VoS DIADELPHIA.— DECANDRIA. 



MS. STYLOSANTHES. Cal. tubular, very long 

 bearing the corolla. Germen beneath the co 

 rolla. Lament 1 — 2 -jointed, hooked. 



449. LESFEDEZA. Cal. 5-parled ; segments nearly 



equal. A r c€Mransversely obtuse. Loment \eu 

 ticular, unarmed, 1 -seeded. 



•; \ 1 1 Legume mostly articulate. (Not of the preceding 

 sections.) 



450. HEDYSARUM. Cal. 5-cleft. foeMransversely 



obtuse. Loment of several 1-seeded joints 

 joints truncate, compressed, mostly hispid. 

 151. iESCHYNOMENE. Cal. bilabiate. Lomeni 

 compressed ; one of the sutures straight, the 

 other lobed ; joints truncate, 1-seeded. Stain 

 divided into 2 equal sets. 



: j t Legume l-celled, many-seeded. (Not of the pre 

 ceding sections.) 



452. PHASEOLUS. Keel, with the stamens and style 

 spirally twisted. Legume compressed, falcate. 

 Seeds compressed, reniform. 



153. STROPHOSTYLES, Keel, with the stamen* 

 and style spirally twisted. Legume terete, 

 somewhat 2-celled. Seeds reniform. nearly cy- 

 lindrical. 



454. APIOS. Cal. subbilabiate, truncate, 1 -toothed 

 Keel falcate, reflexing the apex of the vexillum. 

 Germen sheathed at the base. > Legume coria- 

 ceous, many-seeded. 



4j5. AMPHICARPA. Cal. 4-toothed. Pet. oblong : 

 vexillum with the sides appressed. Slig. capi- 

 tate. Legume compressed, stipitate, 2 — 4 

 seeded. 



456. GALACTIA. Cal 4-toothed, with 2 bracts at th< 



base. Pet. all oblong ; vexillum broad, incum- 

 bent. Attth. oblong. Stig. obtuse. Germen 

 on a naked stipe. Legume terete, many-seeded. 



457. CL1TORIA. Cal. tubular or campanulate, 5- 



toothed. Cor. resupinate ; vexillum large, ex- 

 panding, covering the wings. Legume linear, 

 acuminate, many-seeded. 



458. PtOBINIA. Cal. campanulate, 4^cleft; uppei 



segment 2-cleft. Vexillum roundish, expanded 



