MATERIA MEDICA OF THE ANCIENT CHINESE. 243 
T‘u su Pen ts‘ao [a Taoist Materia Medica] and in other 
works the tse ts is called 33% G2 Wi [if BX mao rh yen tsing 
ts‘ao (cat’s pupil [iris] herb), also #% 85 2% 7E HE la ye la 
hua ts‘ao (herb with green leaves and green flowers) and 
Fi JEL HE wu feng ts‘ao. It is a common plant in the plains 
and marshes of Kiang and Hu [Mid China, App. 124, 83]. 
The leaves (floral leaves) are round and yellow, resembling 
the pupil of a cat’s eye. Flower-stalks five-branched. 
Small green flowers. The whole plant contains a white viscid 
juice. The root is of a white colour and hard like a bone. 
The ta ki root is not the same as some have asserted. In 
the 5th month the juice is collected and prepared for medical 
use. This preparation is called tse ts‘? (marsh varnish). 
Ch. XXIV, 15:—Tse ts‘. The plant figured seems 
to be Euphorbia helioscopia, L. But the tse ts‘i figured in 
the Kiu huang [XLVI, 19] is another plant, which is stated 
there to be used as a vegetable. 
Tatar, Cat., 38 :—3j He BE mao yen ts‘ao. Caules et 
folia Euphorbice lunulate, Bge., and [57] tse tsi, Lequminosa? 
—P. Sura, 95. 
Amen. exot., 896:—32 ¥§ takusitzu, vulgo tota‘gusa. Esula 
vulgaris minor. Tithymalus arvensis latifolius Germanicus C. 
Bauh. P.—K amprer means Euphorbia platyphyllos, L. 
So moku, IX, 16 :—}% ¥ Euphorbia helioscopia, L. 
138.—tf 3% kan sui. P., XVIla, 22. T., CLX. 
Pen king:—Kan sui. The root is officinal. Taste bitter. 
Nature cold. Poisonous. 
Pie lu:—Other names: $f #& han kao, BE HE ling tse, 
HE PE chung tse, = Fj chu t'ien. The kan sui grows in the 
river-valleys of Chung shan [in Chili, App. 31]. The root 
__ is gathered in the 2nd month and dried in the shade, 
