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LEGUMINOSJE. (PULSE FAMILY.) 
incurved scythe-shaped keel at length twisted. Pod straight or 
slightly curved, linear, elongated, thickish, many-seeded. — A 
perennial herb, bearing pleasant-lasted tubers on underground 
shoots, twining and climbing over bushes. Leaflets 5-7, ovate- 
lanceolate, not stipellate. Flowers in dense and short, often 
branching, racemes, clustered on the knotty peduncle. (Name 
from amov, a pear , from the shape of the tubers.) 
1- A* tllbcrbsa, Mcench. (Glycine Apios, L.)— Moist thick¬ 
ets, common. Aug. — Flowers brown-purple, fragrant. 
5. GAIiACTIA, P. Browne. Milk Pea. 
Calyx 4-cleft, equal, the upper lobe broadest. Keel scarcely 
incurved. Pod linear, flat, several-seeded.—Low, mostly pros¬ 
trate or twining perennials. Leaflets usually 3, stipellate. Flow¬ 
ers in somewhat interrupted or knotty racemes, purplish. (Name 
from yd\a -clktos, milk; some species being said to yield a milky 
juice.) 
1- G. glabella, Michx. (Smoothish Milk Pea.) Stem 
nearly smooth; leaflets elliptical or ovate-oblong, obtuse or notched, 
sometimes slightly hairy beneath ; racemes short, 4 - 8-flowered; pods 
somewhat hairy. —Sandy woods, S. New York and New Jersey 
southward. July. — Flowers large for the genus, rose-purple. 
G. mollis, Michx., may be expected to grow in S. Pennsylvania. 
6. AMPHICARPAJA, Ell. Hog Pea-nut. 
Flowers of 2 kinds, those of the racemes from the upper branch¬ 
es perfect, but seldom ripening fruit; those near the base and on 
creeping branches imperfect, with the corolla none or rudimentary, 
and few free stamens, but fruitful. Calyx about equally 4- (rarely 
5-) toothed, with no bractlets. Keel and wing-petals similar, 
nearly straight; the standard partly folded round them. Pods of 
the upper flowers, when formed, somewhat scymetar-shaped, 3-^ 
seeded ; of the lower obovate or pear-shaped, fleshy, ripening 
usually but one large seed, commonly subterranean, or conceale 
by decaying leaves. — Low and slender perennials; the twining 
stems clothed with brownish hairs. Leaflets 3, rhombic-ovate, 
stipellate. Flowers small, in clustered or compound race® es 
Bracts persistent, round, partly clasping, striate, as well as the 
stipules. (Name from apxfiiy at both ends , and tcapiros, fruit, in 
lusion to the two kinds of flowers.) 
