COLLECTED IN CENTRAL TIBET. 135 
rank. It is restricted to the elevated alpine regions of the 
Himalayas and Tibet. See Maximowicz (FI. Tangut. p. 95, t.31), 
where it is fully described and figured. In Hooker’s Fl. Brit. 
Ind. i. p. 250, it is treated as a variety of ML. germanica. 
13. Gueldenstedtia ?, insufficient for determination.—Gela, 
on Ramongchu at 12,670 ft. Lat. N. 31° 40’, long. E. 94° 36’. 
Aug. 138, 1892. 
Fine crops of barley and turnips near by. 
14. Astragalus or Oxytropis, sp.? Material insufficient to de- 
termine the genus.—Toktomai-ulan-muren at 14,340 ft. Lat. N. 
34° 09’, long. E. 91° 80’. June 20, 1892. 
Sandy soil. 
15. Astragalus or Oxytropis, sp.? Material insufficient to de- 
termine the genus with certainty.— Valley of Murus, head-waters 
Yangtsekiang, at 14,900 ft. Lat. N. 33° 45’, long. E. 91° 20’. 
June 22, 1892. 
16. Potentilla fruticosa, Linn., var. pumila, Hook. f.—Plateau 
west of Dangla mountains at 16,350 ft. Lat. N. 32° 51’, long. 
E. §9° 44. July 3, 1892. 
Sandy soil, some clay. 
17. Potentilla anserina, Linn.— Plateau west of Dangla moun- 
tains ; saidy, some clay, at 16,220 ft. Lat. N. 33° 09’, long. E. 
89° 38’. July 2, 1892. 
This is widely spread in the temperate and cold regions of both 
the northern and southern hemispheres. 
18. Potentilla nivea, Zinn.—Kechu valley; on river-bottom 
at 12,700 ft. Lat. N. 31° 25’, long. E. 96° 28’. Aug. 22, 1892. 
Fine forest-growth, mostly pines (?) on hill-sides; fine grass. 
Alpine and Arctic regions of the northern hemisphere. 
19. Sedum algidum, Ledeb., var. tanguticum, J/axim.—Camp 
north of Tsacha-tsang-bo-chu ; sandy soil at 15,650 ft. Lat. N. 
32° 28', long. B. 90° 03". July 5, 1892. 
The species is a native of the Altai regions of Siberia; the 
variety was described from specimens from north-western Kansuh. 
20. Aster tibeticus, Hook. f.—Valley of Murus, valley-bottom 
at 15,640 ft. Lat. N. 33° 44’, long. E. 91° 18’. June 23, 1892. 
Western Tibet and Kashmir at altitudes of 14,000 to 16,000 ft. 
