310 BOTANICON SINICUM. 
Cust. Med., No. 601:—Ko ken, Pachyrhizus angulatus, 
Rich. 
SOO ae: Med., p. 342 (58):— Kan ko (dried ko root) 
exported 1885 from Canton 215 piculs,—p. 276 (53), from 
Amoy 3.34 piculs,—p. 142 (51), from Shanghai [ko ken] 
1.71 picul.— Hank. Med., 13:—Fen ko (ko starch) exported | 
from Hankow. 
Cust. Med., p. 344 (65):—From Canton exported ¥ Vil 
ko tou (head) 64 piculs.—Toid., p. 862 (304):—Ko lua 
(flowers) from Canton 5 piculs,—p. 196 (182):—From 
Ning po 4.30 piculs,—p, 290 (241):—From Amoy 0.10.— 
175.— 3G HB huang huan. P., XVIIIa, 46. 7, CLIV. 
Pen king :—Huang huan (yellow ring or circle), X 
ta tsiu, BE He ling ts‘ian. The root is officinal. Taste bitter. 
Nature uniform. Poisonous. 
Pie lu:—The huang huan grows in Shu [Sz ch‘uan] in 
mountain-yalleys. The root is dug up in the 3rd month and : 
dried in the shade. The fruit (seed) of the huang huan 1s 
called 3% BR F lang po tsz* (wolf step. Lr Sni-cHen explains 
that the pod resembles a wolf's foot). It is of a bitter taste 
and slightly poisonous, 
Wu Pu [3rd cent.]:—The huang huan of Shu is also 
called AE 3% sheng ch‘u and BE SE ken kiu. The plant begins 
to grow in the 2nd month and then is of a red colour. It 
attains a height of 2 feet. The leaves are round and large. 
The King [Pen king] states that the leaves contain a yellowish 
white juice. In the 5th month the plant produces round 
fruits. The root is dug up in the 3rd month, It has veins 
like the radiating spoke of a wheel [probably seen on 4 
transverse section], 
