146 BOTANICON SINICUM. 
small points, green on the upper side, white and downy 
underneath, soft and thick. In the 7th or 8th month 
flower-spikes like those of the ch‘e ts‘ien [Plantago. See 
115] with small flowers come out between the leaves, Small 
seeds, 
The at is the Artemisia vulgaris, L., very common in 
N. China, both wild and cultivated. Good figure sub ai in 
the Ch. [X, 81] also in the Kiu huang [XLVIL, 25] sub 
BF SE EE ye (wild) az hao. 
Ch., XIV, 65 :—F- 4B XX ts‘ien nien ai (a thousand 
years’ at) or if 3 ki ai. It is said there that this plan 
grows wild on the To ho shan mountains in Hu pei. This 
1s Tanacetum chinense, A. Gray. It is cultivated under the 
name of k% ai at Peking and its downy leaves are used for 
moxa. 
Lovr., Fl. cochin., 600 :—Artemisia vulgaris. Sinice 
ngat ye (ai leaves). Ibidem Artemisia chinensis. Sa 
khi ngai. Ex plante hujus foliis exsiccatis et contusis fit 
mowa seu cauterium actuale. It seems that the plant Lous. 
describes as A. chinensis is Tanacetum chinense. 
AAPA Und 1 A; tse‘, Artemisia indica.—P. SMITH, 
25. 
Henry, Chin. pl., 7:—Ai hao in Hu pei is A. indica 
(a variety of A. vulgaris), 
Cust. Med., p. 360 (278):—Ai (large-leaved) exported 
1885 from Canton 3 piculs,—p. 378 (511), ai jung (moxa 
punk) from Canton 8 piculs, 
Ibid, p. 856 (224):—K4 ai exported from Canton 
22 piculs,—p. 286 (181) from Amoy 3 piculs. 
The Chinese mode of cauterizing by burning the aon : 
of Artemisia vulgaris or Tanacetum chinense upon the skin, a 
Seems to be of very ancient date. Its invention is ascribed 
