COMPOSITE. | 989. 
mentose ‘stalks. He. states that a specimen of Artemisia, 
No. 3201, Herb. Griffith, Afghanistan, in the Kew Herbarium, 
s capitules precisely agreeing with the Bombay drug. ; 
- Santonin is now well known to the natives of India, and is 
largely imported from Germany. It is generally considered 
to act asa poison upon ascarides, but according to Dr. von’ 
Schroeder (Arch. f. emp.-Path., xix., 290) ‘this is not the case.’ 
He States that the santonin does not kill these worms, but ‘its 
presence being distasteful to them, causes them to leave their 
_ resting place and wander into the large intestine, from which 
| 4 they can then be removed by a purgative. This should deter- 
_ mine the time for giving a purgative, and Dr, von Schroeder 
_ thinks it should either be given with the santonin, or else some 
honrs after. We have obtained very good results by giving 
half the dose at bed-time, and the remaining half next morning 
_ with a dose of castor-oil. 
, : 
, Description.—The drug consists almost exclusively of 
_ unopened flower heads or capitules, which are so minute that 
_ it requires about 90 to make up the weight of one grain. In 
_ inferior samples, there is an ‘admixture of stalks, and portions 
_ of a small pinnate leaf. The flower heads are of an elliptic or 
- oblong form, about 1-10th of aninch long, greenish yellow 
~ when new, brown if long kept; they grow singly, less frequently 
in pairs, on short stalks, and are formed of about 18 oblong, 
_ obtuse, concave scales, closely imbricated.. This involucre is 
- much narrowed at the base in consequence of the lowermost 
_seales being considerably shorter than the rest. The capitule 
is sometimes associated witha fow of the upper leaves of the 
stem, which are short, narrow; and simple. Notwithstanding: 
its compactness, the capitule is somewhat ridged and angular 
from the involucral scales having a strong central nerve or 
keel. - The middle portion-of each seale is covered with minute 
yellow, sessile glands, which are wanting on the tra Sp en: eo 
scarious edge. The latter is marked with extremely fine stris, 
and is quite glabrous: in the young state and in the Bom 
variety.of the drag, the keel bears a few, woolly 
1I.—37 = sie 
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