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ENGLER—FRMSCHER—SAXIFRAGA. 127 
“Lat. 27° 25’ N. Alt. 11-12,000 ft. On humus-covered 
boulders and ledges of cliffs. (Plant of 2-5 inches. Flowers 
white.)’’ G. Forrest. No. 6206. July rgro. 
Saxifraga atrata, Engl. Bull. Acad. Petersb. xxix (1883), p. 277, 
“S.E. Tibet, on the Mekong-Salwen divide. Lat. 27° 28’ N. 
Alt. 11-13,000 ft. Dry, open, stony limestone ridges. (Erect 
plant of 2-4 inches. Flowers yellowish-white.)’”’ G. Forrest. 
No. 467. July-August 1903. 
“ N.W. Yunnan, eastern flank of the Lichiang Range. Lat. 
27° 12’ N. Alt: 11-12,000 ft. Rocky, shady situations in pine 
forests. (Plant of 2-6 inches. Flowers white, base of petals 
marked rich lemon-yellow, anthers dark red.)’’ G. Forrest. 
No. 2928. September 1906. 
“Lat. 27° 4’ N. Alt. 13-14,000 ft. Stony, alpine pasture, 
and on cliffs. (Plant of 2-3 inches. Petals pale yellow, with 
a blotch of deeper colour at base, gynaeceum dark green.)’’. G. 
Forrest. No. 6153. July 1gro. 
“ Lat. 27°20’N. Alt. 12,000 ft. Limestone drift and crevices 
of cliffs. (Plant of 3-4 inches. Petals white, with an orange 
blotch at base, gynaeceum deep, ruddy green.)’’ G. Forrest. 
No. 6417. August IgIo. 
i 
Saxifraga parvula, Engl. et #rmscher. Sp. nov. Plate xc. 
Dense caespitosa, caudiculis brevibus rosulatim foliatis. 
Caules floriferi erecti 1°5-2 cm. longi, unibracteati, uniflori, 
tota longitudine atro-purpurei, pilis longis purpureis densiuscule 
obsiti. Folia basalia rosulatim conferta, subrotundo-obovata, 
in petiolum marginatum subaequilongum angustata, g-1I mm. 
longa, 5-7 mm. lata, grosse crenata, subtus glabra, margine 
ac supra pilis longis multicellularibus pluriserialibus incoloratis 
laxe obsita. Pedicelli quam flores duplo longiores, dense longe 
violaceo-pilosi ; flores in anthesi nutantes ; sepala nec in anthesi 
nec in fructu reflexa, suberecta, petala paullum superantia, 
oblongo-ovata, 3°5-4°5 mm. longa, 2-3 mm. lata, superne margine 
sparse pilosa, trinervia, nervis anastomosibus conjunctis, sub 
apice in verruculam confluentibus, supra viridia, subtus dimidio 
inferiore vel omnino violacea ; petala albida ovalia in unguem 
brevissimum angustata, 3°5 mm. longa, 2-2°5 mm. lata, triner- 
via, nervis lateralibus e medio nervi primarii orientibus, nervo 
primario apice clavato-dilatato ; stamina pistillum fere aequan- 
tia, filamentis clavatis, antheris nigris ; ovarium late ovoideum 
carpellis fere usque ad basim disjunctis, in stilos brevissimos 
stigmate majusculo coronatos exiens, inferne violaceum. Cap- 
sula loculis oblongo-ovatis divaricatis. 
