NUMERICAL CATALOGUE 285 
21800. Pyrus. Shrub of 12-15 ft. Flowers pink. In open 
thickets and mixed forests by streams on the Salwin- 
Kiu Chiang divide, west of Chamatong. Lat. 28° 18’ 
N. Long. 98° 27’ E. Alt. r0-i1,000 ft. June 1922. 
Tsarong, S.E. Tibet. 
21801. Pyrus. Shrub of 20-30 ft. Flowers white. In thickets 
in side valleys by streams on the Salwin-Kiu Chiang 
divide, west of Chamatong. Lat. 28° 18’ N. Long. 
98° 27’ E. Alt. 12,000 ft. June 1922. sarong, S. 
E. Tibet. 
21802. Prunus undulata, Ham. Shrub of 20-35 ft. Flowers 
white. In mixed thickets in side valleys on the 
Salwin-Kiu Chiang divide, west of Chamatong. Lat. 
a8” 18’ N. Lowe. oo” 27-8. Alt. 11,000 ft. June 
1922. ‘Tsarong; S.m. Tibet. 
21803. Styrax shweliensis, W. W. Sm. Shrub of 15-20 ft. 
Flowers creamy-white, fragrant. In thickets on the 
margins of forests on the Salwin-Kiu Chiang divide, 
west of Chamatong. Lat. 28° 18’ N. Long. 98° 27’ 
Alt. 9,000 ft. June 1922. Tsarong, S.E. Tibet. 
21804. Prunus mugus, Hand.-Mzt. Dwarf semi-prostrate 
shrub of 3 ft. Flowers pale rose-pink. On boulders 
and rocky slopes in side valleys on the Salwin-Kiu 
Chiang divide, west of Chamatong. Lat. 28° 18’ N. 
Long. oe ay 3. AN. 3 000° ft) Jane © 1922. 
Tsarong, S.E. Tibet. 
21805. Vaccinium Delavayi, Franch. Shrub of 1 ft. Flowers 
dull rose, deepest at tip. On ledges of cliffs on 
boulders and trees in side valleys on the Salwin-Kiu 
Chiang divide, west of Chamatong. Lat. 28° 18’ N. 
Long. 98° 27’ E.. Alt. 11-12,000 ft. June 1922. 
Tsarong, S.E. Tibet. 
21806. Pyrus. Shrub of 10-15 ft. Flowers creamy-white, 
small. In thickets on rocky slopes in side valleys on 
the Salwin-Kiu Chiang divide, west of Chamatong. 
Lat. 28° 18’ N. Long. 98° 27’ E. Alt. 10-11,000 ft. 
June 1922. Tsarong, S.E. Tibet. 
21807. Idesia polycarpa, Maxim. Tree of 25-50 it. Flowers 
olive-yellow. In mixed forests and thickets on the 
Salwin-Kiu Chiang divide, west of Chamatong. Lat. 
28° 18’ N. Long. 98° 27’ E. Alt. 10-11,000 ft. 
June 1922. Tsarong, S.E. Tibet. 
