96 LEGUMINOSAE, [ Desmodium. 
TrisE IV. HEDYSAREAE. 
erbs, or very rarely shrubs or trees. Leaves various. Pods separating 
nies into one-seeded articles, usually indehiscent, or sometimes 
uced to a single one-seeded idihinenat article. 
os this tribe belongs also the Ground-nut or Pea-nut, Arachis hypogaea, L., whic 
cultivated for the sake of its oily seeds, It has abrupt leaves with 2 pairs of ates 
a filiform calyx-tube, and is oe for the long-stipitate single-jointed and i 
hiscent pod which matures under grou 
6. DESMODIUM, DC. 
Calyx campanulate, with 4 acuminate teeth or lobes, the upper one 
2-cleft, or rarely equally 5-cleft. Petals narrow, the standard obovate, the 
wings usually adhering laterally to the keel, which has often an appendage 
at the points of adhesion. Stamens either monadelphous, with the sheath 
open on the upper side, or the upper stamen more or less free. Ovary 
with 2 or more ovules. Style with a minute terminal stigma. Pod 
consisting of 2 or more flat joints, saelles reticulate. — Herbs, shrubs 
or trees. Leaves with 3 or 1 leaflets. Flowers usually small, in terminal 
or leaf-opposed racemes or panicles, or rarely in axillary clus 
ers. 
A large ge pias nig cd ispersed over the tropics of both hemi aha with a few 
extratropical sp 
Hairs unciat; gare ovate-lanceolate; petals twice as long as 
the 1. D. uncinatum, 
Hairs ok ‘hooked; ‘leaves very small, obovate; 5 petals « enclosed | in 
the calyx 2. D. triflorum. 
1D, soe ag DC. Prod. IL, -331. -- A Se arn herb, 1—3 ft. 
high, erect or decumbent, in rich ground climbing, viz., supporting itself 
by means of the stiff hooked hairs with which stem and pods are thickly 
covered. Leaflets 3, ovate-lanceolate, 11/.—3/ X 1/2—11/2', glabrous above 
and generally with Wik pecks or streaks, pubescent along the nerves 
underneath; the rhachis 11/2—2'/2’, the Spe: 11/2’, Stipules eB ee 
ubula xillary, pubescen 6’ long, 
naked below. Flowers 4—5” in jaheth. pale-purplish, often a mee white, 
generally 2 in the axils of ovate-acute bracts which measure 4” and 
p soon. Pedicels 2—3”. yx 2”; ite sharp teeth as long as the 
mm 
. 
of 
5 
g. 
He 
=| 
strongly uncinate-pubescent, 5— ~10- ‘jointed, the upper ities slightly sinuate 
or almost straight, the lower notched to the middle and beyond. — 
Hedysarum uncinatum, Jacq. — “oe Spscephf E. Meyer, in pict 
XXIV, 230, and Gray, Bot. U. S. E. E. p. — D. trigonum, DC 
A native of tropical America, where it extends from northern Mexico to Chili, including 
the W. Indian islands (common in Jamaica). — Was introduced in early times and is now 
a ted over the group, being much valued as pasture for horses and cattle, 
generally known as Spanish Chili clover. 
