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is an excellent carminative, stomachic and analgesic, but owing to 
its illegitimate use as a narcotic it has fallen into disuse and its 
commerce is rigidly controlled. This narcotic is known as mari- 
huana or hashish and is derived from the leaves, flowers, and resin 
of the hemp plant. It has been consumed extensively for about 3000 
years in Far East, but has become a serious drug traffic problem in 
the U. S. only during the last fifteen years. In the U. S., the 
leaves, flowers, and resin are dried, mixed with tobacco and made 
into cigarettes. 
HENBANE (Hyoscyamus niger) U.S.P. Tenbane is a poison- 
ous European herb, naturalized in this country and is extensively 
cultivated for the drug market, especially in Belgium. It has been 
employed in domestic medication since the remotest times and is 
mentioned in Anglo-Saxon works on medicine in the XI Century. 
Although the leaves are now specified as the part used in medicine, 
during the Middle Ages the roots and seeds were much used. 
Henbane is used as a carminative, cystic sedative and antispas- 
modic. 
Hop (Humulus Lupulus) N.F. The hop plant is a dioecious, 
perennial, herbaceous, twining vine, native of Europe and Asia 
and cultivated in all temperate regions. Hop gardens existed in 
I*rance and Germany in the VIII and IX centuries. It is said that 
William the Conqueror, 1069, granted the use of land for hop 
culture in England. It has always been used in decoction as a 
stomachic and diaphoretic. It has a peculiar diuretic action and 
is a distinct sedative nervine. Its use in the brewing industry to 
give a bitter flavor to beer and ale is well known. 
HorEnOUND (Marrubium vulgare), Hoarhound, N.O. Hore- 
hound is a perennial herb, indigenous to Europe, but is naturalized 
in this country where it is very common. The entire plant has a 
white hoary appearance. It has a peculiar, rather agreeable, 
vinous, balsamic odor and a very bitter, aromatic and persistent 
— 
taste. As a sweetened tea it has been long used in home medica- 
tion. [tis a stimulant tonic, expectorant and diuretic. 
Jimson Weep (Datura Stramonium), Jamestown weed, U.S.P. 
The stramonium plant is a tall, widely spreading, annual herb of 
unknown nativity, but now distributed abundantly in all temperate 
regions. Poisoning by stramonium is very common, either by 
