N. ORD.—APOCYNACE&. 132 
GENUS.—APOCYNUM,* TOURN. 
SEX. SYST.—PENTANDRIA DIGYNIA. 
APOCYNUM 
ANDROS AAMIFOLIUM. 
DOGS BANE. 
SYN.—APOCYNUM ANDROSASMIFOLIUM, LINN. 
COM. NAMES.—DOG’S BANE, BITTER ROOT, INDIAN HEMP, MILK WEED, 
FLY-TRAP, HONEY BLOOM, WANDERING MILK WEED, CATCH- 
FLY, SPREADING DOG’S BANE, AMERICAN IPECAC, BLACK IN- 
DIAN HEMP. 
‘TINCTURE OF THE FRESH ROOT OF APOCYNUM ANDROSAEMIFOLIUM, LINN. 
Description.—This upright perennial shrub-like herb, grows from 2 to 4 feet 
in height, branching profusely, and emitting when wounded in any part a milky 
juice. The voot is long, more or less cylindrical, with a diameter of from one- 
eighth to three-quarters of an inch, sparsely branched, and covered with a quan- 
tity of fine fibres, It is light-brown externally, wrinkled throughout its length, 
and transversely fissured; the bark is thin, amorphous, the wood somewhat 
porous, white and tasteless; the milky juice permeates its whole substance. Stem 
smooth, at first simple, then divergently branched, and forked. Leaves opposite, 
smooth and green above, paler and more or less whitish pubescent beneath; 
they are ovate, acute, mucronate, from 2 to 3 inches long, and about 1 inch 
broad. Fetioles about one-quarter of an inch in length. Jnflorescence upright 
or nodding paniculate cymes at the ends of the branches, and in the axils of the 
terminal leaves. Pedice/s from 2 to 3 lines long, with minute subulate bracts 
at their bases. Ca/yx entirely free from the ovaries, five-parted, with ovate- 
lanceolate, acute lobes, much shorter than the corolla, not glandular. Coro//a con- 
volute, and sinistrally twisted in the bud, monopetalous, bell-shaped, white tinged 
with red, five cleft; 4mé spreading; /odes ovate, obtuse, reflexed, each bearing 
at its base a triangular nectariferous scale, free only at the tip. Séamens five, 
inserted at the base of the corolla, alternate with the glands; f/aments distinct, 
very short, ligulate, pubescent inside ; az/hers sagittate, with an acute hyaline tip, 
sometimes slightly coherent, and adhering by their faces to a zone or ring at about 
the middle of the stigma, 2-celled, the cells opening longitudinally. Pod/en granu- 
lar. Ovaries 2, oblong, generally distinct, rarely united; sézgma sessile or nearly 
* An ancient name of the rd s bane composed of ard, from, xéiov, a dog; as it was thought to be ‘poisonous | to 
this animal. oye oe 
