400 DIADELPHIA HEXANDR1A. 



314. STYLOSANTHES. Calyx tubular, very long, bearing the co- 

 rolla; germen beneath the corolla; lament 1 2-jomted, hooked. 



315. LESPEDEZA. CaL 5-parted ; segments neaily equal; keel 

 transversely obtuse ; lament lenticular, unarmed, 1 -seeded. 



1 1 1 Legume mostly articulate. (Not of the preceding sections.) 



316. HEDYSARUM. CaL 5-cleft; feed transversely obtuse; lo 

 ment of several 1-seeded joints ; joints truncate, compressed, mostly 

 hispid. 



t t 1 1 Legume l-celled, many-seeded. (Not of the preceding 

 sections.) 



317. PHASEOLUS. Keel, with the stamens and styles spirally twist- 

 ed; legume compressed, falcate; seeds compressed, renitbrm. 



318. APIOS. CaL subbilabiate, truncate, 1-toothed; keel falcate, re- 

 flexing the apex of the vexillum ; germen sheathed at the base ; le- 

 gume coriaceous, many-seeded. 



319. AMPHICARPA. CaL 4-toothed; pet. oblong; vexillum with 

 the sides appressed; stig. capitate; legume compressed, stipitate, 

 2 4-seeded. 



320. GALACTIA. CaL 4-toothed, with 2 bracts at the base; pet. all 

 oblong; vexillum broad, incumbent; anth. oblong; stig. obtuse; 

 germen on a naked stipe; legume terete, many-seeded. 



321. TEPHROSIA. Teeth of the calyx subulate, nearly equal; stam. 

 monadelphous ; legume compressed, coriaceous. 



322. MEDIC AGO. Keel of the cor. deflexed from the vet ilium ; le- 

 gume compressed, spiral. 



DIADELPHIA. 



HEXANDRIA. 

 304. CORYDALIS. 



Species. * CoroWa with, 1 spur at the base. 



C. glauca: stem erect, branched ; leaves glaucous, decompound; seg- 

 ments cuneate, 3-cleft ; bracts linear, snorter than the pedicels : si- 

 liques linear. 



HAB. Rocks. May Aug. $ ; stem 8 18 in. high; root 

 fusif. ; Jl. red and yell. 



