ORDER XLIII. LEGUMINOS.E. 279 



1. A. monoi'ca, (Ell.) Root creeping. Stem slender, climbing over 

 small shrubs, retrorsely-hirsute, angular. Leaves ternate, ovate, or 

 rhombic-ovate, thin, glabrous, or hairy, a little oblique. Flowers in 

 pendulous racemes, on filiform peduncles. Calyx hairy at the base, 4- 

 toothed, acuminate. Legume smooth, 3 — 4-seeded. — White, tinged with 

 Tiolet. %. June — Sept. Rich lands. Common. 2 — 5 feet. 



Tribe III.— GALE'GE^E. 



Legume continuous, dehiscent, 1 — several-seeded, or 1 — 2- 

 seeded and indehiscent. Leaves usually unequally pinnate. 

 Inflorescence in spikes or racemes. Erect herbs, shrubs, or trees. 



Genus XVII— AG'ATI. Adans. 16—10. 

 (A Sanscrit word for one of the species.) 



Calyx campanulate, slightly bilabiate. Vexillum shorter 

 than the wings. Legume stiped, linear, a little compressed, 

 many-seeded, contracted between the seeds. Small trees. 



1. A. Grandiflo'ra, (Desv.) Leaves equally pinnate ; leaflets nu- 

 merous. Stipules lanceolate. Racemes axillary, 2 — t-flowered. L'low 

 ers large. Legume long, pendulous. Seeds oval. — White. If. South- 

 ern Florida. 



Genus XVIIL— SESBA'NIA. Pers. 16—10. 

 (An Arabic name of one of the species.) 



Calyx 5-toothed ; teeth nearly equal, with 2 caducous brac- 

 teoles at the base. Vexillum roundish, with 2 appendages on 

 its claw. Stamens diadelphous. Legume long (10 — 12 inches), 

 linear, slender, cylindrical, or compressed, many-seeded. Seeds 

 cylindrical-oblong. Herbaceous plants, with pinnate leaves. 



1. S. macrocar'pa, (Muhl.) Stem with expanding branches, glabrous, 

 herbaceous. Leaves pinnate, 10 — 25 pair; leaflets linear-elliptical, gla- 

 brous, entire, slightly mucronate. Flowers in axillary racemes, few- 

 flowered, shorter than the leaves. Calyx pubescent along the margin, 

 two upper teeth reflected. Vexillum reflected. Legume somewhat 4- 

 angled, about 12 inches long. — Yellow. 0. So. Car. and Lou. 



Genus XIX.— GLOTTID'IUM. Desv. 16—10. 

 (From the Greek glossa or glotta, a tongue, in reference to the valves of the legume.) 



Calyx 5-toothed ; teeth nearly equal, small, obtuse. Vexil- 

 lum short, broad, slightly unguiculate, reniform. Keel-petals 

 united at the middle. Legume elliptical-oblong, stipitate, com- 

 pressed, 2-seeded. Seeds compressed. 



]. G. Florida'num, (D. C.) Stem glabrous. Leaves equally pinnate, 

 10 — 20 pairs. Petioles terminated by a bristle. Leaflets oblong-linear, 

 mucronate, glabrous. Racemes 4 — 8-flowered. Petals nearly equal. 

 Legume about 2 inches long, rigidly mucronate. Valves separating into 

 an exterior coriaceous portion, and an interior membrane inclosing the 

 seeds.— Yellow. 0. Aug. — Sept. Damp soils. So. Car. and Florida. 

 4 — 6 feet. Sesbania vesicaria. Ell 



