102 LEGUMINOS.fi. (PULSE FAMILY.) 



2. D. acuminatum, DC. Stem pubescent, leafy at the summit ; leaves 

 luge, long-petioled ; Leaflets smoothish, ovate or roundish, acuminate; raceme 

 or panicle terminal, loflg-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 2° - 3° high. 



§ 2. Stamens diadelphous : legumt sissile or short stipitate. 



* Stipules large, ovate (except No. 8), acuminate, persistent : legume 3-6-jointed, 



the joints convex on the tipper suture, rounded on the tower 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 \\' -:V long. Flowers large. 



5. D. molle, DC. 1 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 3° -5° 

 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 ; flower* 

 and bracts large ; legume 4-6-jointcd, the joints rhombic-oblong, connected by a 

 broad neck. (II. bractcosum, Mickx.) — Dry open woods, Florida to Mississippi, 

 and northward. July and August.— ■ Stem 3° -5° high. Leaflets 3'- 5' long. 

 Legume l£'-2' long. 



7. D. viridiflorum, Beck. Stem stout, tomentose, rough above; leaves 



large; leaflets ovate or roundish, obtuse, very rough abo\c, pale and velvety 

 beneath ; stipules ovate, acuminate, rather small ; panicle huge, leafless ; legume 



8-4-jointed, on a stipe twice as long as the calyx, the joints half orbicular, eoa> 



nected 1>\ a narrow neck. — Rich Open wood-. Florida to Mississippi, and north- 

 ward. August.— Stem 3° - 4° high. Leaflets 2' -4' long. Corolla turning 



greenish. 



8. D. Floridanum, n. Bp. Stem short, rigid, very rough ; lower Leaves 1- 

 foliolate ; ballets lanceolate-ovate, acute or obtuse, very rough above, pubescent 



and Strongly reticulate beneath ; stipules lance-subulate ; panicle elongated, spar- 

 ingly branched, leafless; Legume 3- 4-jointed, the stipe shorter than the calyx; 

 joints obliquely obovate. — Dry sandy soil, Apalachicola, Florida. Jul) and 

 August— Proper Btem 1° high, the panicle 2°-3°. Leaflets 8' -3' long, the 



stipules and Btipels rigid. Bracts and flowers small. 



