NuMERICAL CATALOGUE 129 
19940. Saxifraga melanocentra, Franch. Plant of 3~7 inches. 
19941. 
19942. 
19943 
19946. 
‘lowers variable; pure white, white with orange at 
base, or white with most of the centre of each petal 
stained orange-crimson. On humus-covered boulders 
and ledges of clifis on the Salwin-Kiu Chiang divide. 
Lat. 28° 20’.N... Long. 98° 37°" ERir? Alte 14,000 ; 
Aug. 1921. ‘T'sarong, S.E. Tibet. 
[| May be more than one species here. | 
Campanula aristata, Wall. Plant of 6-10 inches. 
Flowers deep purple-blue. On stony meadows and 
ledges of cliffs on Doker-la, Mekong-Salwin divide. 
Lat. 28° 20’ N.. Long. 98° 42’ E. Alt. 12-13,000 ft. 
Aug. 1921. Tsarong, S.E. Tibet. 
Triplostegia glandulifera, Wall. Plant of 6-12 inches. 
Flowers white, tipped and stained more or less deeply 
rose. Open, stony meadows on Doker-la, Mekong- 
Salwin divide. Lat. 28° 20’ N. Long. 98° 42’ E. 
Alt. 10-11,000 ft. Aug. 1921. sarong, S.E. Tibet. 
Adiantum pedatum, Linn. Plant of 9-18 ins. Moist 
rocks and banks in shady mixed forests on Doker-la, 
Mekong-Salwin divide. Lat. 28° 20’ N. Long. 98° 
42’ E.. Alt. 9-10,000 ft. Aug. 1921. Tsarong, 
S.E. -Libet. 
. Athyrium. Plant of 14-18 inches. Amongst under- 
growth in shady mixed forests on Doker-la, Mekong- 
Salwin divide. Lat. 28° 20’ N.. Long. 98° 42’ E. 
Alt. 9-10,000 ft.. Aug. 1921. Tsarong, 5.E. Tibet. 
. Hypnum crista-castrensis, Linn. Mat plant many feet 
in extent. Very moist shady situations amongst rocks 
in pine forests on Doker-la, Mekong-Salwin divide. 
Lat. 28° 20’ N. Long. 98° 42’ E. Alt. 12—-13,000 ft. 
Aug. 1921, Tsarong, S.E. Tibet. 
Dicranum scoparium, Hedw. Mat plant many feet in 
extent. On trunks of trees and boulders in mixed 
forests on the Salwin-Kiu Chiang divide. Lat. 28° 
20’ N. Long. 98° 27’ E... Alt, 10-11,000 ft. Aug. 
1921. Tsarong, S.E. Tibet. 
7, Betula utilis, D. Don, var. Tree of 4o-50 ft. In fruit. 
Open mixed forests on the Salwin-Kiu Chiang divide. 
Lat. 28° 20’ N. Long. 98° 27’ E. Alt. 11—12,000 ft. 
Aug. 1921. Tsarong, S.E. Tibet. | 
