110 MR. W. B. HEMSLEY ON TWO SMALL 
Karakoram watershed on the desert plains wherever there was a 
little shelter and moisture, on Lingzi Thang and at Lak Zung, 
at 17,000 ft. 
13. Parrya lanuginosa, Hook. f. et Thoms.—Flowers purple. 
In water-logged stony soil at 17,600 ft. 
Western Tibet, in Gugi, at an altitude of 17,500 ft. 
14. Erysimum funiculosum, Hook. f. et Thoms.—Near water 
in valley at 17,600 ft. 
Sikkim Himalaya at 14,000 to 16,000 ft. 
15. Sisymbrium humile, C. A. Meyer.— Flowers white. 
Sandy, gravelly soil near water at 17,500 ft. 
Western Tibet, Siberia, and Arctic regions of North America. 
16. Braya rosea, Bunge.—Flowers purplish white. Muddy, 
stony soil close to streams at 17,800 ft. 
Alpine Himalaya, Altai, and Arctic Siberia. 
17. Braya uniflora, Hook. f. et Thoms.; Hook. Ic. Plant. 
t. 2251.—Flowers white. Sandy, gravelly soil at 17,600 ft. 
Western Tibet, in Nubra, at 15,000 to 17,000 ft. 
18. Draba incompta, Stev.—Flowers white. Gravelly soil in 
valleys at 16,500 ft. 
Caucasus, Persia, and Western Tibet. 
19. Draba alpina, Linn.—Flowers yellow. Valley, at 17,600 ft. 
Arctic and alpine regions all round the northern hemisphere. 
20. Cochlearia scapiflora, Hook. f. et Thoms.—At 17,800 ft. 
Sikkim and Western Tibet to Yarkand, at 15,000 to 18,000°ft. 
21. Christolea crassifolia, Camb.—Flowers white. Sandy, 
gravelly soil in valleys at 16,800 ft. 
Yarkand and Western Tibet at 12,000 to 15,000 ft. 
22. Capsella Thomsoni, Hook. f—Flowers white. Sandy, 
gravelly soil near water at 17,500 ft. 
Western Tibet at 16,000 to 18,000 ft. 
23. Lepidium capitatum, Hook. f. et Thoms.—Flowers purple 
with yellow centre. Stony ground close to water at 16,200 ft. 
Himalayas from Kumaon to Sikkim, at 10,000 to 14,000 ft. 
Also collected in Ladak. 
