100 leguminosyi:. (pilsk family.) 



1. Z. tetraphylla, Michx. Perennial, smooth or downy ; leaflets 4, lance- 

 olate or o1)1oiil:-<»1»o\ ate ; racemes 3 - O-dowered, mucli longer than the leaves; 

 the flowers distant and almost concealed by the large ovate bracts ; legume his. 

 ]>id, 3-4-jointcd. — Dry sandy soil, Florida to North Carolina, and westward. 

 June- August. — Stem 2° long, prostrate. 



22. STYLOSANTHES, Swart* 



Flowers of two kinds : one kind perfect, but sterile ; the other destitute of 

 calyx, corolla, and stamens, and fertile. Calyx 2-hraeted, 2-lippcd, 5-cleft ; the 

 tube long and slender. Corolla inserted on the throat of the calyx. Keel en- 

 tire at the apex. Stamens monadclphous, with the alternate anthers linear and 

 ovate. Style of the fertile flower hooked. Legume veiny, 1 - 2-jointed, the lower 

 joint empty. — Low herbs. Leaves trifoliolate. Stipules united with the peti- 

 oles. Flowers in a short and dense terminal spike. 



1. S. elatior, Swartz. Perennial ; stem mostly erect, 6'- 12' high, pu- 

 bescent ill lines, or sometimes hispid; leaflets rigid, lanceolate, strongly veined; 

 stipules sheathing ; spike few-flowered ; bracts bristly; flowers yellow. (S. his- 

 pida, Michx.) — Sandy pine barrens, Florida and northward. June -August. 



23. CHAPMANNIA, Torr. & Gray. 

 Flowers nearly as in Stylosanthcs. Corolla inserted on the throat of the 

 calyx. Keel 2-cleft at the apex. Anthers alike, oblong. Legume hispid, 1 -3- 

 jointed. — A viscid and hirsute branching herb, with unequally pinnate leaves, 

 small and free stipules, and small yellow flowers in terminal racemes. 



1. C. Floridana, Torr. & Gray, — East Florida. May. — Stem slender, 

 2°-3° high. Leaflets 3-7, oblong. Racemes often branching, few-flowered. 



24. LESPEDEZA, Michx. Bush-Cloteb. 



Calvx 2-bractcd, 5-cleft ; the teeth subulate. Corolla inserted on the base of 

 the calyx. Stamens diadclphous (9 & 1 ). Anthers alike. Legume small, len- 

 ticular, indchiscent, 1-seeded. — Perennial herbs, with trifoliolate leaves, and 

 small flowers in axillary racemes or spikes. 



* Flatten of two kinds, viz. perfect, but mostly sterile, boms in spikes or racemes, 

 and fertile, but destitute of corolla and stamens} the latter commonly in sessile clus- 

 t> is : corolla purple, longer than the calyx. 



1. L. repens, Torr. &Gray. Stem slender, prostrate ; leaflets small, oval, 

 mostly cmarginate, the petiole very short, or as long a> the lateral leaflets ; ra- 

 cemei few-flowered, on filiform peduncles much longer than the leaves ; legume 

 roundish. (L. procumbens, bfichx.) — Dry sandy soil, Florida to Mississippi, 

 and northward. AftgtlSt — Plant l°-2° long, smooth or tomentose. 



2. L. violacea, Pers. Stun erect or spreading ; leaflota varying from el- 

 liptical to linear, pubescent with appre--.nl hairs h.'iieath ; fertile flowers in 

 axillary clusters ; legume ovate, smooth, or with scattered apprcssed hairs, much 

 longer than the calyx. 



