BOTANIC MATERIA MEDICA, 85 
to the same order, but differs from the afore- 
mentioned by being quite a small tree from 8 to 
12 feet high, armed with numerous prickles as 
the nameimplies. Its common names are tooth- 
ache tree, angelica tree and the Hercules’ club; 
it is clothed with large oval, bipinnate or tripin- 
nate leaves, which are also full of prickles; the 
flowers are white and in hemispherical umbels, 
and it is frequently cultivated for ornamental 
purposes. Grown luxuriantly in the Southern 
States. The medicinal virtues lie in the bark 
and berries of this variety or species. The va- 
rieties of Aralia contain starch, glucose, pectin, 
gum, resin and a volatile oil; they have all been 
used in medicine, but are now excluded as non- 
officinal, though still retained in domestic prac- 
tice as stimulant, diaphoretic and alterative in 
rheumatic and cutaneous diseases, and usually 
given in about the same doses as the officinal 
sarsaparilla in form of an infusionorsyrup. It 
is a rare thing to find any of the three in the 
drug stores of to-day. 
Arnica, Arnica, Arnica Montana.—Natural 
order Composite. Common names: LEOPARDS 
BANE, MOUNTAIN TOBACCO, This perennial plant 
is a native of the mountains of Europe and north- 
ern Asia, and found growing in some portions 
of North America. Arnica attains a height of 
1 foot (30 centimeters) or more; stem pubes- 
cent, and the radicle leaves lance-shaped, with 
serrated edges; the leaves are somewhat pin- 
natified and five-nerved; leaves in one or two 
pairs. The flowers are white and in terminal 
clusters, with united stamens; fruit cylindrical 
and hairy. The rhizomous root and rootlets, as 
