MATERIA MEDICA OF THE ANCIENT CHINESE. 93 
Comp. also Bot. sin., I, 156, 414. 
Pie lu:—The tu heng is a mountain plant. The root is 
dug up on the 3rd day of the 3rd month and dried in the sun. 
T‘ao Hunea-Kinc:—In its root and leaves it much 
resembles the s/ sin, but it is less potent, It is not much 
used in medicine. The Taoists employ it for scenting clothes. 
The Tang Pen ts‘ao [7th cent.] calls it 5 Be 
ma t? héang (horse’s-hoof fragrance). 
Su Sune [11th cent.]:—It is a common plant in Mid 
China. Perennial root. A small branchless plant, two to 
three inches high. Leaves like a horse’s hoof in shape. 
Purple flowers. Fruit of the size of a pea, contains small 
_ Seeds, 
The si sin and the tu heng are both species of Asarum. 
See Bot. sin., I, lee. 
Tarar., Cat., 44:—Si sin. Folia Heterotrope asaroides 
(= Asarum Thunbergii, Al. Br.).—P. Smrra, 112. 
The drug si sin received from an apothecary’s shop in 
P eking consisted of the tender, fibrous roots with some 
leaves of an Asarum. 
Cust. Med., p. 2 (14):—Si sin exported 1885 from 
New chwang 2,044 piculs,—p. 44 (13), from Che foo 20 
piculs,—p. 68 (37), ma sin (ma ti hiang) from Han kow 
132 piculs,—p. 362 (407), from Amoy the same exported in 
& small quantity. 
42.—% Dkiki. P., XIU 55. T., CKXXIV. 
The Pie iu has only the name (hi £2), no details. 
St Kune [7th cent.]:—The ki ki grows in the moun- 
tains, in shady valleys. The plant has only one stem, at the 
top of which are four leaves, The flowers are white, issue 
