196 MR. W. B. HEMSLEY ON THE 
Salsola collina, Pallas, Ill. Pl. p. 34, t. 26; Hook. f. Fl. Brit. 
Ind. v. p. 17. 
Without locality, Deasy § Pike, 886. Fruit pink. 
Salsola Kali, Zinn. Sp. Pl. p. 222; Hook. f. Fl. Brit. Ind. v. 
p. 17. 
Tisum, 15,000 ft., Strachey § Winterbottom. Fruit pink. 
Halogeton glomeratus, C. A. Mey. in Ledeb. Fl. Alt. i. p. 378, 
Te. Pl. Ross. i t. 40; Hook. f. Fl. Brit. Ind. vy. p. 20. 
SS 30, 35° 20’, 16,294 ft., July 28, Wellby § Malcolm. 
Flowers white or pink. 
Some doubt exists as to the correctness of the identification of 
Wellby & Maleolm’s specimen, the material being in a very 
young condition. 
POLYGONACES. 
Polygonum Bistorta, Linn. Sp. Pl. p. 360; Journ. Linn. Soc., 
Bot. xxx. (1894) p. 138. 
Pochu valley, 94° 45’, 31° 45’, 14,000 ft., August 14, Rockhill. 
Flowers red. 
Polygonum bistortoides, Boiss. Diagn. ser. 1, v. p. 46; Journ. 
Linn. Soc., Bot. xxx. (1894) p. 138. 
Ramachu valley, hill-side, 94° 28’, 31° 48, 12,800 ft, August 12, 
Rockhill. Flowers red. 
Polygonum Deasyi, Rendle, in Journ. Bot. xxxviii. (1900) 
p. 428 (errore tibeticum). 
North Tibet, Deasy. Flowers crimson. 
Polygonum sibiricum, Laxm. in Nov. Act. Petrop. xviii. (1773) 
p. 531, t. 7. £. 2; Journ. Linn. Soc., Bot. xxx. (1894) p- 1183 
Peterm. Mitteil. Erg.-Heft 131, p. 875; Hook. f. Fl. Brit. 
Ind. v. p. 52. . 
P. hastatum, Murray, in Nov. Comm. Gott. v. (1774) p.37, t. 6; Ledeb. 
Ie, Pl. Ross. iy. t. 361. 
Near salt lake, 16,300 ft., Thorold. Between camps 12 and 18, 
16,160 ft., August 27, Hedin. 83°, 35° 10', 16,481 ft., June 27, 
Wellby § Malcolm. Flowers pink; green (Thorold). 
The Tibetan specimens are small—in many cases minute ; 
while those from Siberia are much taller. Used as a vegetable 
in Tibet. 
