100 LKGUMlNuti.E. (I'lLSlC FAMILY.) 



1. Z. tctraphylla, Miclix. Perennial, smootli or (l()%\niy ; leaflets 4, lance- 

 olate or ohlong-obovate ; racemes 3 - 9-floweretl, much longer tlian tlie leaves; 

 the flowers distant and almost concealed by the large ovate bracts ; kgumc liis- 

 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-bractcd, 2-lii)ppd, 5-eleft ; 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 mo.stly erect, 6'- 12' 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, Miclix.) — Sandy pine barrens, Florida and northward. June - August. 



23. CHAPMANNIA, Ton-. & Gray. 

 Flowers nearly as in Stylosanthcs. Corolla inserted on tlic 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, Toit. & Gray. — East Florida. JIay. — Stem slender, 

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



24. LESPEDEZA, ^Michx. Bitsii-Clovku. 



Calyx 2-bractcd, ."j-cleft; tlie teeth subulate. Corolla inserted on the base of 

 the calyx. Stamens diudelphous (9 & 1). Anthei"s alike. Legume small, len- 

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

 small flowers in axillary racemes or spikes. 



* Flowers of tiro kinds, luz. perfrrt, but ntostli/ sterile, liorne in spikrs or racemes, 

 and fertile, hut destitute of corolla and stamens ; tlie tatter commonli) in sessile, clus- 

 ters : corolla jmrjile, longer than the calyx. 



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

 mostly cmarginatc, the petiole very short, or as long as the lateral leaflet.s ; ra- 

 cemes few-flowered, on filiform peduncles much longer than tin- leaves ; legume 

 roundish. (L. procumbens, ;1/iWir.) — Dry sandy soil, Florida to Mississippi, 

 and northward. August. — Plant 10-2° long, smooth or (omentosc. 



2. Ii. violacoa, Pcrs. Stem erect or spreading ; leaflets varying from el- 

 liptical to linear, jmbcs/cnt with appressed hairs bencalli ; ftrtile tlowc-rs in 

 axillary clusters ; hgume ovate, smooth, or with scattered aj)pressed hairs, much 

 longer than the calyx. 



