APETALEZ. 279 
Mepicrnat Prorerties.—The Mulberry is cooling ‘and 
laxative, and contains a considerable quantity of mucilage. 
- The Hop is narcotic, sedative, and diuretic. The virtues 
_ depend on a peculiar principle called Zupulin. The bark of 
the Elm (Uimus campestris) is deemed diuretic. The Fig 
is ademulcent and gentle laxative. Contrajerva root is ob- 
tained from Dorstenia contrajerva: D. brasiliensis, D. Hous- 
toni, and D. opifera ; it is sudorificandtonic. Cannabis sa- 
tiva, is a powerful narcotic. It is smoked like tobacco. 
Officinal Plants. 
Humulus Lupulus. Ficus Carica. 
Ulmus campestris. Dorstenia Contrajerva. 
Morus nigra. 
Porsonous Prorertres.—The leaves of Nettles (Urtiea 
urens, U. dioica, and U. pilulifera) are covered with hairs, 
which are the excretory ducts of glands situated at the bases 
of the hairs; the pain and irritation caused by their sting 
arise from the fluid of the gland being poured into the skin. 
Urtica stimulans and U. crenulata produce similar effects, 
but are much more violent. The Upas of Java (Antiaris 
toricaria) is one of the most deadly poisons known. It is. 
said that a single seed introduced into the cellular tissue of a 
dog is sufficient to kill the animal. Its poisonous proper- 
ties seem to depend on Strychnine, the same alkaline principle © 
which characterizes Nux Vomica. The Upas belongs to. 
the Artocarpee, many of which contain an acrid milky 
juice. The juice of Ficus Toricaria and of F. Demona — 
is very poisonous. The emanation from a Hemp ora Hop 
plantation is said to be injurious: the leaves of the former — 
are narcotic in a high degree. — : ee 
