206 MR. W. B. HEMSLEY ON THE 
Sandy plain, 16,000 ft., and valleys, 17,000 {t., Thorold. 
Jugdi, October 17, Hedin. 
Elymus junceus, Fisch. in Mém. Soc. Nat. Mose. i. (A811) 
p. 25, t. 4. 
In 90° 45' and 35° 16’, 15,909 ft.. August 6, Wel/by 5 Malcolm. 
Without locality, Deasy & Pike. 
Elymus lanuginosus, Z'rin. ea Ledeb. Fl. Alt. i. p. 121; Ledeb. 
Iv, Pl. Ross. ii. t. 250. 
Tn 88° 20' and 35° 20’, 16,526 ft., July 29, Wellby 4 Malcolm. 
Elymus sibiricus, Linn. Sp. Pl. p. 3: Journ. Linn. Soc. Bot. 
xxx. (1894) p. 120; Hook. f. Fl. Brit. Ind. vii. p. 373. 
Tisum 15,000 ft., Strachey & Winterbotiom. Close to water, 
16,200 ft., Thorold. Without locality, Deasy & Pike. 
FInices. 
Polypodium hastatum, Thunb. Fl. Jap. iii. p. 335, et Ic. Fl. 
Jap. p. 10; Hook. Sp. Fil. v. p. 74; Kew Bull. 1896, p. 215. 
Goring valley, 90° 25’, 80° 12’, about 16,500 ft., Littledale. 
VEGETATION 
As illustrated by various Collections from the Countries 
immediately bordering Tibet. 
The general character of the vegetation of Tibet is more or 
less fully described in the extracts we have made from the narra- 
tives of the various travellers whose collections are dealt with m 
this paper. We propose giving here a more connected account, 
based on data collected from all these sources, from the notes 
accompanying the dried plants, and from the plants themselves. 
This will involve some repetitions, which, however, are unavoid- 
able. But before proceeding to an examination and discussion of 
the data afforded by these collections, it may be useful to give 
some particulars of the vegetation of the immediately adjoining 
countries. 
To Maximowicz we are indebted for the following observations 
on the vegetation of the countries immediately to the north and 
east of Tibet :— 
“On the ridges of the Nan Shan and Altyn Tag, and beyond, 
