19906. 
19907. 
19908. 
19909. 
19923. 
19927. 
19928. 
19929. 
19931. 
NuMeEricaL CaTaloGur 127 
Lactuca longifolia, DC. Plant of 4-7 ft. Flowers pale 
lavender-blue. © Margins of scrub and thickets = 
streams on the Salwin-Kiu Chiang divide. Lat. 
20'N. Long. 98927’ E. Alt. 7-8,000 ft. July pe 
Tsarong, S.E. Tibet. 
Hydrocotyle javanica, Thunb. Semi-trailing plant of 
12-20 inches. In fruit. Lush pasture on the margins 
of streams on the Salwin-Kiu Chiang divide. Lat. 
28°. 20' N. . Long. 98° 27/ FE. Alt. 10-11,000 ft. 
Aug. 1921. “Tsarong, S.E. Tibet. 
Polygonum Forrestii, Diels. Creeping plant forming 
mats of 1 ft. or so in breadth, flower stems 1—2 inches. 
Flowers creamy-white. Open stony moorland on the 
Salwin-Kiu Chiang divide. Lat. 28° 20’ N. Long. 
98° 27’ E. Alt. 14-14,500 ft. Aug. 1921. Tsarong, 
S.E. Tibet. 
Ardisia crispa, DC. Undershrub of 3-5 ft. Flowers 
white, fruits crimson. In mixed and pine forests on 
the Salwin-Kiu Chiang divide. Lat. 28° 20’ N. 
Long. 980. 27’ EL... Alt: 940,000 ft. Aug. z0a1. 
Tsarong, S.E. Tibet. 
Pedicularis. Plant of 6-9 inches. Flowers orange- 
yellow. Open marshy moorland on the Salwin-Kiu 
Chiang divide. Lat. 28° 20’ N. Long. 98° 27’ E. 
Alt. 14-15,000 ft. Aug. 1921. sarong, S.E. Tibet. 
Populus szechuanica, Schneid. Tree of 50-70 ft. In 
fruit. In mixed forests on Doker-la, Mekong-Salwin 
divide. Lat. 289 20’ N. Long..98° 42’ E. Alt. 
11-12,000 ft. Aug. 1921. Tsarong, $.E. Tibet. 
Carex atrata, Linn. var. Plant of 14-20 inches. Open 
marshy meadows on the Doker-la, Mekong-Salwin 
divide. at. 28° 20 N. Long. 98°°42' E. Alt. 
11,000 ft. Aug. 1921. sarong, S.E. Tibet. 
Oxalis leucolepis, Diels. Plant of 2-3 inches. Flowers 
white stained and lined rosy-purple at base. Shady 
forests and thickets on the Doker-la, Mekong-Salwin 
divide. Lat. 28° 20’ N. © Long. 98° 42’ E. Alt. 
11-12,000 ft. Aug. 1921. Tsarong, S.E. Tibet. 
Prunus. Tree of 4o-50 ft. In fruit, fruits light 
crimson. In open mixed forests on Doker-la, Mekong- 
Salwin divide: ‘Lat. 289 4o’ N. Long. 98° 42’ E. | 
Alt. 12,000 ft. Aug. 1921. Tsarong, S.E. Tibet. 
