DIADELPHIA. DTICANDRIA. Ill 



oblong and 5 globose. Loment articulated, his- 

 pid. 



Mostly herbaceous; leaves dit,ntate in 4*s, ternate, bl- 

 nait, or'sin.plc; floueis rucrmose, racemes axillary and 

 teriTiinul, bractes large, ovaie or saburbicular. 



Species. 1. Z tetraphtjUa. In Carolina.— A genus of 

 7 species, considerably allied to Stylosanthes; of these 5 

 are indigenous lo hidia, and 1 to the Cape of Good Hope. 



510. ^SCnYNOMb:NK. L. 



** Stamina divided into 2 equal bodies.'* 

 Bro-wn. Loment exserted, compressed, one of 

 the sijtures straight, the other lobed; articula- 

 tions truncated, I -seeded. CVi.'ia; bilabiate, labia 

 dentate. 



Arborescent, shrubby or herbaceous; leaves pinnate, 

 nictitant or sensitive, siipuks Caul'.ne; peciuncleb or i a.- 

 cemes axillary and terminal, few-flowexed; io-ment smoo'-li 

 or scabrous. 



Species. 1. iE. vhcidula. Obs. Prostrate, stem and 

 peduncles viscidly pubescent; stipules small and ovate; 

 leaflets 7 to 9 oblique, retusely obovate; peduncles fili- 

 form, 1 or 2-flowered; calix bibracteate at the base, 1- 

 leared, subcampanu'.ate, border almost equally 5-cleft. 

 Corolla small Loment biarticulate, horizontally deflected, 

 pubescent, isthmus very narrow as in many Hedysarums, 

 articulations also roundi^j-oval. A species possessing 

 scarcely any affinity with the following, and nearly allied 

 Xo Smithia, judging by habit. Annual. 



2. hispida. Obs. Annual. Stem erect, 2 or 3 feet high, 

 hirsuLely scabrous in common with the loment, petiole 

 and peduncle. Leaflets very smooth and numerous, often 

 as many as 49, linear-oblong and obtuse; stipules ovate, 

 acuminate, decurrent at the ba«e; racemes simple, 3 to 5- 

 flowered, and usually bearing also a leaf. Loment con- 

 spicuously stipitate, compressed, slightly sinuated on the 

 lower margin, 6 to 9-jointed. Hab. In the marshes of 

 the Delaware, near Philadelphia, rare; also in Carolina. 

 Flowers yellow, externally reddish, and veined. 



A tropical genus of 13 species indigenous to India and 

 America. 



511. SESBANIA. Foiret, 



" Calix 5-toothed. Ze5'7fmeelong«itcd (terete 



