandulosi esetulosi. Folia coriacea oblonga vel ovali-oblonga ad 11 cm. longa 3.5 cm. lata, apice rostrato-apiculata, basi rotundata ; supra atroviridia glabra subrugulosa; subtus pallide fulva indumento tenui detersili pilorum rosulatorum deliquescentium vestita ; petiolus ad 2.3 cm. longus glabrescens (juventute glandulosus et floccosus). Umbella breviter racemosa ad 10-flora; pedicelli circ. 2 cm. longi (sub fructu aucti). Calyx foliaceus 5-partitus; cupula glandulosa; lobi inaequales erubescentes ad 7 mm. longi ovales glanduloso-ciliati dorso sparsim glandulosi. Corolla in- fundibuliformi-campanulata ad 4 cm. longa flavido-alba roseo-
DIAGNOSES SPECIERUM NOVARUM. 43
suffusa kermesino-maculata glabra 5-loba ; lobi lati. Stamina corolla breviora ; filamenta puberula. Discus minute puberulus. Gynaeceum corolla brevius; ovarium glandulosum; stylus ad medium vel ultra glandulosus. Species RA. setiferae, Balf. f. et Forrest in Serie Souliei affinis.
Eastern N.W. Yunnan. Mts. N.E. of Chungtien. Forrest. 16,581. July 1918.
2 Rhododendron eucallum, Balf. f. et Forrest.
o> A »
Frutex virgatus ad 2.5 m. altus. Rami tenues primo glandulosi demum glabri. Folia tenuiter coriacea ovalia ad I1 cm. longa 4.5 cm. lata mucronulato-apiculata, basi subcordulata ; supra atro-olivacea glabra ; subtus pallide olivacea pilis sebaceis brevibus aurantiacis copiose vestita ; petiolus ad 2 cm. longus sparsim glandulosus. Umbella 4~—5-flora ; pedicelli tenues di- varicati circ. 2 cm. longi glandulosi. Calyx circ. 4 mm. longus 5-partitus; cupula atro-purpurea glandulosa; lobi virides oblongi apice rotundati glandulosi. Corolla alba aperta circ. 4 cm. longa glabra emaculata; lobi 5 late rotundati. Stamina corolla breviora ; filamenta puberula. Discus puberulus. Gynaeceum corolla paullo brevius ; ovarium dense glandulosum ; stylus in triente infimo glandulosus. Species ex affinitate Rh. cymbo- cit gel Balf. f. et Forrest.
Yunnan. Bei-ma-Shan. Forrest. 13,938. June ay 11.99 Rhododendron euchaites, Balf. f. et Forrest.
Frutex ad 1.5 m. altus. Rami subtenues indumenti cinerei vestigiis plus minusve praediti glabrescentes. Folia petiolata ad 10 cm. longa; lamina coriacea oblonga vel oblongo-ovalis saepe supra medium paullo latior ad 8.5 cm. longa 2.5 cm. lata, apice rotundata mucrone conspicuo subrostratim apiculata, margine plana, basi late obtusa vel subrotundata ; supra atro- olivacea glabra laevis, costa media anguste sulcata, venis primariis utrinsecus ad 10 occultis; subtus glauca roseo-suffusa ubique papillis epidermicis ceriferis baculiformibus contiguis notata, venis primariis sepultis, costa media rubra elevata floccis © albidis brevibus plus minusve induta; petiolus ad 1.5 cm. longus atro-purpureus ut rami vestitus. Umbella ad 8-flora ; pedicelli breves circ. 7 mm. longi indumento subfulvo floccoso omnino involuti sub calyce expansi. Calyx ruber ad I cm. longus sed variabilis plerumque brevior membranaceus demum declinatus saepe deciduus nunc dimidiatus et irregulariter acuteque lobatus nunc partitus lobis inaequalibus sparsim ciliatis. Corolla tubuloso-campanulata ad 4 cm. longa laete kermesina 5-loba basi 5-gibbosa et variculata glabra; lobi
44 BALFOUR—RHODODENDRON :
rotundati emarginati. Stamina 10 inaequalia corolla gynae- ceoque paullo breviora; filamenta glabra. Discus glaber. Gynaeceum corollam aequans vel ea paullo longius ; ovarium angustum conoideum pilis floccosis subfulvidis lanato-tomen- tosum ; stylus basi sparsim floccosus. Capsula curvata ad 2.5 cm. longa 4 mm. lata. Species ex affinitate Rh. neriiflort, Franch. regionem inter flumina Shweli et Salween incolens.
Western Yunnan. Shweli-Salween divide. Forrest. 12,125. June 1913.
Frutex. Rami subcrassi dense tomentosi. Folia petiolata ad 10.5 cm. longa; lamina oblongo-ovalis vel paullo obovalis breviter rostrata paullo recurva, basi paullo rotundata ; supra atro-viridis laevis minute papulosa opaca, costa media puberula ; subtus brunnea indumento denso e pilis longis ramosissimis intertextis ubique obtecta ; petiolus circ. 8 mm. longus. Umbella circ. 10-flora ; bracteae sericeae ; bracteolae pedicellis breviores ; pedicelli circ. 2 cm. longi dense floccosi et glandulosi. Calyx circ. I cm. longus 5-partitus; cupula ut pedicelli floccoso- glandulosa ; lobi oblongo-ovales vel obovales nunc inaequales submembranacei ochracei 4 mm. lati extus glabri margine floccoso-glandulosi. Corolla infundibuliformi-campanulata circ. 4 cm. longa 5-loba ; lobi breves rotundati emarginati. Stamina Io gynaeceo multo breviora ; filamenta puberula. Gynaeceum corolla brevius ; ovarium breve dense tomentoso-glandulosum ; stylus glaber. Species ad Rh. Faberii, Hemsl. spectans.
Western Szechwan. Wilson. 3436. June 1908. In Herb. Kew.
42>| Rhododendron fissotectum, Balf. f. et Forrest.
Frutex ad 2 m. altus. Rami breves crassi primo floccosi demum rubro-purpurei glabrescentes. Folia petiolata ad 6 cm. (vel ultra) longa; lamina coriacea ovalis vel oblongo-ovalis ad 3 cm.-lata mucronato-apiculata, margine recurva, basi cordulata vel rotundata ; supra atroviridis opaca primo dense floccoso-tomentosa demum glabra (costa media excepta)
. ,
subtus ubique fulva indumento crasso bistrato venas occludente vestita, strati superi pilis crassis multiramosis superficiem
cs
DIAGNOSES SPECIERUM NOVARUM. 45
sub ovario minute puberulus. Gynaeceum stamina subaequans ; ovarium glabrum minute papillatum atro-purpureum (in sicci- tate) ; stylus validus glaber. Capsula vix 2 cm. longa glabra purpurea. Semina oblonga complanata oe exarillata. Species in Seriem Taliensem forsan ponenda
Western N.W. Yunnan. Mts. W. of Atuntzi. Forrest. 14,049. June 1917.
) Rhododendron fulvastrum, Balf. f. et Forrest.
Frutex nanus ad .5 m. altus. Rami nodulati juveniles indu- mento tenui pilorum rosulatorum intertextorum et glandulis paucis longis induti. Perulae fugitivae. Folia petiolata ad 6.5 cm. longa; lamina oblongo-ovalis saepe curvata obtusa minute mucronulata, margine paullo recurvata, basi obtusa : supra viridis glabra laevis ; subtus subfulvida indumento tenui e pilis rosulatis longe ramulosis constructo laxe vestita, costa media elevata erubescente, venis primariis ad 10 vix visis : petiolus circ. 5 mm. longus ut rami vestitus. Umbella ad 4-flora ; pedicelli ad 2 cm. longi sebaceo-floccosi glandulosi. Calyx ad 4 mm. longus extus glaber; lobi 5 rotundati membranacei flavidi cupulam aequantes brevissime et sparsim floccoso-ciliati. Corolla campanulata pallide flava ad 3.5 cm. longa 5-loba glabra ; lobi rotundati emarginati. Stamina 10 inaequalia, longiora stylum aequantia ; filamenta glabra. Discus glaber. Gynae- ceum corolla multo brevius; ovarium pilis fasciatis dense tomentosum eglandulosum; stylus glaber. Species Seriei Sanguinei.
S.E. Tibet. Tsarong. Kiu-chiang divide. Forrest. 19,023. July rgro9.
2 Rhododendron glaphyrum, Balf. f. et Forrest.
Frutex ad .5 m. altus. Rami tenues plus minusve nodulati indumenti vestigiis floccosis griseis notata et glandulis sub- setulosis vestita. Perulae fugitivae. Folia subsessilia circ. 5 cm. longa; lamina coriacea ovalis, apice rotundata vel late obtusa apiculato-mucronulata, margine fere plana, basi rotun- data; supra atro-olivacea glabra laevis, costa media rubida sulcata, venis primariis utrinsecus ad Io impressis; subtus griseo-viridis vel subfulvido-viridis (costa media et venis pri- mariis elevatis rubidis) venularum ultimo reticulo caeruleo-nigro (sub strato papillarum ceriferarum epidermicarum superficiali) notata glabra nunc hic et illic vestigia albida vel rufescentia indumenti detersilis gerens ; petiolus subnullus vel 1-2 mm. longus et ut rami vestitus. Umbella ad 4-flora; pedicelli ad 2 cm. longi pilis breviter setulosis rufescentibus glutinosis et glandulis setulosis paucis vestiti. Calyx subfoliaceus roseo-
46 BALFOUR—RHODODENDRON :
suffusus 6 mm. longus 5-partitus ; lobi inaequales membranacei deinde recurvi glabri (margine glanduloso-ciliato excepto). Corolla roseo-suffusa et -marginata campanulata ad 4 cm. longa ; lobi rotundati emarginati. Stamina Io inaequalia gynaeceo breviora; filamenta glabra. Gynaeceum corolla brevius ; ovarium pilis sebaceis fasciatis ascendentibus tomentosum eglandulosum ; stylus glaber. Species Seriei Sanguinei.
S.E. Tibet. Tsarong. Salween—Kiu-chiang divide. Forrest. 18,936. July 1919.
YU oYRhododendron glauco-aureum, Balf. £. et Forrest.
Fruticulus parvifolius intricato-ramosus ad 20 dm. altus, Ramuli rufi estrigillosi squamis peltatis carnosulis sessilibus et stipitatis plus minusve induti, vetustiores cinerei verruculosi. olia per annum persistentia breviter petiolata circ. 1.5 cm. longa ; lamina coriacea ovalis vel elliptica ad 7 mm. lata vel minor, apice rotundata tuberculato-mucronata, margine recurva undulata squamis carnosulis impressis decorata, basi in petiolum attenuata; supra olivacea demum purpurascens glabra sed squamis vestigialibus distantibus impressis saepe nigris obscure notata, costa media sulcata; subtus primo papillis epider- micis ceriferis contiguis glauca hic et illic squamis peltatis carnosulis notata demum aurantiaca esquamata, costa media elevata squamis carnosulis conspersa nunc glabrescente ; petiolus ad 2 mm. longus ut rami vestitus. Flos solitarius terminalis nutans; pedicelli ad 3 cm. longi purpureo-colorati squamis carnosulis conspersi ad verticem expansi et reflexi. Calyx circ. 5 mm. longus 5-partitus; cupula carnosula atro-sanguinea ; lobi elliptici flavido-virides adpressi glabri margine pilis rectis minutissimis ciliato excepto. Corolla campanulata pallide roseo-purpurea carnosula circ. 1.7 cm. longa intus puberula ad medium 5-lobata; lobi oblongo-obovati. Stamina Io subaequalia alternatim paullo longiora circ. 1 cm. longa ; filamenta basi nuda sursum fere ad antheras villosula. Gynaeceum corollam aequans ; ovarium ovoideum circ. 3 mm. longum squamis glandulosis plus minusve Stipitatis vestitum ; stylus glaber rectus sub stigmate lobulato expansus. Species ex phylo Rh. campylogyni, Franch. Western Yunnan. Shweli-Salween divide. Forrest. 17,544.
July 1918.
isis Rhododendron glaucopeplum, Balt. f. et Forrest.
Frutex ad 2.5 m. altus RA. Balfouriani, Diels aspectu sed calyce parvulo longe Separatur. Rami robusti glabri. Ala- bastra pubescentia. Folia coriacea ovalia vel oblongo-ovalia
ir e YU iP a iol
rant)
DIAGNOSES SPECIERUM NOVARUM. 47
ad 10 cm. longa 3.5 cm. lata, acuta mucronulata, basi cordulata : supra glabra (costa media sulcata floccosa excepta) olivacea in modum squali corii rugulosa ; subtus grisea (costa media nunc rubescente elevata) indumenti pellicula bistrata agglutinata tenui scintillante persistente e pilis crasse stipitatis longis multi- ramosis intricatim intertextis et pilis brevibus rosuldtis con- structa vestita ; petiolus glabrescens saepe flavidus circ. I cm. longus. Umbella racemosa circ. 10-flora rhachi brevi glabra; bracteolae pedicello multo breviores ; pedicelli glaberrimi circ. 1.5 cm. longi. Calyx parvulus glaber. Corolla obliqua infundi- buliformi-campanulata rosea et dense roseo-maculata circ. 3.5 cm. longa intus puberula; lobi lati rotundati emarginati. Stamina 10 inaequalia corolla fere dimidio breviora ; filamenta pubescentia. Discus minute puberulus. Gynaeceum corolla paullo (5 mm.) brevius ; ovarium conoideum truncatum glabrum minute papillatum; stylus glaber. Species ex affinitate Rh. sigillati, Balf. f. et Forrest.
Western N.W. Yunnan. Mekong-Salween divide. Forrest. 14,133. July 1917. : Rhododendron gymnogynum, Balf. f. et Forrest.
Frutex ad 13 m. altus. Ramuli juveniles crassiusculi pilis floccosis sebaceis rufescentibus plus minusve vestiti glabrescentes. Perulae eglandulosae. Folia petiolata ad 9.5 cm, longa adventu novellorum decidua ; lamina rigida coriacea oblonga vel oblongo- Ovalis vel anguste obovalis, apice lata acutiuscula breviter rostrato-mucronulata, margine recurva, basi obtusa; supra olivacea laevis glabra costa media anguste sulcata, venis primariis utrinsecus ad 24 pinnatim patentibus obscure sulcatis ; subtus grisea ubique papillis epidermicis ceriferis haud omnino contiguis induta, costa media elevata erubescente epapillata floccorum vestigiis (praecipue ad latera) sparsissime praedita, venis primariis sulcatis conspicuis ; petiolus atro-purpureus ad 1.5 cm. longus ut rami vestitus. Umbella racemosa circ. to-flora rhachi circ. 1.2 cm. longa cum pedicellis brevibus circ. 6 mm. longis rufo-floccosa et setuloso-glandulosa. Calyx parvus carnosulus atro-kermesinus glaber ; lobi 7 deltoidei aurantiaci circ. r mm. longi. Corolla carnosula kermesina pauci-maculata oblique campanulata postice ad 3 cm. longa antice vix 2.5 cm 7-loba basi gibbosa ibique intensius colorata glabra; lobi rotundati emarginati. Stamina 14 circ. 2.7 cm. longa corolla multo breviora ; filamenta glabra. Discus glaber. Gynaeceum circ. 3.5 cm. longum corollam aequans ; ovarium cylindricum truncatum circ. 5 mm. longum laeve glabrum ; stylus glaber.
Western Yunnan. Shweli-Salween divide. Forrest. 17,495. May 1018.
48 BALFOUR+RHODODENDRON :
259 Rhododendron heptamerum, Balf. f.
{40%
2
Arbor parva ad 6 m. alta. Rami crassi. Ramuli annotini glabrisubnitidi. Alabastraoblongacylindrica; perulae exteriores crustaceae viscidae. Folia ad 14 cm. longa 3.5 cm. lata coriacea oblonga, apice rotundata mucronata, margine undulata plus minusve asperata, basi obtusa vel cuneata; supra opaca olivacea glabra; subtus glauca papillis epidermicis conspicuis dense vestita, costa media prominula, venis primariis plurimis pinnatim patulis ; petiolus circ. 2 cm. longus glaber rugosus. Umbella racemosa circ. 14-flora ; bracteae intimae rubrae mem- branaceae oblongo-spathulatae circ. 3 cm. longae utrinque sericeae; bracteolae pedicellis aequilongae pilo-cristatae ; pedicelli vix 1 cm. longi plus minusve floccosi glabrescentes. Calyx parvus glaber. Corolla tubuloso-campanulata kermesina postice varo basali praedita emaculata ; tubus basi gibbosus ; lobi 7 emarginati circ. 1 cm. longi 1.5 cm. lati. Stamina 14 inaequalia gynaeceo breviora; filamenta glabra. Discus glaber. Gynaeceum corolla paullo brevius ; ovarium glabrum vel floccis
‘paucis conspersum ; stylus glaber stigma parvum discoideum
gerens. Species Seriei lrrorati. N.E. Upper Burma. Above Hpimaw. Farrer. 814. Forrest. 17,827. t1th April rgrg.
Rhododendron himertum, Bali. f. et Forrest. Frutex parvus. Rami nodulati vestigiis indumenti tenuis
floccosi adpressis griseis notati. Perulae fugitivae. Folia
petiolata ad 6 cm. longa ; lamina coriacea anguste obovalis vel subovalis saepe curvata ad 5.5 cm. longa 2 cm. lata obtusa breviter apiculatim mucronata, margine paullo recurva, deorsum subattenuata, basi obtusa plerumque obliqua; supra olivacea, adulta glabra; subtus albida subtiliter roseo-suffusa (costa media elevata rubescente, venis primariis circ. 8-10 basim versus
aullo elevatis et rubescentibus sursum occultis) indumento bistrato albido alveolato obtecta pilis rosulatis strati superi laxi longiramosis plus minusve detersilibus inferi breviramosis ; petiolus circ. 5 mm. longus ut rami vestitus. Umbella plerumque 4-flora; pedicelli ad 1.5 cm. longi dense floccoso-tomentosi eglandulosi. Calyx ad 4 cm. longus lanato-tomentosus ; lobi semilunati virides circ. 2 cm. longi floccoso-ciliati. Corolla campanulata vix 3 cm. longa lutea 5-loba; lobi rotundati emarginati. Stamina Io inaequalia corolla et gynaeceo multo breviora ; filamenta glabra. Discusglaber. Gynaeceum corolla paullo brevius; ovarium dense floccoso-tomentosum eglandu- losum ; stylus glaber. Species Seriei Sa: ei.
S.E. Tibet. Tsarong. Forrest. 16,728. July ro18.
DIAGNOSES SPECIERUM NovaARUM. 49
9 Rhododendron iodes, Balf. f. et Forrest.
Frutex ad 2.5 m. altus. Rami robusti eperulati annotini ad 7 mm. diam. dense ferrugineo-tomentosi tomento bistrato per- sistente. Perulae extimae crustaceae late ovatae acuminatae vel caudatae carinatae apice recurvae dense ferrugineo-tomen- tosae ; intermediae latiores tenuiores obovatae vel late ovatae vel subspathulatae circ. 1 cm. longae 7 mm. latae apice rotun- datae vel subtruncatae apiculatae extus pilis sebaceis ferru- gineis pubescentes, margine ciliatae apiculo omnino tomentoso ; intimae membranaceae flavidae elongato-spathulatae circ. 2.5 cm. longae 4 mm. latae acutae ciliatae et extus plus minusve puberulae ; folia juvenilia involuta utrinque dense tomentosa supra pilis albidis detersilibus. Folia petiolata ad 13 cm. longa ; lamina crasse coriacea lanceolata nunc oblanceolata ad 11 cm. longa 2.5 cm. lata utrinque attenuata, acuta hydathodo tuber- culato sessili terminata, margine revoluta, basi longe .cuneata ; supra (siccitate) purpurascens nitens glabra (costa media anguste sulcata floccis paucis marcidis conspersa excepta) venis primariis utrinsecus circ. 15 vix conspicuis ; subtus ferruginea omnino (costa media elevata inclusa) indumento bistrato per-
nata; pili strati superi rosulati ramis longis latis secretione ferruginea impletis intricato-intertextis, rosulae strati inferi ramos breves paucos albidos gerentes ; petiolus ad 2 cm. longus supra sulcatus omnino ferrugineo-tomentosus. Umbella race- mosa 10-12-flora, rhachi ad 1 cm. longa plus minusve tomentosa : bracteolae filiformes circ. 8 mm. longae pedicellis breviores ubique pilosae apice pilo-cristatae; pedicelli rigidi circ. 1.5 cm. longi dense floccosi apice incrassati paullo obliqui. Calyx minutus ; lobi 5 rotundati floccoso-fimbriati. Corolla alba tubro-maculata paullo obliqua infundibuliformi-campanulata circ. 3.5 cm. longa extus intusque glabra 5-loba; lobi lati circ. 1.5 cm. longi 2 cm. lati subundulati emarginati. Stamina Io inaequalia corolla multo breviora, longiora circ. 2 cm. longa brevissima 1.2 cm.; filamenta basi paullo dilatata tenuiter
catum vix sulcatum circ. 5 mm. longum sparsim floccosum ; Stylus glaber sub stigmate parvo lobulato vix expansus. Capsula cylindrica recta circ. 1.7 cm. longa 7 mm. lata glabra sulcata
plus minusve purpurascens ab apice valvis 5 dehiscens. Semina _
pallide brunnea oblonga subcomplanata striata circ. 2 mm. longa vix I mm. lata ala angusta unilaterali praedita, extremitate ~ chalazali angusta haud arillata, funiculari fimbria parva cincta. Species ad vicinitatem Seriei Taliensis forsan referenda.
D .
50 BALFOUR—-RHODODENDRON :
S.E. Tibet. Tsarong. On Doker-la. Forrest. 16,745. July—Aug. 1918,
|) Rhododendron keleticum, Balf. f. et Forrest.
Frutex parvifolius semiprostratus circ. 1.5 dm. altus multi- ramosus. Rami tenues (ultimi circ. 1.5 mm. diam.) perulati verruculoso-lepidoti estrigillosi. Folia breviter petiolata ad 2 cm. longa sed plerumque breviora circ. I cm. ; lamina coriacea oblongo-ovalis vel ovalis vel oblonga ad 6 mm. lata, apice obtusa vel rotundata prominenter mucronulata, margine recurva pilis remotis albidis tenuibus plus minusve detersilibus ciliata, basi obtusa vel subcuneata ; supra perviridis nitens rugulosa squamis obscuris vestigialiter lepidota, costa media sulcata puberula, venis primariis occultis ; subtus primo grisea deinde brunneo- ferruginea imbricatim lepidota (costa media elevata substraminea squamis paucis conspersa) obscure fulvido-punctulata squamis magnis paucioribus aequaliter distributis ; petiolus circ. 2 mm. longus ut rami vestitus, Flos solitarius terminalis ; pedicelli basi sub anthesi bracteis cincti erectisquamis albidis inaequalibus et pilis simplicibus paucis conspersi sub calyce expansi. Calyx ruber 5-partitus circ. 6 mm. longus; cupula atro-kermesina carnosula glabra vel squamis paucis maculata ; lobi ovati vel oblongo-ovati acuti vel obtusi extus glabri nunc ad lineam mediam sparsim lepidoti sed haud puberuli margine pilis longis rubro-tinctis ciliati, Corolla purpureo-kermesina maculata aperta vix 2 cm, longa extus pilosa et lepidota intus basi puberula; lobi ovales plus minusve crenulati, Stamina I0 corolla gynaeceoque breviora; filamenta purpurea supra basim glabram pilis brevibus villosula. Discus viridis puberulus. Gynaeceum corolla paullo brevius ; ovarium parvum petasiforme vix 2 mm. longum squamis peltatis viridibus imbricatim indutum ; stylus glaber. Species Seriei Saluenensis,
S.E. Tibet. Tsarong. Salween—Kiu-chiang divide. Forrest. 18,918. Aug, I9I9.
WX Rhododendron laxiflorum, Balf. f. et Forrest.
Frutex ad 6 m. altus. Rami tenues virgati late patentes glandulosi demum verruculosi. Folia petiolata tenuiter coriacea lanceolata vel anguste oblongo-ovalia ad 15 cm. longa 4.5 cm. lata utrinque paullo attenuata, apice breviter mucronulato- apiculata, margine cartilaginea subasperata, basi obtusa vel subcuneata saepe inaequalia; supra pallide viridia opaca laevia glabra sed in sulco costae mediae et caeteroquin pilis marcidis et pedibus glandularum plus minusve notata, venis primariis occultis utrinsecus ad 16; subtus pallidiora reti
-venularum indistincto ubique rubro-punctulata, costa media
DIAGNOSES SPECIERUM NovaARuUM., 51
elevata; petiolus circ. 1.5 cm. longus glandulosus, Umbella racemosa laxa ad 12-flora rhachi viridi glabra ad x cm. longa ; pedicelli 2-3 cm. longi stricti glandulosi. Calyx minutus ; lobi rotundati glandulosi. Corolla puralba nunc extus roseo-suftusa aperte campanulata ad 4 cm. longa extus intusque glabra 5-loba ; lobi subelliptici emarginati. Stamina 10 inaequalia corolla Synaeceoque breviora; filamenta basi glandulosa. Discus glaber. Gynaeceum corollam subaequans; ovarium conoideum dense glandulosum glandulis stipitatis ; stylus ex toto glandu- losus. Species Seriei Irrorati.
Western Yunnan. Shweli-Salween divide. Forrest. 17,953. May rog19.
&
\\ Rhododendron mannophorum, Balf. f. et Forrest.
Frutex ad .5 m. altus erecto-ramosus. Rami tenues glabri sed vestigiis indumenti juvenilis albidis plus minusve induti. Perulae per annum unum plus minusve persistentes. Folia breviter petiolata ad 6.5 cm. longa; lamina coriacea oblonga vel oblanceolata vix 6 cm. longa ad 1.7 cm. lata utrinque sub- attenuata, apice obtusa vel acuta, margine paullo recurva, basi obtusa ; supra pallide olivacea glabra laevis, costa media sulcata, venis primariis utrinsecus circ. ad 7 occultis ; subtus albido- grisea (costa media suberubescente elevata, venis primariis indumento indutis nunc elevatis) indumento persistente e pilis crasse stipitatis longiramosis et pilis rosulatis breviramosis constructo superficiem subalveolatam nunc subagglutinatam scintillantem fingente vestita; petiolus ad 5 mm. longus ut rami vestitus. Umbella ad 6-flora; pedicelli validi laxe setuloso-glandulosi. Calyx magnus foliaceus inaequaliter 5- partitus flavidus (?) roseotinctus circ. 1 cm. longus; lobi mem- branacei ampli subintegri vel lobati late cucullati demum deflexi persistentes dorsc ventreque glabri margine sebaceo-ciliati. Corolla campanulata circ. 3.5 cm. longa alba roseo-suffusa et -marginata 5-loba; lobi rotundati emarginati. Stamina sub- aequalia Io corolla et gynaeceo multo breviora; filamenta villosula pilis tenuibus.' Discus glaber. Gynaeceum corollam sub- aequans ; ovarium 5-sulcatum glandulis breviter stipitatis aurantiacis (nunc pilis fasciatis intermixtis) ad juga dense vestitum ad sulcos nudum; stylus glaber. Species Seriei Sanguinei,
S.E, Tibet. Tsarong. Salween—Kiu-chiang divide. Forrest. 19,163. July ror9.
Wy Rhododendron mesopolium, Balf. f. et Forrest. Frutex ad .5 m. altus. Rami nodulati, annotini glabre- scentes vestigiis indumenti juvenilis albidis notati et pediculis
44 \b
52 - BALFOUR—RHODODENDRON :
siccis glandularum facie setuliformibus sparsissime conspersi. Perulae fugitivae. Folia petiolata ad 6.5 cm. longa; lamina oblonga vel angustissime obovata ad 6 cm. longa 2 cm. lata, apice rotundata vel late obtusa apiculato-mucronata, margine: vix recurva, basi obtusa saepe inaequalis ; supra olivacea glabra opaca, costa media venisque primariis utrinsecus circ, 11 sulcatis ; subtus brunneo-grisea quasi punctulata indumento tenui arach- noideo praedita, venis primariis erubescentibus ; petiolus circ. 5 mm. longus ut rami indutus. Umbella 2-4-flora ; pedicelli vix 1.5 cm. longi floccosi glandulosi glandulis longe stipitatis. Calyx ad 4 mm. longus ; lobi ovales obtusi flavido-virides sub- membranacei recurvi glabri (margine breviter sebaceo-ciliato excepto). Corolla pallide rosea campanulata circ. 3 cm. longa glabra; lobi rotundati emarginati. Stamina 10 inaequalia corolla paullo breviora gynaeceum subaequantia; filamenta puberula. Discus glaber. Gynaeceum corolla paullo brevius ; ovarium pilis ascendentibus longis ramosis dense obtectum ; stylus glaber. Species Seriei Sanguinei.
S.E. Tibet. Tsarong. Doker-la. Forrest. 16,751. July- Aug. 1918.
Rhododendron metrium, Balf. ft. et Forrest.
Frutex ad 1.5 m. altus. Rami tenues primo glandulosi et pilis sebaceis dense vestiti. Folia tenuiter coriacea ovalia ad 8 cm. longa (petiolo ad 1.5 cm. longo glanduloso et floccoso incluso) apice rotundata apiculata, basi lata obtusa vel sub- rotundata ; supra atro-olivacea glabra ; subtus olivacea pilis sebaceis aurantiacis et glandularum vestigiis conspersa. Umbella circ. 5-flora; pedicelli glandulosi circ. 1.2 ‘cm. longi. Calyx parvus ; lobi breves atro-kermesini carnosuli rotundati dense glandulosi. Corolla alba emaculata glabra infundibuliformi- eampanulata ad 3.5 cm. longa. Stamina corolla breviora; filamenta glabra. Discus glaber. Gynaeceum corollam sub- aequans; oOvarium sparsim glandulosum et floccosum ; stylus glaber. Species Seriei Selensis.
S.E. Tibet. Doker-la. Forrest. 16,679. July 1918.
uy Rhododendron myiagrum, Balf. i. et Forrest.
Species parva vix 1.5 m. alta. Folia orbicularia basi late rotundata subcordulata; subtus purpurascenti-glauca rubro- punctulata ; petiolus ad 2 cm. longus verruculosus nunc glandulis marcidis paucis conspersus. Umbella 4~5-flora; pedicelli ad 2 cm. longi esetulosi dense glanduliferi glandulis brevi-stipitatis. Calycis lobi ubique glandulosi. Corolla alba intus glabra. Staminum filamenta glabra. Species Rh. jucundo, Balf. f. et
Selensi similis.
W. W. ‘Sm. e Serie
ilo
*
DIAGNOSES SPECIERUM NOVARUM. 53
Western Yunnan. N’Maikha-Salween divide. Forrest. 17,993. June Igig.
, Rhododendron nanothamnum, Balf. f. et Forrest.
Frutex vix I m. altus. Rami stricti tenues primo sebaceo- floccosi mox (annotini) glabri. Folia chartacea oblongo-ovalia nunc angusto-obovalia ad 7.5 cm. longa (petiolo atro-kermesino ruguloso vestigialiter floccoso ad 1.5 cm. longo incluso) 3 cm. lata, apice obtusa mucronato-apiculata, basi obtusa vel leviter rotundata nec cordulata; supra purpurea nitida glaberrima ; subtus purpureo-glauca pilis caulifloris aurantiacis inter papillas ceriferas conspersa. Umbella 6-8-flora; pedicelli vix 2 cm. longi glandulis brevibus et floccis vestiti. Calyx brevis 5- dentatus dense glandulosus. Corolla aperte campanulata circ. 3 cm. longa flavido-alba extus leviter pallide roseo-suffusa et intus varo parvo kermesino notata. Stamina corolla multo breviora; filamenta puberula. Discus minute puberulus. Gynaeceum corolla paullo brevius ; ovarium ad juga glandulo- sum; stylus glaber. In Seriem Selensem ponenda.
.E. Tibet. Tsarong. Salween—Kiu-chiang divide. Forrest. 19,019. July 1919. Rhododendron nebrites, Balf. f. et Forrest.
Frutex ad 1 m. altus. Rami tenues eglandulosi vestigiis indumenti floccosi albidis plus minusve notati. Perulae per annum unum persistentes. Folia petiolata ad 6 cm. longa; lamina elongato-obovalis deorsum cibabcliiita: apice rotundata vel late obtusa nunc retusa mucronata, margine exigue recurva, basi obtusa ; supra perviridis glabra laevis costa media angusta sulcata venisque primariis utrinsecus circ. 8 vix conspicuis ; subtus subcervina (costa media et venis primariis elevatis flavido-griseis) indumento bistrato e pilis crasse stipitatis longe ramosis intricatim intertextis et pilis rosulatis brevi-ramosis constructo superficiem opacam sublanatam subalveolarem fingente vestita ; petiolus brevis ad 5 mm. longus nunc subnullus ut rami vestitus. Umbella ad 6-flora ; pedicelli ad 3 cm. longi sebacei-floccosi eglandulosi. Calyx parvus circ. 1.5 mm. longus carnosulus ; cupula undulatim 5-loba; lobi semilunati vel late Ovati margine floccoso-ciliati dorso puberuli. Corolla campanu- lata pallide citrina ad 3.5 cm. longa 5-loba; lobi rotundati emarginati. Stamina ro inaequalia longiora stylum aequantia ; filamenta sparsim apd incon Discus glaber. Gynae-
ceum corolla paullo brevius; ovarium pilis longis fasciatis glutinosis vestitum eglandulosum ; stylus glaber. Species Seriei anguinei.
S.E. Tibet. Tsarong. Salween—Kiu-chiang divide. Forrest. 19,153. July 1919.
54 BALFOUR—RHODODENDRON :
Rhododendron oreinum, Balf. f.
Frutex nanus copiose ramosus. Ramuli hornotini breves ascendentes subintricati. Ramuli annotini circ. I mm. diam. indumento congesto squamarum peltatarum plus minusve rufo- scintillante induti, seniores nigricantes tandem grisei et decorti- cantes. Alabastra foliaria ovoidea ; perulae paucae exteriores ochraceo-fulvae ellipticae vel late ovatae obtusae carinatae dorso lepidotae ciliatae, interiores spathulatae membranaceae 3 mm. longae 1.5 mm. latae dorso lepidotae et puberulae apice rotun- datae longe ciliatae. Folia petiolata ad r cm. longa; lamina crasse coriacea oblongo-ovalis vel ovata vel subelliptica rarissime subovata ad 8 mm. longa (saepe minor) ad 3.5 mm. lata, apice obtusa nunc rotundata haud mucronulata, margine paullo recurvata, basi obtusa vel late obtusa nec cuneata; supra atroviridis opaca omnino confertim lepidota, squamis plus minusve arescentibus contiguis ex umbone lato secretione citrina impleto plus minusve scintillante et instita aequilata integra membranacea alba constructis, costa media vix sulcata 5 subtus pallidior flavescenti-cinerea brunneo-punctulata, indu- mento bicolorato densissime lepidoto e squamis contiguis plurimis flavescentibus aureo-annulatis et paucioribus majoribus con- spersis secretione rufa scintillante plenis composito ; petiolus I-2 mm. longus ut rami lepidotus. Flores fere sessiles per paria (nunc singulatim) ad apicem ramulorum orientes; bracteae sub anthesi plus minusve persistentes, intimae membranaceae oblongae vel obovatae dorso apicem versus lepidotae apice lanato-ciliatae. Calyx ad 2 mm. longus 5-partitus; cupula extus dense lepidota ; lobi inaequales ochraceo-fulvi vel pallide rosei dorso puberuli nec (nisi rarissime) lepidoti ciliati, lobo maximo oblongo obtuso circ. 1.5 mm. longo lobum minimum rotundatum dimidio superante. Corolla rosea circ. I cm. longa extus epilosa elepidota ; tubus campanulatus circ. 2.5 mm. longus fauce minute puberulus in limbum apertum 5-lobatum ampliatus ; lobi circ. 6 mm. longi ovales crenulati inaequilati (latissimo circ. 5 mm. lato angustioribus circ. 3.5 mm.). Stamina to alternatim longiora et breviora, longiora circ. 8 mm. longa corolla breviora; filamenta deorsum paullo dilatata supra basim nudam (circ. 1 mm.) villosa pilis faucem corollae im- plentibus ; antherae roseotinctae. Discus sub ovario puberulus.
ynaeceum circ. 6 mm. longum staminibus longioribus paullo brevius ; ovarium ovoideum truncatum paullo sulcatum squamis peltatis flavido-viridibus dense lepidotum; stylus purpureus strictus erectus basi pilosus apice sub stigmate discoideo lobulato haud dilatatus; stigma labio stylari cinctum. Species Seriei a Rh. alpicolae, Rehd. et Wils. affinis.
yA’
DIAGNOSES SPECIERUM NOVARUM. 55
W. Szechwan. Yaragong. Soulié. 3701. May 1904. In Herb. Paris.
Rhododendron oresterum, Balf. f. et Forrest.
Frutex ad 2 m. altus. Folia elliptica vel suborbicularia (lamina ad 5.5 cm. longa, 4.5 cm, lata plerumque minore et petiolo sparsim glanduloso ad 2.5 cm. longo) breviter mucronato- apiculata, basi rotundata subcordulata; utrinque glabra ; subtus subfulvida. Umbella pauciflora (circ. 5-) ; pais cire. 2.5 cm. longi sparsim glandulosi. Calyx ad 6 longus 5-partitus ; cupula sparsim glandulosa ; lobi Aandniose cite dorso plerumque glabri. Corolla aperta flava ad 3 cm. longa. Staminum filamenta glabra. Discus minutus puberulus. Gynaeceum corolla brevius; ovarium glandulosum ; stylus ex toto glandulosus. —— ex phylo Rh. Wardiu, W. m. quam typus multo mi
S.E.. Tibet. elias On Ka-gwr-pw. Forrest. 16,715. July 1918.
Rhododendron pennivenium, Balt. f. et Forrest.
Frutex ad 3.5 m. altus subvirgatus. Rami stricti subcrassi glandulosi et indumento tenui mycelioideo vestiti. Folia petio- lata ad 16 cm. longa 4 cm. lata lanceolata saepe leviter curvata utrinque attenuata, apice minute mucronulata, margine tenuiter cartilaginea, basi subobtusa vel late cuneata; supra griseo- viridia opaca alveolo-reticulata vestigiis floccorum juvenilium in sulco costae mediae et venarum primariarum adspersa ; subtus fulvido-grisea nitentia indumento diaphano persistente pilorum longe ramosorum membranum subarachnoideum fingentium ubique vestita, costa media elevata crassa rubro-glandulosa et floccosa percursa, venisque primariis etiam prominulis utrinsecus ad 22 regulariter patulim divergentibus traversa, venis ultimis prominulis in reticulum alveolatum conjunctis ; petiolus plerum- que purpureus ad 2.5 cm. longus rubro-glandulosus et floccosus ; (folia juvenilia plus minusve rubro-purpurea supra floccosa). Umbella racemosa circ. 8-flora rhachi lanata; pedicelli ad 1.2 em. longi crassi stipitato-glandulosi et floccosi. Calyx parvus 5-lobus ; lobi glandulosi et floccosi. Corolla saturate roseo- purpurea circ. 4.5 cm. longa tubuloso-campanulata carnosula ; lobi 5 lati emarginati. Stamina 10 inaequalia corolla breviora ; filamenta minute puberula. Gynaeceum corolla longius ; ovarium cylindrico-ovoideum truncatum glandulosum et dense floccosum ; stylus validus glaber. Species forsan ex afiinitate Rh. ii 0 Franch.
Western Yunnan. Shweli-Salween divide. Forrest. I 5,745. June 1917.
4
yx?
56 BALFOUR— RHODODENDRON :
Rhododendron peramoenum, Balf. f. et Forrest.
Frutex usque ad 1 m.altus. Rami juveniles albido-floccoso- tomentosi et glandulosi demum fulvidi plus minusve glabre- scentes. Folia petiolata ad 16 cm. longa; lamina ‘coriacea lineari-lanceolata ad 14.5 cm. longa 2.5 cm. lata utrinque attenuata longe acuminata margine vix recurvata basi cuneata ; supra laete viridis laevis cum costa media sulcata glandulis rubris stipitatis et floccis sparsissime praedita, venis primariis utrinsecus circ. 20 paullo sulcatis; subtus roseo-cervina nunc subgrisea, costa media et venis primariis elevatis, ubique in- dumento compacto opaco persistente superficialiter plus minusve agglutinato e pilis et glandulis constructo vestita, pilis indumenti dendriformibus rhachi in ramulos delicatos copiose ramosissimos demum adpressos et pelliculam fingentes deliquescente, glan- dulis rubris; petiolus ad 1.5 cm. longus ut rami vestitus. Umbella racemosa ad 16-flora rhachi tomentosa et glandulosa ; pedicelli circ. 7 mm. longi dense tomentosi. Calyx parvus 5- dentatus dentibus circ. 1 mm. longis tomentosis. Corolla cam- panulata 5-loba ampla circ. 5 cm. longa roseo-kermesina multi- maculata basi gibbosa ibique intensius colorata utrinque glabra ; lobi rotundati cum tubo maculati. Stamina 10 tubum corol- linum aequantia; filamenta glabra. Discus puberulus. Gynae- ceum corollam aequans; ovarium elongatum circ. 7 mm. longum pilis floccosis curvatis rufescentibus vestitum ; stylus glaber. Capsula circ. 2 cm. longa 7 mm. diam. paullo curvata. Semina pallida circ. 1 mm. longa complanata oblonga alata utrinque cristata. Species Seriei Arborei Rh. Delavay1, Franch. affinis.
Western Yunnan. Shweli-Salween divide. Forrest. 17,708.
June 19018.
Rhododendron poliopeplum, Balf. f. et Forrest.
Frutex ad .5 m.altus. Rami nodulati vestigiis glandularum paucarum et indumenti albidi notati. Perulae fugitivae. Folia petiolata ad 7.5 cm. longa; lamina cotiacea oblongo-obovalis plerumque curvata circ. 6.5 cm. longa 2.5 cm. lata, apice rotun- data vel obtusa mucronulata, margine paullo recurva, deorsum attenuata basi cuneata plerumque inaequalis; supra olivacea laevis glabra sed costa media sulcata vestigiatim puberula, venis primariis utrinsecus circ. 10 paullo sulcatis ; subtus grisea costa
_ media et venis primariis elevatis subtiliter erubescentibus
glabris vel glabrescentibus caeteroquin indumento crustaceo persistente e pilis rosulatis agglutinatis constructo vestita ; petiolus rubidus vix I cm. longus ut rami indutus. Umbella cooling’ racemosa ad 7-flora rhachi circ. 5 mm. longa dense ineo-floccosa ; bracteae fertiles sericeae ad 2 cm. longae
240
ea
DIAGNOSES SPECIERUM NOVARUM. 57
obovatae; bracteolae filiformes pedicellis multo_breviores ; pedicelli ad 3 cm. longi breviter floccosi eglandulosi. Calyx ad 4 mm. longus extus breviter pulverulento-floccosus ; lobi sub- virides persistentes lunati vel rotundati cupulam subaequantes dorso breviter puberuli margine breviter sebaceo-ciliati. Corolla ad 4 cm. longa campanulata pallide lutea opaca 5-loba; lobi rotundati emarginati. Stamina Io inaequalia corolla et gynaeceo breviora ; filamenta glabra. Discus glaber. Gynaeceum corolla paullo brevius ; ovarium dense floccoso-tomentosum eglandu- losum ; stylus glaber. Species Seriei Sanguinei.
S.E. Tibet. Tsarong. Salween—Kiu-chiang divide. Forrest. 19,175. July 1919.
Rhododendron porrosquameum, Balf. f. et Forrest.
Frutex aromaticus ad 5 m. altus. Rami epilosi squamis albidis sigilliformibus remotis lepidoti. Folia petiolata ad 10 cm. longa; lamina tenuiter coriacea lanceolata saepe curvata ad 9 cm. longa 3 cm. lata, acuminata longe mucronata, margine plana late cartilaginea, basi obtusa; supra atroviridis incon- spicue sigillatim lepidota costa media sulcata puberula, venis primariis inconspicuis; subtus pallide viridis squamis mem- branaceis planis albidis nigro-umbonatis inter se diametro suo
proprio vel ultra remotis lepidota, costa media erubescente
elevata glabra; petiolus circ. 1 cm. longus ut rami vestitus. Umbella breviter racemosa 4—6-flora, rhachi puberula et lepidota ; pedicelli stricti ad 1.5 cm. longi albido-lepidoti. Calyx cupularis ad 5 cm. longus inaequaliter 5-lobus; cupula albido-lepidota ; lobi colorati rotundati inaequales ad 3 mm. longi obtusi vel dente terminali praediti ad lineam mediam dorsi lepidoti, margine erosi et ciliati, nunc decidui. Corolla infundibuli- formi-campanulata ad 3 cm. longa postice maculata extus lepidota epilosa intus puberula. Stamina 10 inaequalia corolla breviora ; filamenta supra basim nudam pubescentia. Discus dense puberulus. Gynacceam: stameniins cmeasionnd brevius ; ovarium ovoideum iml iperne pilo-cristatum ; stylus basi puberulus. Species Seriei Heliolepidis.
Yunnan. Lichiang Range. Western flank. Forrest. 15,071. June 1917.
Rhododendron prasinocalyx, Balt. f. et Forrest.
Frutex ad 4.5 m. altus. Rami glandulosi. Folia tenuiter coriacea oblonga ad 1x cm. longa 4 cm. lata mucronata, basi truncata nunc obtusa vel subcordulata; supra olivacea nunc purpurascentia glabra; subtus glauca papillis ceriferis dense vestita rubro-punctulata: petiolus ad 2 cm. longus glandulis paucis praeditus. Umbella circ. 6-flora; pedicelli ad 2.5 cm.
Sav?
58 BALFOUR—RHODODENDRON :
longi nunc 5 cm. glandulosi. Calycis cupula atrokermesina circ. 1.5 mm. longa; lobi foliacei ad 5 mm. longi glaucovirides extus margineque glandulosi. Corolla aperta pateriformis sul- furea extus intusque glabra ; lobi orbiculares. Stamina corolla dimidio breviora ; filamenta glabra. Gynaeceum corolla quad- rante brevius ; ovarium stipitato-glandulosum ; stylus ex toto glandulosus. Species Rh. croceo, Balf. f. et W. W. Sm. valde affinis.
Eastern N.W. Yunnan. Mts. N.E. of Chungtien. Forrest. 16,511. July 1018.
Rhododendron prophantum, Balf. f. et Forrest.
Arbor grandifolia. Rami crassi annotini circ. 1.3 cm. diam. indumento pilorum rigidorum et glandularum longe stipita- tarum laxo detersili vestiti. Folia longe petiolata ad 30 cm. longa ; lamina coriacea oblongo-ovalis ad 25 cm. longa 10 cm. lata, apice rotundata, margine prominente cartilaginea plana, basi rotundata ; supra laete viridis laevis pilis rufis et glandulis rubris vestigialibus conspersa, costa media sulcata sulco pilis glandulisque impleto, venis primariis utrinsecus circ. 20 paullo elevatis ; subtus pallidior indumento tenui ferrugineo detersili induta pilis indumenti floccosis axem centralem ramos breves firmos acutos haud intertextos gerentem exhibentibus, costa media crassa cum venis primariis elevatis ferruginea ; petiolus ad 5 cm. longus ut rami vestitus glabrescens. Inflorescentia racemosa ad 15-flora rhachi circ. 4 cm. longa floccosa et glan- dulosa ; pedicelli ad 2.5 cm. longi dense floccoso-tomentosi et glandulosi. Calyx circ. 5 mm. longus 5-partitus ; lobi rotundato- ovati dense floccosi et glandulosi. Corolla tubuloso-campanulata saturate kermesina carnosula circ. 4.5 cm. longa gynaeceo paullo longior basi gibbosa et intensius colorata extus breviter puberula 5-loba. Stamina corolla paullo breviora; filamenta puberula. Discus sparsim puberulus. Gynaeceum staminibus paullo longius ; ovarium dense floccosum; stylus ex toto floccosus. Species Seriei Irrorati ex affinitate Rh. faceti, Balf. f. et Ward.
N.E. Upper Burma. N’Maikha-Salween divide. Forrest. 17,928. June 1919.
Rhododendron schistocalyx, Balf. f. et Forrest.
Frutex ad 4 m. altus late et tenuiter ramosus. Rami albo- floccosi glabrescentes eglandulosi. Folia petiolata ad 20 cm. longa 4.5 cm. lata coriacea oblanceolata, apice obtusa breviter mucronata, margine cartilaginea plana, basi obtusa; supra opaca (in sicco), alveolo-reticulata (costa media anguste sulcata), glabrescentia vestigiis floccorum juvenilium sparsim conspersa ; subtus brunneo-olivacea (costa media elevata leviter purpureo-
DIAGNOSES SPECIERUM NOVARUM. 59
tincta) opaca glabrescentia vestigiis floccorum ad basim et circum costam mediam conspicuis; petiolus purpurascens ad 2.5 cm. longus plus minusve floccosus sed glabrescens. Umbella breviter racemosa ad ro-flora rhachi floccosa; pedicelli circ. 1.5 cm. longi dense floccosi eglandulosi. Calyx ampliatus foliaceus membranaceus roseus poculiformis fere ad basim dimidiatus ad 2 cm. longus inaequaliter lobulatus, ex basi pilis brevissimis forsanque floccis sparsis conspersa caeteroquin glabra. Corolla tubulari-campanulata circ. 4-5 cm. longa laete roseo- coccinea extus glabra, intus basi septis interpetalinis incom- pletis divisa et varis petalinis notata; lobi 5 lati emarginati. Stamina Io inaequalia corolla gynaeceoque breviora ; filamenta puberula. Discus puberulus. Gynaeceum corolla paullo brevius; ovarium conoideum truncatum pilis floccosis dense vestitum ; stylus ad medium pilis fasciatis floccosus. Capsula paullo curvata brunneo-floccosa circ. 1.5 cm. longa. Species Seriei Irrorati. =
Western Yunnan. Shweli-Salween divide. Forrest. 17,637. July 1918.
wr Rhododendron semnum, Balf. f. et Forrest.
Frutex robustus ad 6 m. altus. Rami annotini glabri sine vestigiis indumenti rufi juvenilis. Folia ad 45 cm. longa epetio- lata crasse coriacea oblanceolata vel oblongo-cuneata ab apice rotundato vel subtruncato deorsum attenuata ad 13 cm. lata basi saepe 2 cm. lata; supra opaca subrugulosa glabra, costa media ad basim pulvinatim elevata puberula excepta, venis primariis plerumque patulis; subtus fulva laevis sub-nitens indumento bistrato persistente agglutinato vestita, costa media venisque primariis prominentibus glabrescentibus. Umbella racemosa 20-flora, rhachi circ. 2 cm. longa rufo-tomentosa ; bracteae fertiles oblongo-spathulatae circ. 3.5 cm. longae extus intusque minute molliterque sericeae; bracteolae circ. 5 mm. longae lineari-ligulatae breviter pilosae; pedicelli ad 4.5 cm. longi indumento tenui arachnoideo plus minusve induti glabre- scentes. Calyx minutus deltoideo-dentatus. Corolla obliqua campanulata flavido-alba varo basali rubro notata nunc pauci- maculata circ. 5 cm. longa glabra 8-lobata; lobi breves lati emarginati. Stamina 16 inaequalia corolla gynaeceoque multo breviora ; filamenta glabra. Discus glaber. Gynaeceum corolla paullo brevius ; ovarium oblongo-ovoideum truncatum curvatum 12-loculare indumento pallide roseo sublanato pilorum fascia- torum praeditum; stylus glaber. Capsula oblonga circ. 3-5 cm. longa plus minusve aurantiaco-tomentosa. Semina brunnea oblonga complanata anguste arillata, membrana chalazali lata et instita funiculari brevi. Species Seriei Grandis. ,
une
60 BALFOUR—RHODODENDRON :
Western N.W. Yunnan. Mekong-Salween divide. Forrest. 14,233. June 1917.
Rhododendron sinonuttallii, Balf. f. et Forrest.
Frutex ad 2.5 m. altus megaphyllus RA. Nuttallii, Booth simillimus sed pedicello pubescente et calyce extus pubescente lepidotoque facile distinguendus.
.E. Tibet. Tsarong. Salween—Kiu-chiang divide. Forrest. 18,939. Sept.-Oct. 1919.
Rhododendron sphaeroblastum, Balf. f. et Forrest.
Frutex vix 2 m. altus. Rami juveniles crassi circ. 7 mm. diam. glabri nitidi virides vel purpurascentes. Folia magna petiolata ad 15 cm. longa; lamina crasse coriacea ovalis vel oblongo-ovalis apice obtusa vel subrotundata mucrone parvo rubro sessili terminata margine plana basi rotundata; supra olivacea in modum squali corii rugulosa glabra costa media sulcata minute puberula excepta, venis primariis utrinsecus ad 12 paullo sulcatis ; subtus laete ferrugineo-tomentosa indu- mento crasso bistrato persistente vestita, strati superi pilis elongatis sub-dendriformibus multo ramosis superficiem laxam lanatam demum nunc sub-agglutinatam fingentibus et pilos rosulatos breviter ramosos strati inferi superantibus, costa media prominula saepe plus minusve glabrescente; petiolus ad 2 cm. longus saepe deflexus rugulosus viridis vel purpureus glaber. Umbella racemosa ad 12-flora rhachi valida glabra circ. r cm. longa; inflorescentiae alabaster magnus globosus 3.4 cm. diam.; bracteae extimae ovatae, interiores obovatae, molles plus minusve puberulae ; pedicelli breves glabri. Calyx parvus 5-lobus glaber ; lobi late triangulares vel ovati obtusi vel subacuti. Corolla (immatura et marcida solum visa) forsan alba roseo-suffusa certe postice kermesino-maculata 5-loba. Stamina 10 inaequalia ; filamenta lata puberula. Discus glaber. Ovarium truncatum glabrum minute papillatum; stylus staminibus longior glaber. Capsula ad 9g-locularis paullo curvata circ. 2 cm. longa 6 mm. diam. valvis simplicibus vel compositis ab apice dehiscens.
S.W. Szechwan. Mts. around Mu-li. Forrest. 17,360. July 1918. Also 16,377, 17,110.
Rhododendron stenoplastum, Balf. f. et Forrest.
Frutex ad 3 m. altus. Ramuli epilosi lepidoti. Folia sub- coriacea petiolata lanceolata vel oblanceolata acuminata ad 10 cm. longa 2.5 cm. lata, basi saepe inaequalia cuneata; supra laete viridia laevia squamarum vestigiis obtecta epilosa ; subtus
-_~palilide fulva punctulatim lepidota; petiolus 1.5 cm. longus
DIAGNOSES SPECIERUM NOVARUM. 61
lepidotus. Umbella 6-flora terminalis; pedicelli circ. 1 cm. longi sigillatim lepidoti. Calyx parvus circ. 1.5 cm. longus extus lepidotus ; lobi rotundati vel subacuti. Corolla aperte campanu- lata rosea et maculata 5-loba circ. 3 cm. longa intus ad tubum puberula extus lepidota epilosa ; lobi rotundati. Stamina ro inaequalia inclusa ; filamenta puberula. Gynaeceum staminibus longius corollam subaequans ; ovarium imbricatim lepidotum epilosum ; stylus glaber. Species Seriei Heliolepidis.
W. unnan. Shweli-Salween divide. Yang-tzow-shan. Forrest. 17,920. May ror.
Uro Rhododendron telopeum, Balf. f. et Forrest. Frutex ad 1 m. altus. Rami tenues in juventute purpurei _ et glandulis brevibus sparsim induti. Folia petiolata ad 5 cm. longa 3 cm. lata coriacea elliptica vel suborbicularia mucronata basi rotundata; supra laete viridia glabra; subtus subglauca papillis ceriferis dense vestita et pilis caulifloris conspersa ; petiolus circ. 1.5 cm. longus glandularum vestigiis indutus. Umbella laxa ad 4-flora rhachi glandulosa ; pedicelli ad 2.5 cm. longi glandulosi. Calyx parvus glandulosus. Corolla laete flava aperte campanulata circ. 3.5-4 cm. longa intus extusque glabra postice varo basali leviter notata ; lobi lati emarginati. Stamina corolla breviora; filamenta glabra. Discus glaber. Gynaeceum corollam aequans ; ovarium ad juga glandulosum ; stylus glaber. Species Seriei Selensis.
S.E. Tibet. Tsarong. Salween—Kiu-chiang divide. Forrest.
18,963. July rorg. U}IX Rhododendron theiophyllum, Balf. f. et Forrest.
Frutex ad 4 m. altus. Rami crassi tomentosi in juventute intense sulphurei. Alabastra tomentosa. Folia coriacea petio- lata oblongo-ovalia ad 12 cm. longa 4 cm. lata rostrato-acuta basi obtusa vel subrotundata inaequalia ; supra glabra (costa media excepta) ; subtus primo intense sulfurea deinde fulva indumento bistrato subscintillante haud agglutinato laevi per- sistente vestita, indumenti pilis omnibus rosulatis strati superi Stipitatis coloratis et ramos longiores paullo ages pro- ducentibus ; petiolus ad cid cm: longus u rami indutus. Umbella racemosa circ. 10-flora rhachi circ. 1.5 cm. longa ; pedicelli inaequales 1-2 cm. longi puberuli. Calyx minutis- simus ; lobi puberuli. Corolla obliqua maculata circ. 3.5 cm. longa; lobi 5 lati. Stamina 10 inaequalia gynaeceo breviora. Gynaeceum corolla brevius; ovarium sparsim floccosum ; stylus glaber. Capsula paullo obliqua glabra. Semina fusi- formia alata. Species Seriem Lacteum juxta ponenda.
S.W. Szechwan. Mu-li Mts. Forrest. 16,836. Aug. 1918.
71%
wl
62 BALFOUR—RHODODENDRON :
Rhododendron trichophlebium, Balf. f. et Forrest.
Frutex parvifolius. Rami subcontorti primo sparsim rufo- setulosi (setulis glandulosis) demum cinerei glabrescentes. Folia brevissime petiolata vel subsessilia ad 3 cm. longa; lamina crasse coriacea oblongo-ovalis utrinque paullo attenuata ad 3 cm. longa 1.3 cm. lata acutiuscula mucrone prominulo, margine recurva, basi obtusa; supra laete viridis laevis glabra, costa media et venis primariis utrinque 6-8 paullo sulcatis ; subtus pallidior flavido-viridis in modum squali corii rugulosa pilis floccosis adpressis albidis ubique sparsim induta sed ad venas primarias prominulas pilis similibus dense induta itaque lineas pilosas conspicuas praebens, costa media prominula straminea sparsim floccosa ; petiolus vix 1.5 mm. longus ut rami vestitus. Umbella parva ad 4-flora ; pedicelli ad 1 cm. longi plus minusve setulosi setulis nunc glandulosis. Calyx parva carnosula ; lobi 5 rotundati vel late dentiformes plus minusve glandulosi. Corolla campanulata atro-kermesina vix 2.5 cm. longa 5-loba basi gibbosa ibique 5-varosa glabra ; lobi rotundati paullo emarginati. Stamina 1o corolla gynaeceoque multo breviora; filamenta glabra. Discus glaber. Gynaeceum corollam aequans ; ovarium petasiforme truncatum circ. 2 mm. longum rubro-glandulosum glandulis longe stipitatis; stylus glaber. Capsula recta circ. 1.3 cm. longa extus rugulosa.
S.E. Tibet. Tsarong. Forrest. 18,632. 1917.
Rhododendron triplonaevium, Balf. f. et Forrest.
Frutex ad 3 m. altus. Rami crassi juveniles rufo-tomentosi eglandulosi. Folia breviter petiolata ad 12.5 cm. longa ; lamina crasse coriacea rigida lanceolata vel oblanceolata ad 11.5 cm. longa 3.5 cm. lata breviter acuminata vel obtusa et rostrata mucronata, margine recurvata, basi anguste rotundata vel subauriculata ; supra opaca olivacea glabra costa media sulcata vestigialiter puberula excepta, venis primariis utrinsecus ad 20 ; subtus (costa media prominula) ubique tomento .ferrugineo bistrato vestita pilis strati superi rosulatis pauci-ramosis deter- silibus strati inferi rosulatis breviter ramosis pallidioribus ; petiolus ad x cm. longus saepe erubescens ut rami vestitus. Umbella breviter racemosa cire. 12-flora rhachi pubescente ; bracteae sub anthesi persistentes; bracteolae aristiformes ;
pedicelli circ. 1-2 cm. longi pubescentes eglandulosi. Calyx
minutus carnosulus vix 1 mm. longus 5-lobus glaber; lobi brevissime ciliati. Corolla flavido-alba varo postico basali kermesino triradiato notata campanulata circ. 3.2 cm. longa 5-gibbosa extus glabra intus puberula 5-loba; lobi rotundati
emarginati crenulati. Stamina Io inaequalia corolla breviora ;
_
SS ee”) LS
yen
ute!
DIAGNOSES SPECIERUM NOVARUM. 63
filamenta puberula. Discus puberulus. Gynaeceum circ, 2.3 cm. longum staminibus longius; ovarium ferrugineo-tomen- tosum ; stylus glaber. Capsula paullo curvata circ. 2 cm. longa
mm. diam. Semina oblonga pallide brunnea anguste alata. Species ad vicinitatem Seriei Taliensis referenda.
Western N.W. Yunnan. Tseku. Soulié. ro2g bis. In Herb. Paris; Mekong-Salweeh divide. Forrest. 13,570. Oct. 1914.
Rhododendron tritifolium, Balf. f. et Forrest.
Frutex ad 3 m. altus. Rami crassi tomento compacto bistrato dense obtecti. Folia lanceolata ad 15 cm. longa ; lamina ad 3.4 cm. lata, apice angustata breviter subrostrata, deorsum attenuata in petiolum anguste alatum continuata ; supra glabre- scens ; subtus cinnamomea indumento bistrato dein detersili obtecta strati superi pilis rosulatis longe ramosis, inferi pilis rosulatis breviter ramosis ; petiolus circ. 2.5 cm. longus pubescens glandulosus. Umbella racemosa 15-flora; bracteae dense pubescentes ; bracteolae breves vix 4 mm. longae; pedicelli floccoso-glandulosi. Calyx parvus puberulus. Corolla circ. 4 cm. longa 5-loba alba roseo-suffusa infundibuliformi-campanulata variculosa et maculata. Stamina 10 corolla breviora ; filamenta basi puberula. Gynaeceum corolla brevius, staminibus longius ; ovarium floccosum et glandulosum; stylus glaber. Species Seriei Albertseniani.
Western N.W. Yunnan. Mekong-Salween divide. Forrest. 14,140. July 1917.
Rhododendron truncatulum, Balf. f. et Forrest.
Frutex ad 2 m. altus. Folia elliptica vel ovalia nunc sub- obovalia apice rotundata vel subtruncatula vel subretusa’ mucronulato-apiculata ad Io cm. longa (petiolo 2.5 cm. incluso) 4.5 cm. lata; supra olivacea subopaca ; subtus pallide fulva glandulis caulifloris conspersa. Umbella circ. 5-flora; pedi- celli ad 3 cm. longi divaricati stricti glandulosi. Calycis lobi flavido-virides ovati vel oblongi obtusi ad 3 mm, longi dorso margineque glandulosi. Corolla flavido-alba roseo-suffusa vel pallide rosea leviter kermesino-maculata evariculosa glabra. Staminacorolla multo breviora glabra. Discus minute puberulus. Gynaeceum corollam subaequans; ovarium glandulosum; stylus infra medium glandulosus. Species ex phylo Rk. cymbo- morphi, Balf. {. et Forrest.
Western N.W. Yunnan. Mekong-Salween divide. Forrest. 13,936. June 1917. :
64 BALFOUR—RHODODENDRON :
>” Rhododendron wuense, Ball. f.
Frutex ad 6 m. altus ramis crassis indumento denso crasso primo ferrugineo e pilis corniculiformibus floccosis constructo vestitis. Folia petiolata ad 10 cm. longa saepe minora ; lamina crasse coriacea oblongo-ovalis vel ovalis ad 8.5 cm. longa 4 cm. lata breviter rostrata mucronata margine recurva basi rotundata vel cordulata; supra atroviridis opaca in modum squali coril minute rugulosa glabra (maturitate), costa media basi elevata et tomentosa sursum anguste sulcata et puberula excepta ; subtus indumento rufo-ferrugineo e pilis cylindricis longe ramosis acutis intertextis aedificato ubique dense vestita, costa media glandulas rubras longe stipitatas gerente ; bracteae sub anthesi deciduae ; petiolus circ. 1.5 cm. longus ut caulis vestitus. Um- bella breviter racemosa pauciflora rhachi puberula circ. 1 cm. longa; pedicelli circ. 1.5 cm. longi glanduloso-floccosi. Calyx ad 1 cm. longus inaequaliter 5-partitus ; cupula dense glandu- losa ; lobi oblongo-ovales dorso glabri margine breviter glandu- loso-ciliati. Corolla elongato-campanulata ad 3.5 cm. longa ; lobi circ. 1 cm. longi 2.2 cm. lati emarginati. Stamina 10 inaequalia corolla et gynaeceo multo breviora; filamenta puberula. Discusglaber. Gynaeceum corolla brevius ; ovarium petasiforme pilis rufis fasciatis ascendentibus et glandulis stipi- tatis brevioribus dense vestitum; stylus basi glandulosus. Species Seriei Edgeworthii.
Western China. Mt. Wu. Wilson. 3960.
Rhododendron yaragongense, Balf. f.
Frutex nanus erectus multiramosus parvifolius. Ramuli (incrementa annua parva exhibentes) annotini circ. I mm. diam. rutescentes indumento asperato squamarum peltatarum secre- tione rubro-nitente plenarum contertarum induti, seniores nigricantes subverruculosi tandem grisei decorticantes. Ala- bastra foliaria ovoidea circ. 1.5 mm. diam.; perulae extimae coriaceae ovatae extus dense lepidotae margine minute ciliatae. Folia petiolata ad 1 cm. longa ; lamina ovalis vel oblongo-ovalis ad g mm. longa 5 mm. lata, apice rotundata vix mucronulata nunc subemarginata, margine paullo recurvata, basi obtusa vel subrotundata nec cordulata; supra atroviridis opaca quasi foveolatim excavata squamis peltatis concavis contiguis mem- branaceis arescentibus (umbone nunc aurantiaco- vel rubro- tincto) translucentibus obtecta, costa media paullo sulcata ; subtus rufo-fulvida squamis peltatis contiguis et rufescentibus et incoloratis vel parum aureo-annulatis aequaliter intermixtis lepidota, squamis uniformibus ex umbone lato institaque integra
pee constructis, costa media et venularum reti occultis ;
DIAGNOSES SPECIERUM NOVARUM. 65
petiolus circ. 1 mm. longus ut ramuli lepidotus. Umbella com- pacta terminalis ad 3-flora; bracteae exteriores crustaceae rotundatae vel late ovatae apiculatae dorso lepidotae et puberulae intus apicem versus sericeae lanato-ciliatae, interiores rotundatae late membranaceo-marginatae subtruncatae, intimae tenuiter membranaceae spathulatae circ. 5 mm. longae 2.5 mm. latae truncatae cucullatae ut exteriores indutae ; bracteolae filiformes subclaviformes circ. 2 mm. longae pedicellis longiores epilosae dorso sparsim lepidotae ; pedicelli brevissimi circ. I mm. longi lepidoti. Calyx cupularis parvus vix 1.5 mm. longus 5-partitus ; cupula dense lepidota ; lobi inaequales triangulares vel deltoidei obtusi vel subacuti dorso lepidoti ciliati nunc subfimbriati, majores ad 1.25 mm. longi r mm. lati. Corolla roseo-lilacina circ. 1.2 cm. longa extus elepidota epilosa ; tubus brevis latus circ. 4 mm. longus infundibuliformis fauce puberulus in limbum 5-lobatum expansus; limbi discus circ. 2 mm. longus; lobi subaequales tenues oblongo-ovales circ. 6 mm. longi 5 mm. lati undulati. Stamina Io alternatim longiora et breviora, longiora circ. cm. longa ; filamenta supra basim nudam 1.5 mm. longam pilis os corollinum implentibus annulatim villosa; antherae ovoideae 1 mm. longae roseo-tinctae. Discus sub ovario dense puberulus. Gynaeceum staminibus brevius circ. 6 mm. longum ; Ovarium circ. 2.5 mm. longum cylindricum truncatum paullo sulcatum imbricatim et laxe lepidotum squamis albidis nunc pallide fulvidis ad apicem paullo piloso-cristatum ; stylus roseo- lilacinus glaber sub stigmate lobulato haud expansus sed labium circulare faciens. Species Seriei Lapponici.
W. Szechwan. Principality of Batang (Yaragong). Zeda de Yaragong. Soulié. 3709. June-July 1904. In Herb. Paris.
Printed under the authority of His Majesty’s Stationery Office By Net & Co., Ltp., Edin nburgh.
Vol. XIII. FOR OFFICIAL USE. Number LXH. 4
NOTES
FROM THE
ROYAL BOTANIC GARDEN, | EDINBURGH. oat
AUGUST 1921. ce oa
CONTENTS.
Some Asiatic Sedums in the Edinburgh Herbarium ; with supplementary notes from Kew and the British
luseum. By R. Lloyd Praeger, B.A. (with Plates © CLXX-CLXXIX and one figure in the text) . .
:
ae
Some Asiatic Sedums in the Edinburgh Herbar-
ium; with supplementary notes from Kew and the British Museum.
BY
R. LLOYD PRAEGER, B.A. With Plates cL.xx-CLxxIx and One Figure in the Text.
THE majority of the sheets of the large collection of Asiatic Sedums preserved at Edinburgh have been examined by M. Hamet, and his determinations have been published in part.* The present notes deal with the remainder of the Asiatic sheets, including G. Forrest’s more recent collections in Yunnan made after 1913, and some interesting Chinese and Burmese plants obtained by F. Kingdon Ward and Reginald Farrer. It has been found necessary to review a few of M. Hamet’s determinations, in most cases because I regard as distinct a few plants which he had placed, in most cases tentatively, under species already described. A similar revision has been made in the case of a few of the plants of Forrest’s first expedition, as published by Diels. +
An examination of the Sedums in the Léveillé Herbarium (now at Edinburgh) and of Hamet’s comments on these plants reveals the identity of some of Léveillé’s very inadequately de- scribed species, and furnishes other useful material. One of the Léveillian species (S. C haneti), which could not be identified from his description, proves to be identical with a plant subse- quently described by myself as S. pyramidale. My name is in consequence withdrawn, but my description will be found useful. The issue was confused in this case by the fact that (on Hamet’s determination, as the label on the specimen shows) Léveillé had withdrawn this species, identifying it with S. spinosum, Thun- berg, a quite difierent plant. Two other names of mine, S. Mairei and S. triphyllum, are also withdrawn, specimens in the Léveillé collection named by Hamet showing that they are identical with his S. Someni and S. Chauveaudi respectively.
“ * Notes Roy. Bot. Gard. Edin., v, 115; vili, 140. + Ibid. vii. (N .
R. Edin., No. LXII, August 1921.] F {rorp) Wt. 14883/161 g/at. 375 J.-P. G7 Se.B
a
68 PRAEGER—SOME ASIATIC SEDUMS.
In the present paper 12 new species are described and figured, of which 8 belong to the section Rhodiola, which is essentially Asiatic in distribution, and is proving to be extensively developed in the W. China-Tibet region, and to offer there many interest- ing and puzzling forms. ‘The additional members of it now studied have not led me to alter the tentative views I expressed in a recert paper * as to the extent and classification of this diffi- cult and complicated group. At the one end of the series, which I take to be the most evolved, stand S$. roseum and its allies; at the opposite end the Rhodiolas appear to pass into the Seda Genuina, forms like S. limuloides having affinities in its growth- form (on which the classification of Sedums has always been based, the flowers providing no sure ground for sub-division) to Rhodiolas like S. Praegerianum and S. Balfouri on the one hand, and on the other to some of the Mexican Seda Genuina.
The following notes relate only to sheets now for the first time determined, or of which previous determinations are revised. Plants which were already correctly named in the collections are not included, except where, as in the case of S. Leveilleanum or S. orichalcum, their characters and affinities are discussed. I have not included additional stations for certain species which are- now known to be of common occurrence in the areas concerned
The information given on the labels is given verbatim, any additional remarks by myself being included in parenthesis.
S. alboroseum, Baker.
~ (1) Shangtung : I-tu-ksien, Ching-chou-fu. Recd. 1895. Coll. S. Couling, No. 69. Hsieh tsu tsao. Cures scorpion bites. (2) Shangtung: Taian-fu, T’ai Shan Mountains, September 1912. Mary Strong Clemens, No. 1395. (As S. Telephium). (3) Chihli: Tientsin, Oct. 7, 1912. Mary Strong Clemens, No. 1810. ‘Pink flowers in our compound.”’ (As S. Telephium).
S. Alfredi, Hance.
(1) Yunnan : Sedum vivace. Fl. jaunes. Rochers mousseux, vallée de Long-ky, alt. 700 m. Septembre. E. E. Maire.
(2) Kiangsi: Kewkiang — 22 May, ’92. Yellow flower. Herb. of W. R. Carles, No.
In the fetct- mentite i (Maire) the inflorescence is very strong, and the leaves, while frequently normal (as figured in. Proc. R. Irish Acad. xxv, Sect. B. pl. iii), tend to be shorter
d broader, with a retuse, not pointed, apex. In the latter sheet (Carles) these features are emphasised, all the leaves being
= Trans. Bot. Soc. Edin. XXvVil, 167.
PRAEGER—SoME ASIATIC SEDUMS. 69
retuse and only twice as long as broad, instead of thrice or more. The leaves are moreover opposite, not alternate as they are nor- mally, but the flowers are typical. A similar tendency to retuse apices in leaves normally of very similar shape is found in the Mexican S. oxypetalum, H.B.K.
S. algidum, Ledeb.
(1) Szechuan: Herb 6-1 ft. Flowers whitish, midst rocks around Tachien-lu, W. Szechuan. Alt. 13,000-14,500 ft. 9.08, E. H. Wilson, No. 2498. (Under S. algidum, but flowers un- usually small).
(2) Yunnan : vivace, naine, fl. jaunes. Paturages du Io-chan, alt. 3300 m. Juin. E. E. Maire, No. 680. 1914. (A small form with unusually small flowers).
(3) Yunnan: Vivace. Tiges et fleurs jaunes. Paturages de Ta-hai, alt. 3200 m. Juillet. E. E. Maire, No. 262/1913. (A large plant with the narrow leaves and long stamens of var. tanguticum, Maxim. but the short ovaries in the male flower of var. jeniseense, Maxim.)
S. algidum, Ledeb., var. tanguticum, Maxim.
(1) Szechuan: West Szechuan and Tibetan frontier; chiefly near Tachien-lu, at gooo-13,500 ft. Coll. A. E. Pratt, No. 105. (As S. asiaticum, DC.) (There is a sheet of the same gathering at Kew)
(2) W. China: Sedum. Wet rocks, 11-12,000 feet. 7.03. E. H. Wilson, No. 3620.
Sedum ambiguum, Praeger, sp. nov. (Plate clxx, 1).
Species anomala sectionis Sedorum Genuinorum SEE Ase 3 ato ut in Rhodiola insignis, sed caudicis apex nanus, squa- mosus. S. Ewersii, Ledeb. et speciebus nonnullis ali: sence Telephii subsimilis, sed radices non tuberosae. Foliis crassis- simis rosulatis, serie erectis atque staminibus quinque S. indico, Hamet sabsinabe. sed habitu perenni (nec bienni), sepalis quam petala longioribus vel ea aequantibus (nec multo breviori- bus), squamis nectariferis minutis Ries Te integris (nec amplis oblongo-quadratis emarginatis) d
erba perennis, glabra, carnosissima, a steriles edens. Radices fibratae. Caudex ramosus, ramis 3-6 cm. longis, grac- ilibus, 3 mm. crassis, argenteis, hypogeis, decumbentibus vel adscendentibus. Rami steriles laterales, breves, apice folia in rosulas disposita ferentes. Rami orien terminales, erecti, simplices, graciles, sparsim foliosi, 7-10 em. longi. Folia ram- _ rum sterilium plana, alterna vel opposita, conferta, sessilia, in-
70 PRAEGER—SOME ASIATIC SEDUMS.
tegra, carnosissima, orbicularia vel orbiculari-obovata vel orbi- culari-rhomboidea, apice rotundata vel apiculata, 9-12 cm. longa et lata, supra et subtus in sicco valde argentea. Folia ramorum floriferorum alterna vel opposita, plana, sessilia, integra, inter- nodiis breviora, oblanceolata vel oblonga, apice obtusa, 7-9 mm. longa, 1.5-3 mm. lata. Inflorescentia corymbiformis, laxa, 12- 25 mm. longa, 25-35 mm. lata, sparsim bracteata ; bracteae foliis similes sed minores, lineari-oblongae, obtusae. Flores herma- phroditi, 5-meri, anguste campanulati, 4 mm. longi, in vivo pulchre rosei, in sicco pulchre purpurei, pedicellati; pedicelli ea bue plerumque longiores, sursum incrassati, purpurei. Sep- ala fere libera, aequilonga, erecta, carnosissima, oblongo-linearia, obtusa, 3.5-4 mm. longa, (raro 2.5-3 mm. longa), .75-1 mm. lata. Petala sepalis plerumque breviora, raro ea aequantia, erecta, ovato-deltoidea, acuta, 2.5 mm. longa, 1 mm. lata. Stamina § episepala, antheris amplis .7 mm. longis, filamentis 1.3 mm. longis, longissime deltoideis. Squamae nectariferae minutae, semi-ellipticae, integrae, .5 mm. longae et latae. Carpella robusta, erecta, 2 mm. longa, stylis brevibus erectis capitellatis.
(1) Yunnan: Mekong Valley, arid region, 7000 feet. June 1913. F. Kingdon Ward, No. 391.
(2) Yunnan: Mekong Valley. Lat. 28° 30’ N. Alt. 6coo- 7000 ft. June, 1917. Plant (succulent) of 3-5 inches. Flowers 8 rose. Open dry rocks and rocky slopes. G. Forrest, No. 15,04
( a" ‘Srechnan : Szechuan austr. reg. Knapic prope Tatiao Ko, in rupestr. calc.; fl. rubri et paullo violacei. May 23, 1914. Alt. circiter 2800 m. C. Schneider, No. 1362.
A curious plant, apparently nearest to S. indicum, Hamet. The material is poor as regards the barren shoots, the indications are that they continue growing slowly with rosulate foliage prob- ably for more than one year, and then shoot up, flower, and die, being replaced by offsets at their base; this growth-form is close to that found in the Mexican Sedums of the group Sedastrum, Rose, which the present plant also matches in its broad, entire, very fleshy leaves. The plant is known by its very fleshy, round leaves, silvery on both sides when dry, bright rose flowers and pedicels (bright purple when dry) and oblong, erect sepals ex- ceeding or equalling the erect petals. The bright red coloration of the inflorescence—unusual in the Seda Genuina-—is caused mainly by the high pigmentation of the sepals and pedicels.
In the general form of the flower and in its five stamens in particular the plant recalls S. indicum, especially the curious form named var. Forresti by Hamet, which has similarly some of the leaves nearly orbicular and opposite; it is a tall, straggling plant of which the only specimen looks like a perennial. But
PRAEGER—SOME ASIATIC SEDUMS. 71
it has the characteristic short deltoid sepals of indicum, not the oblong sepals at least equalling the petals of ambiguum. I grew for some years indicum and its vars. yunnanense and denstrosu- latum, and the flowers displayed no marked variation in respect to their sepals, and they were uniformly biennial, torming a Sempervivum-like rosette in the first vear and a centrai flowering stem in the second.
S. angustum, Maxim. N.W. Yunnan: A-tun-tsu. Dry shrub belt, 12,000-13,000 feet. 17.8.13. F. Kingdon Ward, No. 1051.
Sedum atuntsuense, Praeger, sp. nov. (Plate clxx, 2).
Habitu S. quadrifidi, Pall., sed foliis latis (nec linearibus) valde differt. Ab S. fastigiato, H.f. et Thoms, foliis oblongo- ovatis basi cuneatis (nec linearibus nec oblongo-lanceolatis basi latis) distinguitur. S$. venusto, Praeger (infra) subsimilis, sed statura minore, staminibus brevioribus vix adnatis, squamis semi-ellipticis integris (nec subquadratis emarginatis) distincta. S. gelidum, Ledeb. foliis oblongis plerumque dentatis, stamini- bus alte adnatis, squamis emarginatis differt. S. Bouviert, Hamet caulibus foliisque papillis longis obtectis facile separandum.
Herba perennis, glabra, caules steriles non édens. Caudex erectus, pauciramosus, 3-5 cm. longus, 12 mm. latus, caulibus emarcidis obtectus, apice caules floriferos basi squamis cinctos ferens. Squamae deltoideo-semiorbiculares, acutae, paleaceae. Caules annui, multi, simplices, erecti, glabri, teretes, foliosi, circa 4 cm. longi. Folia alterna, glabra, internodiis breviora, ses- silia vel subpetiolata, oblongo-ovata vel late oblongo-lanceolata, marginibus integris, apice obtusa, basi cuneata, in calcar non producta, circa 6 mm. longa, 2.5 mm. lata. Inflorescentia ter- minalis, densa, subumbellata, involucrata e ramulis circa 5 umi- floris quam flores paulo brevioribus bracteam nonnunquam fer- entibus composita. Flores hermaphroditi, 5-meri, pulchre lutet. Calvx 2.5-3.5 mm. longus, segmentorum parte libera 1.5~2.5 mm. longa basi x mm. lata lineari vel lanceolata, obtusa. Petala Suberecta, oblonga vel oblongo-lanceolata, obtusa, 3.5-4.5 mm. longa, 1 mm. lata, parte concreta brevissima, nervo medio in mucronem apicem superantem prolongato. Stamina petala aequantia, epipetalorum parte adnata .5 mm. longa. Squamae nectariferae circa 1 mm. longae, semi-ellipticae, paulo longiores quam latiores, minute emarginatae. Carpella erecta, oblonga, cum stylis 2.5 mm. longa: styli 1 mm. longi.
(1) N.W. Yunnan: A-tun-tsu, alpine rocks, 14~15,000 feet. 1911. F. Kingdon Ward, No. 37-
72 PRAEGER—SoOME ASIATIC SEDUMS.
(2) A-tun-tsu : screes, 16,000 feet. Flowers yellow, cushion. 6.8.13. F. Kingdon Ward, No. 962.
Sedum Barnesianum, Praeger, sp. nov. (Plate clxxi, 1).
Sectionis Rhodiolae species humilis e serie Primuloides Prae- ger, quae grex caudicis foliis bene evolutis distinguitur. Sede Levit, R. Hamet est proxima, sed caudicis squamis longe del: toideis nullis, caudicis foliorum lamina lineari-rhomboidea (nec ovata), ramis floriferis horizontalibus (nec erectis), foliis ram- orum floriferorum linearibus (nec ovato-oblongis), sepalis caudato-acuminatis (nec acutis), petalis caudatis (nec obtusis), squamis nectariferis quadratis (nec duplo latioribus quam longi- oribus) distinguitur.
Herba perennis, glabra, ramis sterilibus nullis. Caudex erectus, simplex, brevis, crassus, I-2 cm. longus, ad 1 cm. latus, foliis ramisque floriferis et emarcidis et vivis coronatus. Caudicis foliorum emarcidorum laminae dilapsae, petioli persist- entes, erecti, lineares, plani, truncati, nigrescentes, annulum densum circum gemmulam formantes. Caudicis folia viva pauca (4-8), erecta, petiolata, integra; petiolus linearis, planus, 9 mm. longus, .75 mm. latus, basi paulum dilatatus; lamina lin- eari-oblanceolata vel lineari-rhomboidea, acutiuscula, 6 mm. longa, 1.5 mm. lata. Rami floriferi pauci (2-6), simplices, grac- iles, 2.5 cm. longi; parte inferiore nudi, erecti, parte superiore foliosi, horizontales, apicibus adscendentibus. Rami floriferi vetusti subpersistentes, adscendentes. Ramorum floriferorum folia conferta, sessilia, integra, plana, lineari-rhomboidea, sub- acuta, 4-5 mm. longa, 1 mm. lata, apice et basi angustata. Flores solitarii, hermaphroditi, 5-meri, campanulati, albi vel al- bidi. Sepala libera, ovato-oblonga, caudato-acuminata, viridia, 3mm. longa, 1.5 mm. lata. Petala libera, suberecta, ovata, apice caudata, 4.5 mm. longa, 2 mm. lata. Stamina 10; episepala 3 mm. longa; epipetala 2.5 mm. longa, triente adnata. Squamae _nectariferae quadratae, .75 mm. longae et latae, apice subretusae. Carpella erecta, gracilia, rubescentia, in stylos breves attenuata, 2.5-3 mm. longa. :
(x) Himalaya : Kalaeree, East Himalaya, 16,000 feet. 12.9.12. Coll. Rohmoo Lepcha, No. 434.
(2) Phari, Chumbi Valley, East Himalaya. 14,000 feet. 20.9.16.. Coll. Native Collector.
This little plant is an addition to the interesting group of
ums of which S. primuloides, Franch. and S. Praegerianum
W. W. Sm. are examples, and which, as I have endeavoured to show,* belongs to the section Rhodiola and consists of primitive * Praeger (R. L1.), Trans. Bot. Soc. Edinb. xxvii, 107. :
PRAEGER—SomME ASIATIC SEDUMS. 73
forms in which the caudex-leaves have not degenerated into scales, as in the better known members of the section. It is thus allied to SS. Praegerianum, W. W. Sm., M osstt, Hamet, Levii, Hamet, Karpelesae, Hamet, Hobsonii, Hamet, Durisii, Hamet, Balfouri,
amet, primuloides, Franch., pachyclados, Aitch. and Hemsl., and Leveilleanum, Hamet, but is easily distinguished from all of these. Thus, pachyclados and primuloides have slender el- ongate branched caudices (not very short, thick, simple) ; pachy- clados, primuloides, Karpelesae, Levit and Durisii have caudex- leaves with a very broad (not linear-rhomboid) lamina, and in the last-named the leaves are pilose (not glabrous) ; Karpelesae has stem-leaves subverticillate (not alternate); Balfouri and Mossii are much taller plants with flower-stems respectively 30 and rocm. (not 2.5 cm.) long, and in the former the leaves are ciliate ; Hob- sonit has ovate-oblong (not linear-rhomboid) caudex-leaves, and it and Levii have ovate (not linear-lanceolate) stem-leaves ; Leveilleanum has broader cuspidate (not subacute) caudex-leaves and many erect (not few horizontal) flower-stems ; Praegerianum is a plant 3-4 times as large with caudex bare of old leaves and very erect red petals. §. Barnesianum resembles Leveilleanum and Levit in its dense external ring of dead leaves, but in the former the whole leaf (not merely the petiole) is persistent, and in the latter the deciduous lamina is ovate (not linear-rhomboid). It resembles Karpelesae and Levii in its solitary flowers, all the other members of the group having several or many flowers on each stem. It resembles Praegerianum in habit, especially in its horizontal flower-stems.
The species is dedicated to Miss Eileen Barnes, to whose in- dustry and skill I owe drawings of nearly two hundred species of Sedum.
S. Beauverdi, Hamet.
(1) Yunnan: Hills around Tengyueh. Lat. 25° N. Alt. 6000 feet. Tufted plant of 1-2 inches. On dry rocks. July 1912. Forrest, No. 8323.
(2) Yunnan: Tali Range. Lat. 25° 4o’ N. Alt. 11,000 feet. Tufted plant of 2-3 inches. Flowers brassy-yellow. Ledges and crevices of cliffs and on humus-covered boulders. Sept. 1913. Forrest No. 11,711.
S. Bergeri, Hamet. “Yunnan : Leg. Ducloux. 2263. Herb. Mus. Paris.”
S. bhutanicum, Praeger, nom. nov. S. Cooperi, Praeger (1919) nee Clémenc. (1868).
74 PRAEGER—SoME ASIATIC SEDUMS.
(1) Himalaya: Kapup, Sikkim. Alt. 12,000 os 6. 9iE3) Yellow, among stones and gravel. Cooper, No.
(2) Himalaya: Guicha-La, E. ae: = 000 feet. 12.8.13. Coll. Rohmoo Lepcha, No. 1002.
(3) Himalaya: Palansgarh, Byans, about 10,000 feet. July 19, 1886. Presented by J. R. Reid. (As “Sedum ? Reylei’’— a nomen nudum).
(4) N.W. Yunnan: On rocks, 13,000 feet, A-tun-tsu. 1913. F. Kingdon Ward, No. 564 (in part).
(5) Yunnan : Forrest, No. 2492. (See supra v, p. 120, where it is recorded as 8. bupleuroides, Wall. by Hamet ; also supra vii, p. 135, where it is named S. bupleuroides, Wall. (?) by Diels).
(6) N.W. Yunnan: Mountains north of A-tun-tsu. Lat. 28° 35’ N. Alt. 14,000 feet. Plant of 2-4 inches. Flowers deep dull crimson. On humus-covered boulders in shady situations. G. Forrest, No. 14,071.
The following additional records are included here with some doubt. ‘The bupleuroides group, to which S. bupleuroides, S. bhutanicum, and S. discolor belong, is difficult, and the species (as is the way of Rhodiolas) offer no constant characters by which they may be separated readily in all cases :—+
N.W. Yunnan : A-tun-tsu. On rocks, 13,000 feet. 1913. F. Kingdon Ward, No. 564. (Poorly developed, probably shade grown. JLeaves small and shortly stalked and rootstock slender, in these characters approaching S. discolor).
The following are in Herb. Kew :—
(8) Chumbi—Kangboo, 2 Aug. 1882. Flowers pink. Coll.
Dungboo. (9) Phari. July 1879. Fl. orange. Coll. Dungboo. (In these two gatherings the leaves are narrower than in type and glaucous below, approaching discolor. But they have the moder- ately thickened rootstock which belongs to S. bhutanicum.
S. Bouvieri, Hamet.
(1) Himalaya: Sedumsp.n. Height above Chahlek, Byans, about 12,000 feet. July 23, 1886. Pres. by J. R. Reid, C.LE.
(2) W. Nepal: Sedum sp.n. Rocks in Nampe Gadh, Nepal. 13,000 feet. 27.7.86. J. F. Duthie, Coll. No. 5565.
There is a sheet of the second gathering in the Kew Herbarium, accompanied by good drawings of the female flower by Miss M. Smith. It is labelled, ‘‘Sedum near tint Shoei to which is added, ‘“‘Rather S. coriaceum, Wall.— ef Aad
S. bracteatum, Diels. (1) Yunnan: Plante annuelle tendre. FI. jaunes.. Valtons
PRAEGER—SOME ASIATIC SEDUMS. 75
humides boisés de To-ch’an. Alt. 3200 m. Aoft. E. E. Maire, No. 1016/1913.
(2) = unnan: Western flank of the Shweli-Salwin divide. Lat. 25° 20’ N. Alt. 10,000 feet. Plant of 3-6 inches. Flowers yellow. On rocks. August 1912. Forrest, No. 8982.
(3) Yunnan: Mountains in the N.E. of the Yangtze bend. Lat. 27° 45’ N. Alt. 10,000 feet. Plant of 4-8 inches. Flowers golden-yellow. Open shady situations on rocks. Aug. 1913. Forrest, No. 10,954.
(4) Upper Burma: Fls. bright yellow. On shady banks with other undergrowth, forest, 10,000 feet. 12.8.14. Hpimaw Pass. F. Kingdon Ward, No. 1878.
(5) Upper Burma: Hpimaw Pass. Alt. 10,500 feet. June 13, 1919. Sedum sp. Damp cool moss banks near Hpimaw Pass. R. Farrer, No. 1026.
S. Celiae, Hamet.
Three gatherings from Tong-tchouan, alt. 2600-2700 metres. . E. Maire.
S. Chauveaudi, Hamet.
(1) Shantung. Rev. Alex. Williamson, 1864.
(2) Yunnan: Sedum vivace. Fl]. jaunes. Rochers au pied des montagnes 4 Tong-tch’ouan Alt. 2550 m. Oct. E. E. Maire, No. 601/1913.
(3) Yunnan: Sedum annuelle. Fl. jaunes d’ocre.. Toitures et tertres 4 Tong-tch’ouan. Alt. 2500 m. Novembre. FE. E. Maire.
Sedum concinnum, Praeger, sp. nov. (Plate clxxii, 2).
Species e grege Rhodiola, S. roseo, Scop. subsimilis sed minuta; caudicis squamis imbricatis regulariter dispositis, caulibus dense mammillatis pollicaribus, foliis obovatis infer- loribus integris superioribus saepe margine sinuosis, cymis paucifioris notata.
Herba perennis, glabra. Radices longae, crassae vel grac- iles. Caudex erectus, ramosus, ramis 2-3 cm. longis, gracilis, 5 mm. crassus, caulibus vetustis haud obtectus, squamis del- toideis acuminatis carinatis regulariter imbricatis 2 mm. longis 2 mm. latis dense indutus, apice caules floriferos édens. Caules pauci, erecti, simplices, graciles, 2.5 cm. longi, .5-.75 mm. crassi, undique detise mammillosi, infra medium nudi vel folia paucis- Sima minutissima ferentes, supra medium foliosi. Folza alterna vel subopposita, plana, viridia, 5-7 mm. longa, 2.5 mm. la late obovata vel obovato-rhomboidea vel chovato-oblonga vel
76 PRAEGER—SOME ASIATIC SEDUMS.
obovato-lanceolata, apice rotundata, basi cuneata; inferiora integra breviter petiolata, petiolis mammillatis ; superiora sessilia marginibus saepe sinuata. Inflorescentia 5 Hon, pedicellis gracillimis purpureis flores aequantibus. Flos oO‘ :—Sepala4, ob- longa, obtusa, 1.75 mm. longa, .5 mm. lata, basi purpurea, apice aurea. Petala 4, oblongo-linearia, obtusa, 2.5 mm. longa, .6 mm. lata, reflexa, aurea et purpurea. Stamina 8, 2.25 mm. longa, epipetala sextante adnata; filamenta purpurea. Squamag nectariferae oblongae, emarginatae, .5 mm. longae, .3 mm. latae, reflexae, purpureae. Carpella 4, 1.2 mm. longa, vacua. Yunnan: Lichiang Range, lat. 27° 25’ N. Alt. 12,000 feet. June 1913. Plant of 1-2 inches. Flowers ruddy-green. Open limestone rocks. G. Forrest, No. 10,319. A very elegant plant, recalling especially in its flowers a tiny
S. roseum, but differing from the roseum group in its well-devel- oped caudex-scales.
S. coreense, Nakai.
‘‘Affine S. polystichoides (‘‘polytrichoides’’), sed folia sunt lati- ora et laxa. Caulis simplex v. ramosus 4-15 cm. altus carnosus, in- ferne squamis rubris ellipticis 2-4 mm. longis obtectus et praeci- pue circa basin imbricato-obtectus. Folia eon ee ee v. oblanceolata carnosa viridia sessilia 1-1.5 cm. longa, 2-2.5 m lata. Cyma 2-3 cm. lata oligoflora. Flores sessiles flavi cal meri. Sepala angusta 1 mm. longa. Petala 2.5 mm. longa an- gusta. Corea: Imsil, viii. r9gt2. (T. Mori, No. 132).. In silvis insulae Wangt3 20.vi.1913. (T. Nakai No. 799).’’ Fedde Reper- torium xiii, 272-3.1914.
Nakai’s description is meagre, especially as regards the flower, and may be amplified from a good series of Corean specimens Or Faurie’s and Taquet’s collecting in Herb. Léveillé (named in all cases S. polytrichoides, Hemsley).
Plant perennial, tufted. Barren shoots quite short, with leaves crowded at apex. Lower leaves of the flowering shoots small, and with those of the previous season persistent and withering, forming the ‘‘squamae rubrae’”’ of the description.
Inflorescence of 2-3 simple or forked 3-q-flowered branches. Sepals deltoid, blunt, 1.5 mm. long, 1 mm. wide at base. Petals elongate, lanceolate-deltoid, rather blunt, 5 mm. long, with a mucro falling short of the tip. Stamens 2.5 mm. long, the epipetalous ones inserted near base. Scales spathulate, emar- ginate, only .25 mm: long. Carpels 3 mm. long, tapering into the styles.
The main points of ie with Nakai’s diagnosis are in the sepals and petals, the latter beitig twice as long as in his
PRAEGER—SoME ASIATIC SEDUMS. 77
description ; but his too brief notes on the flower probably point to poor material or inadequate observation. With the main points of his description the specimens agree.
Corea: (1) In rupibus montium, Naipiang, Julio 1901. U. Faurie, No. 276. (2) In rupibus littoris Ouen-san, Junio 1906. U. Fatitie, No. 633.
Quelpaert : (1) In rupibus Quelpaert, Junio 1907. U. Faurie, No. 1807. (2) In rupibus Hallaisan, 1400 m., 12 Aug. 1908. E. J. Taquet, No. 817. (3) In rupibus Hallaisan, 1500 m., 25 Aug. 1911. EH. J. Taquet, No. 5612.
S. crassipes, Wall.
(1) Upper Burma: Imaw Bum. Alt. 13,000 ft. Lat. 26° to’ N. Long. 98° 30’ E. 27.7.19. Sedum. Flowers palest yellow or cream. Anthers red. On boulder screes among scat- tered shrub-growth; or amongst dwarf Rhododendrons. F. Kingdon Ward, No. 3426.
(2) Yunnan : Western flank of the Shweli-Salwin divide. Lat. 25° 20’ N. Alt. 11,000 feet. Plant of 6-16 inches. Flowers dull brassy-yellow. In crevices of cliffs and on humus-covered boulders. Aug. 1912. Forrest, No. go15.
Sedum Cretini, Hamet, (Plate clxxi, 2).
(1) Himalaya: Guicha La, East Himalaya, 16,000 feet. 12.8.13. Coll. Rohmoo Lepcha, No. 1007 (female plants in flower).
(2) Himalaya: Guicha La, 15,000 feet. 1913. Coll. Ribu and Rohmoo, No. 6633 (female plants in immature fruit).
This species was recently (Journ. of Bot. liv (1916) Suppl. pp. 16-18) described by Hamet from plants collected in Sikkim by Smith and Cave in 1909 (Nos. 1206, 1299) at 12,000-16,000 feet. The specimens, which are very fully described, are all male. The species is remarkable among the Rhodiolas for having a slender branched rhizome which emits many slender suckers, which on coming to the surface give rise to a new tuft of flowering shoots. Among described species ot Rhodiola this habit is unique, but as figured in a forthcoming paper in Journ. Roy. Hort. Society a plant of S. crassipes, Wall. in my garden behaved in an exactly similar manner. Another of similar habit, S. dis- color, is mentioned in the present paper. Some other species (e.g., S. himalense, Don) are capable of sending out slender sucker-like shoots if the rhizome is injured below the ground :
».these, on reaching the surface, proceed to develop flowering shoots from the axils of their scale-leaves, and the sucker thickens and elongates into a normal aerial caudex. As S. Cretini i is re-
78 PRAEGER—SoOME ASIATIC SEDUMS.
markable among Rhodiolas, the female plant is figured here, and the female flower described.
Flos Q@ :—Sepala libera, linearia, obtusa, 4 mm. longa, .8 mm. lata. Petala libera, lineari-oblanceolata, obtusa, 4.5 mm. longa, 1.2mm. lata. Stamina nulla. Squamae nectariferae quadratae, emarginatae, .75 mm. longae et latae. C st de 6.5 mm. longa, in stylos capitellatos divergentes angusta
S. Cretini is closely related to S. cra eile, Wall., and two of the more obvious characters by which it is distin guished—its soboles and its dioecious flowers, are not unknown in abnormai forms of that species. But its candex appears never to become thick and aerial, each crown being short-lived; its flower-stems are much shorter, its leaves shorter and broader, and only the upper ones slightly toothed. Of flower characters it is not pos- sible to speak with certainty, as the floral parts in both species are variable in shape and relative length, and abundant material would be necessary for adequate comparison.
There are two sheets of this species in Kew Herbarium. One, displaying the typical plant (9) is of J. D. Hooker’s collecting, from Lachen, Sikkim, 12,000-14,000 ft., June 20 and July 14 1849. It is labelled by Hooker “‘S. tastes. Wall. rain junior)’’ and by C. B. Clarke “‘S. asiaticum, DC. FI. Ind. 11, 419” (which=crassipes, Wall., not astaticum, DC.) The other (also Q) is from ‘“Tongolo, Principauté de Kiala, Thibet Oriental,” J. A. Soulié, 1893 (No. 325). While possessing the slender branching rhizomes and unisexual flowers of S. Cretini, its stems are taller than in the type (8-16 cm. instead of 3—5 cm.), and its leaves longer and more toothed; in these respects it varies to- wards its close ally S. crassipes. This second plant, and the stoloniferous form of crassipes referred to above, suggest that S. Cretini might be more correctly placed under S. crassipes as a variety.
S. discolor, Franchet. (Plate clxxiii).
Four sheets in the Edinburgh herbarium and one at Kew are best placed here, but Franchet’s description must be amplified to receive them. His diagnosis, founded on two gatherings of Delavay (Nos. 3691, 3771) describes the plant as hermaphrodite, many-stemmed, leaves 2-3 mm. broad with a few teeth at the apex, and carpels 4 mm. long. ‘The gatherings which I have seen include both dioecious and hermaphrodite plants character- istically single-stemmed or at most 2—3-stemmed, with leaves 3-5 mm. broad, toothed throughout their length or more rarely en- tire, and carpels (in the female and hermaphrodite plants) only 1.5-2 mm. long, in fruit 3-4 mm. long. -In other features the
PRAEGER—SoME ASIATIC SEDUMS. 79
plants agree with discolor as far as is to be expected in this vari- able group. As Franchet’s description is somewhat short and ‘includes only the hermaphrodite plant, I append the description and figure which I had prepared before it had appeared that the ‘specimens might be placed under S. discolor, amplifying from Franchet where required by notes in parenthesis.
Species S. bhutanico, Praeger, S. purpureoviridi, Praeger, S. bupleurcidei, Wall. consanguinea. Sedo bhutanico proxima, sed caudice gracili repente (nec crasso erecto), foliis minoribus angustioribus brevipetiolatis (nec sessilibus) subtus glaucis (nec viridibus), sepalis floris feminini deltoideis (nec linearibus), squamis floris masculini multo minoribus, carpellis floris mas- culini multo majoribus, differt. A S. purpureoviridi caulibus foliisque glabris (nec pubescentibus), caudice gracili repente, (nec crasso erecto) etc. differt. A S. bupleuroide caudice gracilt repente (nec crasso erecto), foliis angustioribus brevipetiolatis (nec sessilibus) plerumque dentatis (nec integris) subtus glaucis (nec viridibus) marginibus revolutis (nec planis), etc. differt.
Herba perennis, glabra, caules steriles non edens. Caudex gracilis, sinuosus, elongatus, ramosus, hypogaeus, 3-5 mm. dia- metro, in senectute apice ad 5-8 mm. incrassatus, per longitud- inem radices fibratas emittens, apice squamas longe deltoideas (ovato-lanceolatas ex Franchet) acuminatas et caules floriferos erens. Caules solitarii, raro bini vel terni (plures ex Franchet), erecti, simplices, glabri, foliosi, 12-40 cm. longi, 1.5-3 mm. crassi; caules vetusti per 2-3 annos nonnumquam persistentes. Folia alterna, internodiis longiora, suberecta, oblongo-lanceo- lata, raro ovato-lanceolata vel lineari-lanceolata vel ovata, (ob- longo-linearia ex Franchet), obtuse dentata vel integra, maxima 9-25 mm. longa, 3-5 mm. lata, (2-3 mm. lata ex Franchet), apice acuta vel acuminata, basi auriculata vei rotundata, breviter peti- olata, supra viridia, subtus albo-glauca, marginibus revolutis ; petiolus 1 mm. longus; folia infima minora, saepe minutissima. Inflorescentia cymoso-paniculata, in planta bene evoluta 3-5 cm.
onga, 5-10 cm. lata, laxa, in planta minore 1 cm. longa, I.5 cm. lata, densa, e ramulis circa 4, 2-3-plo furcatis composita, sparsim foliosa, bracteis foliis similibus sed minoribus. Flores 4-meri (saepius 5-meri ex Franchet), dioici vel raro hermaphroditi (her- maphroditi ex Franchet), pedicellis breviores. Flos masculinus : —Sepala longe deltoidea, obtusa, 1 mm. longa, .5 mm. lata, parte superiore erecta. Petala oblongo-lanceolata, obtusa, per- concava, patentia vel deflexa, 3 mm. longa, 1 mm. lata. Stamina 8, epipetala brevissime adnata, 1.5 mm. longa; episepala 2mm. longa. Squamae nectariferae oblongae, integrae, .5 mm. longae et latae. Carpella erecta, 1 mm. longa. Flos hermaphro- ditus :—Sepala oblongo-lanceolata, obtusa, I mm. longa, .5 mm.
80 PRAEGER—SoOME ASIATIC SEDUMS.
lata, parte superiore erecta. Petala ovato-oblonga, sub-acuta, per- concava, patentia vel deflexa, 2.25 mm. longa (3 mm. longa ex Franchet), 1 mm. lata. Stamina 8, 2 mm. longa, epipetala brevissime adnata. Squamae nectariferae spathulato-cuneatae, integrae, .5 mm. longae et latae. Carpella erecta, 1.25 mm. longa (4 mm. longa ex Franchet), stylis incurvatis. Flos fem- minus :—Sepala deltoidea, obtusa, I-2.5 mm. longa, .6-I.0 mm. lata. Petala oblonga, obtusa, 2-4 mm. longa, 1.25 mm. lata. Stamina nulla. Squamae nectariferae cuneato-oblongae, integrae, .6 mm. longae, .5 mm. latae. Carpella 2 mm. longa, crassa, erecta, stylis Yintadiis divergentibus. Folliculi erecti, 3-4 mm. longi.
(1) Yunnan : Eastern flank of the Lichiang Range. Lat. 27° 20’N. Alt. go00-10,500 feet. June 1906. Plant of 9-12 inches. Flowers reddish-brown, anthers green Dry, stony, open situa- tions, ledges of cliffs, ete. G. Forrest, No. 2441. (Male plant. Recorded as ‘‘S. bupleuroides?’’ in Notes R. Bot. Gard. Edinb. Vii, I3I).
(2) Yunnan: Eastern flank of the Lichiang Range. Lat. 27° 15’ N. Alt. 12,000 feet. June 1910. Plant of 4-8 inches. Flowers deep ruddy-green. Open mountain pasture. For- rest, No. “5690. (Female and hermaphrodite plants. Re- corded as S. bupleuroides in Notes R. Bot. Gard. Edinb. viii,
40).
(3) Sikkim: Changu. Alt. 12,500 feet. 2.7.13. On turf among mossy boulders. R. E. Cooper, No. 128.
(4) Sikkim: Changu. Alt. 12,500 feet. 28.6.13. Amongst mossy boulders old river bed. R.E. Cooper, No. 26.
(The last two not very characteristic—leaves entire and nearly sessile, only slightly glaucous below, and caudex, though horiz- ontal, somewhat thickened).
Wilson’s No. 3623 (‘‘Rocks, 12,000 feet. 7/04’’) in the herb- arium at Kew and the British Museum, belongs here—a dwarf plant with unusually broad, ovate leaves (9 x ‘S mm.) only slightly glaucous below. Wilson’s No. 3623a ‘‘10,750 feet. 6.04”? at Kew is a taller form with longer leaves of the same ‘breadth as the last.
Undoubtedly this species and S. purpureoviride are near the Himalayan S. bupleuroides, but that species is especially dis- tinguished by its very broad entire glabrous leaves, which are ‘constant in these characters. In view of the sanbaleekaliiy of floral features in the Rhodiolae, leaf-characters possess an added importance, and even if the difefences of flower between the three prove with further material to be slight, the leaf-characters are well marked ; the slender, creeping caudex of S. discolor be- sides separates it from the other two, just as the characteristic
PRAEGER—SOME ASIATIC SEDUMS. 81
pubescence of leaf and stem in S. purpureoviride divides it easily from S. bupleuroides and S. discolor.
S. dumulosum, Franchet.
Shansi: Wutaishan, Sept. 17-24, 1913. Mary Strong Clemens, No. 9063. (A tall form—stems 9 inches high—with large flowers).
There can be no doubt that ae rariflorum, N. E. Brown, which was described from an immature specimen (Herb. Kew) and is now in cultivation at Kew, is referable here. S. Farreri, W. W. Sm., also comes so close that it cannot be considered distinct. S. dumulosum is evidently a variable species as regards the length of the parts of the flower and the erosion of its petals, but all the specimens examined are easily referable to a well-marked general type characterised by linear leaves, congested inflores- cence, linear-deltoid acute sepals, lanceolate or ovate-lanceolate acuminate flagellate erect petals, and short quadrate scales. The variations referred to as noted in the specimens examined may be shown as follows (measurements in mm.
|
fer | | Erosion a |St | Sep | Pet. ‘. am. ‘Carp. | of Petale _| | or type 4a) Sie we ee 6 ies ( (ex dese aS | | dumulosum (Fr. Hugh, i ; Herb. B.M., éesée amet) Spt oe TT tee ec? | Medium | Clemens 9063 (see above) 61 ir 3 | 8.5 10 Absent | | rariflorum (Kew Gardens) 5 TP SS phil ice 7 7 -Slight:.-| j } Farreri (type spec. Hb. | | | | Edinb). ¥O) xX 4 | 7 7 Strong | } { } 3
| |
Another variable feature is in the stems, which are sometimes mammillate near the base, sometimes smooth. The stems vary in height from 3 inches (Hugh) to 9 inches (Clemens), but this probably is due to habitat. Farreri is a handsome, stout form, with long sepals and broad strongly eroded petals ; but in view of the variability in these respects of the examples of dumulosum Available, it seems better not to award it varietal rank till we know more about the species.
S. Engleri, Hamet. ~ (1) Yunnan: Vé gué mo dja prés Pintchouan. Plante _-€ueillie par Jean Py. 2.7.1909. F. Ducloux, No. 1612.
82 PRAEGER—SoME ASIATIC SEDUMS.
(2) Yunnan: On the Tong Shan in the Yangtze Bend. Lat. 27° 20'N. Oct. 1913. Succulent plant of 6-8 inches. Flowers green. Ondry rocks. Forrest, No. 11,439.
This plant was described by Hamet from incomplete specimens, wanting caudex and roots. These are present, though not in their entirety, on the two sheets referred to above, as also in the type specimen of var. Forresti, Hamet, described subseqdently to the species. They are puzzling and render difficult the placing of the species in any accepted section of the genus. One speci- men, apparently a young plant, has a bunch of straight roots, the main one tapered, recalling those of young plants in the sections Telephium and Aizoon. But mature plants show a sinuous un- branched rootstock some inches in length and % inch thick which each year produces a terminal flowering shoot, growth being con- tinued from a lateral point at the base of this, so that the caudex forms a rough zig-zag marked with scars of old shoots about % inch apart. This mode of growth is not found in any section of the genus. The leaves of the plant closely resemble those of section Telephium, being flat, very broad, entire. The large very unequal sepals recall those of the Japonica series and of many Mexican species, and are very far removed from those of Telephium. In Forrest 11,489 the leaves are subopposite or sub- ternate, not alternate as in the description. They are also de- scribed as oblong, but on both these sheets are broadly obovate, the upper ones alone approaching an oblong form. The absence of a perennial terminal bud producing scales from the axes of which > flowering shoots arise keeps the plant out of section Rhodicla, which in some respects it recalls. If the above observations are confirmed by more complete material, the plant may have to be placed in a new section. °
S. fastigiatum, H.f et T.
Sikkim: Dzalep La. 14,000 ft. 4.7.13. ee among boulders and debris of scree. R.E. Cooper, No. 1
S. filipes, Hemsley.
Upper Burma: Kang-fang, E. flank of Imaw-Bum Range. Lat. 28° 20° Ny long. o8°° x0 Ale 6000 ft; ~45.0.10- Flower pure white, stamens brick red. Growing in beds of moss in a very dark situation beneath a big boulder in the forest. A charming little plant with the leaves almost membranous. F. Kingdon Ward, No. 3
Well-preserved specimens in the Edinburgh herbarium, col- lected by E. H. Wilson in Hupeh in rgor and 1907, and others
PRAEGER—SOME ASIATIC SEDUMS. 83
at Kew, show that the flowers are sometimes purple (of a lilac shade in sicco)—apparently more often purple than white.
S. formosanum, N. E. Br.
(1) Kwang-tung: Swatow, 180 miles N.E. of Hong Kong. 25.4.00. J. M. Dalziel. (2) Fo-kien: Foochow, May 1897. W. R. Carles, No. 597.
Sedum horridum, Praeger, sp. noy, (Plate clxxiv, 1).
Rhodiola S. nobili, Franch. et S. Smithi, Hamet, ex descript. afinis. Ab S. nobili caulibus pedicellisque foliisque scabridis (nec glabris), inflorescentia 4—8-flora (nec uniflora), caulibus vetustis inferioribus erectis (nec patulis), petalis 3 mm. (nec 6 mm.) longis etc. differt. Ab S. Smithi caulibus etc. scabridis (nec glabris) ro- bustis (nec gracilibus), sepalis petalisque angustioribus, etc. dis- tinguitur.
Herba perennis scabrida, caules steriles non edens. Caudex erectus, crassus, simplex, nisi basi caulibus emarcidis vetustis imbricatis squamisque longe deltoideis 5 mm. longis dense ob- tectus, apice caules floriferos ex squamarum longe deltoidear- um axillis ferens. Caules multi, erecti, simplices, dense foliosi, scabridi, circiter 4 cm. longi. Folia oblongo-lanceolata ad ob- longo-ovata, obtusa, sessilia, crassa, supra subtusque papillosa,
mm. longa, 2-2.5 mm. lata. Inflorescentia densa, 4-8-flora, bracteata; bracteae foliis similes sed minores; pedicelli .5 mm. longi. Flores 4-meri, dioici, 4 mm. longi. Flos gt: Sepala ob- i vel oblongo-lanceolata, semiteretia, obtusa, 2.5-3 mm. longa, .75-1.0 mm. lata. Petala erecta, ovata vel ovato- isnchovies, obtusa, 3 mm. longa, 1.75 mm. lata, parte connata .5 mm. longa. Stamina 8, 3.25 mm. longa, epipetala fere ad basim inserta, filamenta longissime deltoidea. Squamae nectari- ferae subquadratae, apice retusae, .3 mm. longae, .5 mm. latae. Carpella abortiva, .75 mm. longa
W. Yunnan: Mossy, stony, shady situations in pine forests on the eastern flank of the Tali Range. Lat. 25° go’ N. Alt. 12,000-13,000 ft. Oct. 1906. Erect plant of 3-9 inches. Flowers green, anthers brown. G. Forrest, No. 5055. (Pub- lished as S. nepile, Franch., vel aff. in Notes R.B.G. Edinb, vi, 293). From the few other Rhodiolas payee by general scab- tidity it is easily distinguished. S. scabridum, Franch. has acuminate mucronate (not blunt) eae acuminate (not blunt) sepals, lanceolate acute (not ovate blunt) petals and a much shorter slender caudex. S$. Bouviert, Hamet has ovate acute (not
linear-Janceolate blunt) leaves, erose (not entire) petals, ete. a. G
84 PRAEGER—SOME ASIATIC SEDUMS.
~himalense, Don and S. purpureoviride, Praeger are tall stemmed plants, not at ali near to the present species, and S. Durist is like- wise far removed, having a short caudex and a basal rosette of leaves.
S. humile, Hf. et T.
E. Himalaya: Chakalung La, 16,000 ft. 12.9.12. Sedum sp. Coll. Rohmoo Lepcha, No. 314.
S. indicum, Hamet.
The type is a common plant in Yunnan and E. Tibet.
var. densirosulatum, Praeger.
(1) Yunnan: Sedum vivace, feuilles de la base imbriquées. Fl. rouges. ‘Toitures, vieux murs, plaine de Tong-tch’ouan. Alt. 2500 m. Novembre. E. E. Maire, No. 232/ 1914.
(2) Yunnan: Dry situations amongst rocks on the divide be- tween the Hoching and Lichiang Valleys. Lat. 26° 40’N. Alt.
8000 feet. Nov. 1910. Plant of 3-6 inches. Flowers greenish- purple. In seed. G. Forrest, No. 7251.
~ (3) Yunnan: Lichiang Range. Lat. 27° 30’ N. Alt. 10,000 feet. Sept. 1918. Succulent plant of 1-3 Sacha All parts dull dark crimson. On rocks and stony dry pasture. G. For- rest, No. 17,099.
var. luteorubrum, Praeger, var. nov. (text figure).
Flores quam in typo majores, scpalis deltoideo-lanceolatis -acuminatis 4 mm. longis, 1.5 mm. latis, petalis lanceolatis acum- inatis 5-5.5 mm. longis, 1.5 mm. latis, staminibus 5, 4.5 mm. longis, squamis nectariferis quadratis emarginatis .75 mm. longis, .6 mm. latis, carpellis cum stylis longis linearibus 3—4:5
mm. longis.
Yunnan: Mekong-Salwin divide. Lat. 28° 10’ N. Alt. 11,000 feet. Plant of 4-7 inches. Stems and calices red. .Cor- olla pale yellow tipped red. Anthers yellow. Open dry situa- ‘tions amongst rocks and boulders. Aug. 1914. G. Forrest, No. 13,377-
It is with some hesitation that this plant is set down as a var- iety of S. indicum, and not as a species, and if leaves were pre- sent they might show that the plant is quite distinct. But the presence of only 5 stamens, and the peculiar shape of the stamens -and carpels are characteristic of indicum, the sepals and petals of which are variable in shape and relative length. The character- istic thickening on the face of the petal of indicum unfortunately
PRAEGER—SOME ASIATIC SEDUMS. 85
' cannot be detected in the dried plant. The stems, pedicels, back and edges of the sepals, and tips of the petals are finely and shortly papillose, a character which I have only once seen (Herb. Edinb.) on S. indicum, which is typically glabrous; it is quite different from the hairiness of var. yunnanense. ‘The erect stem ~is unbranched save quite at the top, giving the inflorescence (which is about 1% inch long and 2 inches broad) an umbellate appearance (different from normal indicum). A few of the upper- most bracts remaining resemble the sepals, and are sessile, lanceolate and acuminate (those of indicum are usually stalked and oblanceolate or oblong). The flowers are yellow, much flushed with red, and are 6 mm. long—much longer than in typical indicum, but there is one plant in Herb. Edinb. with flowers as large. The long, straight, erect petals make the out- line of the flower oblong, different from the sub-orbicular shape given by the incurved petals of indicum. ‘The stem shows scars - of 20 to 30 leaves, the scars being crowded at the base as in in- dicum, but showing none of the thickening usually seen in in- dicum as the result of its first year rosette stage.
jc geieeg ise.
Sedum indicum, Hamet, var.