866 
THE ALPINE AND SUB-ALPINE VEGETATION 
SS8. Poteiitilla leuconota Don 
Changu, 11 — 13^000 ft., Nos. 3404, 3692. 
229. Potentiila iHicropIiylla Don 
Common throughout the range, 12 — 15,000 ft., No. 3553. 
VAR. acliilleaefolia 
Nathui La, 13,000 ft.. No. 3203. 
VAR. coiiiiinitata 
Changu, Tosa, Gaoring 10 — 15,000 ft.. Nos. 3054, 
3993, 4049. Stamens frequeutl}^ only ten. 
VAR. pusilla var. nov. 
Nana, glabra ; interdum folii costa perpaucis capillis albis adpressis 
instructa ; folia 1 — 2 cm. longa ; Ooreb' 1 — 2, fere sessiles, pedunculi 
1 — 2 mm., sepaia bracteaeque lanceolata ; petala 3 mm. longa, obovata ; 
stamina 10 ; achenla 20 — 30, receptaculo villoso. 
Sherabthang, Chola 14 — 15,000 ft.. Nos. 3481, 3909. 
Potentiila coriandrifolia Don 
Throughout the range from 13 — 14,000 ft., Nos. 3415, 3946, 
4047. 
In the “ Flora of British India, ” ii, 353, the petals are described as yellow, 
The herbarium specimens con firm this in several instances. But the majority 
including all those I have collected show white petals with the lower fourth of a reddish 
purple. 
04, Poterium Linn. 
S31. PnteriiiM fiiifornie Hook. f. 
Sherabthang, Dikchu, 12 — 14,000 ft. Nos. 3238, 3714. 
282. Poterium diaiidrum Wall. 
Changu, Chola, 11-— 13,000 ft. Common. 
05, Kosa Linn. 
238. Rosa macropliylla Lindl. 
Laohung Valley, 9,000 ft. No. 3343. 
Not seen in the south-east area. 
234, Rosa sericea Lindl. 
Throughout the area, 8 — -13,000 ft. 
06. Firus Linn 
285, Pirus sikkimensis Hook. f. 
Lower Chakung Chu, 8 — 9,000 ft. 
