232 BOTANICON SINICUM. 
ei 
visited the province of Kan su, where he observed the plant 
which yields the much-valued Kiakhta Rhubarb, so called 
because it was imported through Kiakhta. The plants raised 
in the Botanic Gardens, St. Petersburg, from the seeds he 
had brought home, proved to be the well-known Rheum 
palmatum. Another species from Sz ch‘uan and §.E. Tibet, 
from which a great part of the best Chinese Rhubarb is 
derived, was obtained in 1867 by the French missionaries, 
and sent to Paris, where it was cultivated and described by — 
BaILion as Rheum officinale. 
That which the natives in North China call ‘wu ta huang 
(native Rhubarb) is the root of Rheum rhaponticum, L, 
and the variety compactum, frequently seen in the Peking 
mountains. 
P. Smiru, 185.—Hewry, Chin. pl., 438. 
Cust. Med., p. 70 (61) :—Ta huang exported 1885 from 
Han kow [probably Sz ch‘uan Rhubarb] 5,650 piculs,— 
p- 58 (22), from I chang 2,123 piculs,—p. 26 (53), from 
Tien tsin 1,093 piculs [probably Kan su Rhubarb]. 
So moku, VII, 91, 92 :—3 #& Ke FE (Chinese Rhubarb, 
cultivated), Rheum undulatum, L.—Ibid., 28:—+- XK ti 
Rumex aquaticus. 
S1es., Gicon., 111 :—Rheum tataricum. Japonice: Too 
dat woo. Colitur in usum medicum, Chinensi vero longe 
inferior radice. 
Lbid., 112 :—Rheum palmatum. Rarius cultum. 
131.— Rj EE shang lu. P., XVIla, 8 T., CXXXIL 
Comp. Rh ya, 112. 
_ Pen king :—Shang lu, 3% WF ye hu. The root is officinal. 
Taste pungent. Nature uniform. Poisonous. 
