20042. 
20043. 
20044. 
20045. 
20046. 
20047. 
20048. 
20049. 
NUMERICAL CATALOGUE 137 
Acer caesium, Wall. var. Tree of 40-50 ft. In fruit. 
In mixed forests on the Salwin-Kiu Chiang divide. 
Lat. 28° 24’ N. Long. 98° 24’ E. Alt. 10-11,000 ft. 
Aug. 1921. Tsarong, S.E. Tibet. 
Cheilanthes sp? Plant of 5-8 inches. Dry, shady lime- 
stone cliffs in side valleys on the Salwin-Kiu Chiang 
divide. Lat. 28° 24/.N. Long. 989 24’ E. Alt. 
10,000 ft. Aug. 1921. “sarong, S.E. Tibet 
Polytrichum sp. aff. commune, Linn. Forming cushions 
on damp shady rocks and banks in mixed forests on 
the Mekong-Salwin divide. Lat. 28° 20/N. Long. 
98° 40’ E. Alt. 10,000 ft» Aug. 1921. N.W. 
Yunnan. 
Berneuxia thibetica, Decne. Plant of 9-12 inches. In 
fruit. Ledges of shady cliffs in conifer forests on the 
Salwin-Kiu Chiang divide. Lat. 28° 24’N. Long. 
98° 24’ E. Alt. 11,000 ft. Aug. 1921. Tsarong, 5. 
E. Tibet. 
Impatiens Delavayi, Fratich. vel aff. Plant of 2-2% ft. 
Flowers black-purple, shaded lighter. Margins of 
pine forests and scrub in moist pasture on the Salwin- 
Kiu Chiang divide. Lat. 28° 24’N. Long. 98° 24’ E. 
Alt. 11-12,000 ft. Aug. 1921. Tsarong, §.E. Tibet. 
Omphalogramma minus, Hand.-Mzt. vel aff. Plant of 
2-4 inches. Flowers throughout deep indigo purple. 
Sheltered situations by streams amongst boulders on 
the Salwin-Kiu Chiang divide. Lat. 28° 12’ N. 
Long. 98° 24’ E. Alt. 14-14,500 ft. July 1921. 
Tsarong, S.E. Tibet. 
[F. No. 20846 in fruit. ] 
Nomocharis saluenensis, Balf. f. Plant of 20-24 inches. 
Flowers pale yellow, minutely speckled maroon on in- 
terior base. By streams amongst heavy grass in shady 
situations on the Salwin-Kiu Chiang divide. Lat. 28° 
24’ N. Long. 98° 24’ E. Alt. 12-13,000 ft. Aug. 
1921. Tsarong, S.E. Tibet. 
Larix Potanini, Batalin. Tree of 4o-7o ft. In conifer 
forests on the Salwin-Kiu Chiang divide. Lat. 28° 
24’ N. Long. 98° 24’ E. Alt. 12,000 ft. Aug. 1921. 
Tsarong, S.E. Tibet. 
