DIADELPHIA PENTANDRIA. 
CLASS XVU. 
175 
—— 
DIADELPHIA. 
PENTANDRIA. 
421 PETALOSTEMUM, 
HEXANDRIA . 
422 DICLYTRA, 
423 CORYDALIS, 
424 FUM ARIA, 
OCTANDRIA. 
425 POLYGALA, 
DEC ANURIA. 
§ 1. Stamens all connec- 
ted, MONADELPHOUS. 
426 AMORPHA, 
427 ERYTHRINA. 
428 LUPINUS, 
429 CROTOL ARIA, 
§ 2. Stamens DiADELPHOUs. 
* Legume mostly 1 -seeded. 
430 DALEA, 
431 PSORALEA, 
432 MELILOTUS, 
433 TRIFOLIUM, 
434 STYLOSANTHES, 
435 LESPEDEZA. 
## Legume many seeded , 
generally articulated. 
436 HEDYSARUM, 
437 ZORNIA, 
438 ALSCHYNOMENE, 
439 SESBANIA, 
### Legume many seeded. 
Stigma pubescent. 
440 LATHYRUS, 
441 VICIA, 
442 PH AC A, 
443 ASTRAGALUS, 
#### Legume many seeded , , 
1 -gelled, not included in 
the preceeding sections. 
444 PHASEOLUS, 
445 STROPHOSTYLES, 
446 DOLICHOS, 
447 APIOS, 
448 AMPHICARPA, 
449 GLYCINE, 
450 THYRSANTHUS, 
451 GALACTIA, 
452 CLITORIA, 
453 ROBINIA, 
454 IND1GOFERA, 
455 TEPHROSIA, 
456 MEDICAGO, 
PETALOSTEMUM. Mich. 
Petala 4, stamini- 
bus interjecta utraque 
in tubura fissum con- 
nata; vexillum nullum, 
ejus loco quintum pe- 
talum. Legumen ca- 
lyce tectum, 1-sper- 
mum. 
Petals 4, alterna- 
ting with the stamens 
and united with them 
in a cloven tube, a 
fifth petal occupying 
the place of the vex- 
illum. Legumen 1 - 
seeded, cloathed with 
the calyx. 
