COLLECTED IN CENTRAL TIBET. 137 
the west side of this mountain. The Chinese call it “ snow 
lotus ” (Hsuch lien). 
27. Taraxacum palustre, DC.— Valley of Murus, valley-bottom 
at 15,640 ft. Lat. N. 383° 44’, long. E. 91° 18’. June 23, 
1892. 
This is usually regarded as a variety of the almost ubiquitous 
T. officinale. 
28. Cyananthus incanus, Hook. f. et Thoms., var. leiocalyx, 
Franch. in Morot’s Journ. de Bot. i. 1887, p. 279.—Kechu valley 
at 12,700 ft. Lat. N. 31° 25’, long. E. 96° 28’. Aug. 22, 1892. 
On river-bottom. Fine forest-growth, mostly pines (?) on hill- 
sides ; fine grass. 
A Himalayan species, of which this is a naked-calyx variety, 
also found in Yunnan. ‘The typical form inhabits alpine localities 
at 12,000 to 16,000 ft. 
29. Androsace tapeta, Mavim. in Mél. Biol. xii. p. 754.— 
Valley of Murus, head-waters Yangtsekiang, at 14,900 ft. Lat. 
N. 33° 45’, long. E. 91° 20’. June 22, 1892. 
Kansub and Szechuen, in Western China. 
30. Androsace villosa, Zinn., var. latifolia, Ledeb.—Valley of 
Murus, valley-bottom at 15,640 ft. Lat. N. 33° 44’, long. E. 91° 
18’. June 23, 1892. 
This species is widely dispersed from Asia Minor through 
Central Asia, North Asia, and the mountains of North Iudia. 
31. Gentiana Rockhillii, Hems/., n. sp. 
Species G. aristate, Maxim., similis sed minor strictior floribus 
fere cylindricis angustissimis. 
Annua, erecta, simplex vel pauciramosa, 1—2-pollicaris, glaber- 
rima. Folia subscariosa, lineari-subulata, vere conduplicata, 
3-4 lineas longa, apice breviter aristata, basi semiamplexicaulia, 
suberecta, cauli fere appressa. Flores cerulei, terminales, soli- 
tarii, subsessiles, circiter 9 lineas longi; calyx subscariosus, 
corolla tubum equans, dentibus lineari-subulatis; corolla sursum 
leviter dilatate, lobi breves, oblongi, vix acuti, erecti, conniventes, 
intermediis brevioribus albis tenuissimis, fauce nuda; stamina 
cum pistillo omnino inclusa; styli brevissimi, stigmatibus capi- 
tatis. 
