102 LEGUMINOSE. (PULSE FAMILY.) 
2. D. acuminatum, DC. Stem pubescent, leafy at the summit; leaves 
large, long-petioled ; leaflets smoothish, ovate or roundish, acuminate ; raceme 
or panicle terminal, long-peduncled, many-flowered. — Rich shady soil, Florida 
to Mississippi, and northward. July and August.— Plant 2°-3° high. Leaf- 
lets thin, 2'- 4' long. 
3. D. nudiflorum, DC. Stem smooth, short, leafy at the summit; pan- 
icle ascending from the base of the stem, naked, or with one or two leaves near 
the base, much longer than the stem; leaves long-petioled, smooth ; leaflets 
ovate, acute or obtuse, white beneath; legume long-stipitate. — Rich woods, 
Florida to Mississippi, and northward. July and August. — Stem 6'— 12! high. 
Racemes simple or compound, on peduncles 29 - 39 high. 
$ 2. Stamens diadelphous : legume sessile or short stipitate. 
* Stipules large, ovate (except No. 8), acuminate, persistent: legume 3 — 6-jointed, 
the joints conver on the upper suture, rounded on the lower one. 
4. D. canescens, DC. Stem tall, rough-hairy, striate ; leaflets ovate, 
mostly acute, very rough, especially beneath; panicle large, very hairy ; bracts 
large, ovate, acuminate ; joints of the legume 3-5, connected by a broad neck. 
(Hedysarum scaberrimum, Ell.) — Dry open woods, Florida to Mississippi, and 
northward. July and August. — Plant 3° — 5° high, much branched, pale green. 
Leaflets 13! —3! long. Flowers large. 
5. D. molle, DC.? Stem tall, much branched, softly pubescent ; leaflets 
rhombic or elliptical, obtuse and often emarginate, tomentose beneath, rough 
above; racemes panicled, slender; flowers 2-3 together, on slender pedicels ; 
legume nearly sessile, black; the small joints oval or rhombic, equally con- 
vex on both sutures. — Waste places, Middle Florida. Sept. — Stem 39-59 
high. Leaflets 3'-4' long. Legume 1’ long, pendulous, Flowers small. 
6. D. cuspidatum, Torr. & Gray. Stem smooth, erect ; leaves smooth, 
ovate or lanceolate-ovate, acuminate ; panicle mostly simple, elongated ; flowers 
and bracts large ; legume 4 -6-jointed, the joints rhombic-oblong, connected by a 
broad neck. `(H. bracteogpm, Michx.) — Dry open woods, Florida to Mississippi, 
and northward. July and August.—Stem 3°-5° high. Leaflets 3’~ 5’ long. 
Legume 1j' - 2! long. 
7. D. viridiflorum, Beck. Stem stout, tomentose, rough above; leaves 
large; leaflets ovate or roundish, obtuse, very rough above, pale and velvety 
beneath ; stipules ovate, acuminate, rather small; panicle large, leafless ; legume 
3 - 4-jointed, on a stipe twice as long as the calyx, the joints half orbicular, con- 
nected by a narrow neck. — Rich open woods, Florida to Mississippi, and north- 
ward. August.— Stem 3°-4° high. Leaflets 2'—4' long. Corolla turning 
greenish. — 
8. D. Floridanum, n.sp. Stem short, rigid, very rough; lower leaves 1- 
foliolate ; leaflets lanceolate-ovate, acute or obtuse, very rough above, pubescent 
and strongly reticulate beneath ; stipules lance-subulate ; panicle elongated, spar- 
ingly branched, leafless; legume 2— 4-jointed, the stipe shorter than the calyx; —— 
joints obliquely obovate. — Dry sandy soil, Apalachicola, Florida. July and 
August. — Proper stem 19 high, the panicle 2939, dn A Pape : 
a and ues rigid. Bracts and flowers small, : 
