FLORA OF TIBET OR HIGH ASIA. 197 
Polygonum spherostachyum, Jeissn. Monogr. p. 53; Kew 
Bull, 1896, p. 214; Hook. f. Fl. Brit. Ind. v. p- 82; Bot. Mag. 
t. GSA7. 
“4Gorine valley, 90° 25’, 30° 12’, about 16,500 ft., Littledale. 
Flowers crimson. 
Polygonum tibeticum, Hems/. in Kew Bull. 1896, p. 214, et in 
Hook. Ic. Pl. t. 2471. 
Goring valley, 90° 25’, 30° 12’, about 16,500 ft., Littledale. 
Flowers pink. 
Polygonum tortuosum, D. Don, Prod. Fl. Nep.p. 71; Hook.f. 
Fl. Brit. Ind. v. p. 52. 
Plains of Gugé, 15,500 ft., Strachey § Winterbottom. Flowers 
red. 
Polygonum viviparum, Linn. Sp. Pl. p. 360; Journ. Linn. 
Soc., Bot. xxx. (1894) p. 138; Aew Bull. 1896, p. 214; Hook. 
J. Fl. Brit. Ind. v. p. 31. 
Valleys in Gugé, 14,000-16,000 ft., Strachey § Winterbottom. 
Pochu valley, 94° 45', 31° 45', 14,000 ft., August 14, Rockhill. 
Goring valley, 90° 25’, 30° 12°, about 16,500 ft., Littledale. 
Flowers pink. 
Rheum spiciforme, Royle, Illustr. Bot. Himal. p. 318, t. 78: 
Kew Bull. 1896, p. 214; Peterm. Mitteil. Erg.-Hett 131, p. 375: 
Hook. ¢. Fl. Brit. Ind. v. p. 55. 
Goring valley, 90° 25’, 30° 12’, about 16,500 ft., Littledale. 
Camp 21, Hedin. 81° 41’, 34° 52’, 16,200 ft., July 9, plentiful 
over an area of about two square miles at the foot of limestone 
cliffs, Deasy § Pike, 846. North Tibet, Przewalski. Flowers 
white or pink. Fruit crimson. 
Ladaki name “ Latchu.”—Deasy § Pike. 
Rheum Moorcroftianum, referred to by Strachey (Geogr. 
Journ. 1900, xv. pp. 258-259) as “a species of Rhubarb very 
common in Tibet,” is probably R. spiciforme, Royle. 
THYMELEACES. 
Stellera Chamezjasme, Linn. Sp. Pl. p.559 ; Journ. Linn. Soc., 
Bot. xxx. (1894) p. 118; Hook. f. Fl. Brit. Ind. v. p. 196. 
Sandy valleys, 15,000 ft., Thorold. Flowers green or yellow. 
