100 LEGUMINOSJE. (PULSE FAMILY.) 
1. Z. tetraphylla, Michx. Perennial, smooth or downy ; leaflets 4, lance- 
olate or oblong-obovate ; racemes 3-9-flowered, much longer than the leaves; - 
the flowers distant and almost concealed by the large ovate bracts ; legume his- 
pid, 3—4-jointed.— Dry sandy soil, Florida to North Carolina, and westward. 
June - August. — Stem 2° long, prostrate. 
22. STYLOSANTHES, Swartz. 
Flowers of two kinds: one kind perfect, but sterile; the other destitute of 
calyx, corolla, and stamens, and fertile. Calyx 2-bracted, 2-lipped, 5-cleft ; the 
tube long and slender. Corolla inserted on the throat of the calyx. Keel en- 
tire at the apex. Stamens monadelphous, 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/—19' high, pu- 
bescent in 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 Stylosanthes. 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. Ploridana, Torr. & Gray.— East Florida. May.— Stem slender, 
29-3? high. Leaflets 3-7, oblong. Racemes often branching, few-flowered. 
24, LESPEDEZA, Michx. Busu-Crover. 
Calyx 2-bracted, 5-clef; the teeth subulate. Corolla inserted on the base of 
the calyx. Stamens diadelphous (9 & 1). Anthers alike. Legume small, len- 
ticular, indehiscent, 1-seeded. — Perennial herbs, with trifoliolate leaves, and 
small flowers in axillary racemes or spikes. 
* Flowers of two kinds, viz. perfect, but mostly sterile, borne in spikes or racemes, 
. and fertile, but destitute of corolla and stamens; the latter commonly in sessile clus- 
ters : corolla purple, longer than the calyx. — 
- L. repens, Torr. & Gray. Stem slender, prostrate ; leaflets small, oval, 
Ne emarginate, the petiole very short, or as long as the lateral leaflets ; ra- 
cemes few-flowered, on filiform peduncles much longer than the leaves ; legume 
roundish. (I. procumbens, Michx.) — Dry sandy soil, Florida to Mississippi, 
and northward. d August. — — Plant 1? - 2? Jong, smooth or tomentose. 
2. L. ea, Pers. Stem erect or spreading ; leaflets varying from el- 
liptical to né. put t with appressed hairs beneath; fertile flowers in - 
axillary clusters ; " mE ER ee ; 
