COLLECTED IN CENTRAL TIBET. 139 
This species or variety is found in Asia Minor and Persia, 
Although very distinct from ordinary P. Bistorta, Boissier 
(Flora Orientalis, iv. p. 1028) subsequently united it with that 
species. 
39. Iris Thoroldi, Baker, ante, p. 118, et Hook. Ic. Plant. 
ined.—Sharaknyi-gol, hill-slope at 13,800 ft. Lat. N. 35° 50, 
long. E. 93° 27’. May 29, 1892. 
Described from specimens collected by Dr. Thorold at an 
altitude of 17,800 ft. Mr. Rockhill’s specimens furnish better 
flowers. 
40. Tulipa (§ Orithyia) sp. af. T. eduli, Baker.—Sharakuyi- 
gol, hill-slope at 18,800 feet. Lat. N. 35° 50’, long. E. 93° 27’. 
May 29, 1892. 
Tulipa edulis is a native of Japan, and Mr. Rockhill’s one 
flower is insufficient for satisfactory identification. 
41. Carex Moorcroftii, Boott.—Hill-slope two miles north of 
Murus river, head-waters Yangtsekiang, at 14,750 ft. Lat. 
N. 35° 53’, long. E. 91° 31’. Sandy soil, some clay. June 21, 
1892. 
Yarkand and Western Himalaya. 
42. Kobresia Sargentiana, Hemsl., n. sp. 
R. schenoidei valde affinis sed bracteis latissimis spicam fere 
omnino involventibus late scariosis subtruncatis simul emargi- 
natis. 
Hill-slope two miles N. of Murus river, head-waters Yang- 
tsekiang, at 14,750 ft. Lat. N. 33° 53’, long. E.91° 31’. Sandy 
soil, some clay. June 21, 1892. 
43. Miscanthus sinensis, Anderss.— Near top of Feiyuehkuan 
pass, S.W. of Yachoufu, in West Szechuen, at 3583 ft. Oct. 11, 
1892. 
China, from Japan and Korea to Hongkong and Canton, 
Luchu and Bonin Islands, Tonquin, Borneo, and Celebes. 
44, Stipa, insufficient for determination.—Hill-slope two 
miles N. of Murus river, head-waters Yangtsekiang, at 14,750 ft. 
Lat. N. 33° 53’, long. E. 91°31’. Sandy soil, some clay. June 21, 
1892. 
45. Calamagrostis, sp.— Near top of Feiyuehkuan pass, S.W. 
of Yachoufu, in West Szechuen, at 3583 ft. Oct. 11, 1892. 
