MATERIA MEDICA OF THE ANCIENT CHINESE. 409 
collected. These are provided with white soft hairs (pappus) 
and are carried away by the wind to distant places where they 
fall down and germinate. In the Ji yung Pen ts‘ao [Mongol 
period] this plant is called #@ EY pien ki. Another name is 
KR FE SK tien hiang tsai. 
Ch., III, 15 :-—## 3% hu ts‘ai, Lactuca versicolor, Schit. 
Bip. Good drawing. 
Kiu huang, LVAII, 28 :—3 8 ku mai or HE K 
lao kuan ts‘ai, Lactuca, perhaps denticulata. 
Ch., I, 18:—3 BE] | kwang ye (glabrous leaves) 
Ku mai, Lactuca, perhaps denticulata. 
Ch. IT, 21:—B¥ ] | ye (wild) ku mai, Lactuca 
denticulata, var. sonchifolia. 
Ch., III, 19 :— jf 4% 3€ Tien (Yiin nan) k‘u ts‘ai. The 
figure seems to represent Sonchus oleraceus, L. 
Ch., III, 20:— PE  3€ ku mai ts‘ai, Sonchus, and 
[22] 5 EE YW hia (domestic) ki maz, resembles the figure 
on fol. 20. 
Kiu huang, LVIII, 26:—2 BE 3 k‘u ka ts‘ai, also 
SFE ye ki and #™ | pien ki, Rude drawing, probably 
Lactuca intended. 
There are at Peking four wild-growing species of Lactuca 
and their varieties, the leaves of which are eaten by the 
natives. Some of them are also cultivated. 
1.—Lactuca squarrosa, Miq. FAYE ch‘un “ae lao. 
It grows to the height of 6 feet. Leaves very irregu- 
larly shaped. Yellow flowers. 
2.—L. tatarica, C. A. Mey. Blue flowers. 
3.—L. denticulata, Max. Typical form. Common. 
Yellow flowers. 
var. sonchifolia. Common. Sinice: k‘u dia rh 
(popular name). ; 
var. ramosissima. Common in the mountains. 
