*8 LEGCMINOSjE. (rULSE FAMILY.) 



25. DESMODIUM. Legume 2 - 6-jointcd, bristly. Racemes terminal. 



Tribe IV. PHASEOLE^. Stamens monadelphous or diiulelphous (9 & 1). Leg- 

 ume 2-valved, not jointed. Cotyledons thick and fleshy ; usually raised above ground 

 in germination. — Chiefly twining vines. 



« Ovary 1 - 2-ovuled. 



26. RIIYNCHOSIA. Legume oblong. Flowers yellow. Leaves trifoliolate. 



» ♦ Ovary few or many-ovuled. 

 +- Keel spirally twisted 

 2". APIOS. Leaves pinnate, not stipellate. 



28. PHASEOLUS. Leaves trifoliolate, sti|>ellate. 



<- +- Keel straight. Leaves trifoliolate (except one species Of Galactia). 

 ++ Legume terete, torulose. 



29. VTGNA. Flowers yellow. Tcxillum roundish. Stems twining. 



30. EKYTIIRINA. Flowers scarlet. Yexillum narrow, elongated. Stems erect. 



++ ++ Legume flattened. 

 = Bracts opposite. Vcxillum very large. 



31. CLITORIA. Calyx tubular, 5-toothcd. Vcxillum spurless at the base. 



32. CENTROSEMA. Calyx short, 5-cleft. Vexillum spurred at the base. 



= = Bracts alternate. 



33. AMPIITCARPJEA. Calyx 4 - 5-toothed. Flowers of two kinds. Bracts persistent 



34. GALACTIA. Calyx 4-cleft. Bracts deciduous. Legume linear. 



35. CANAVALTA. Stamens monadelphous. Calyx bilabiate. Ililum linear. Legume three- 



ridged on the back. 



36. DOLICHOS. Stamens diadelphous (9 & 1). Calyx 5-cleft. Ililum oval. 



Tribe V. DALBERGIEiE. Stamens 10, monadelphous or diadelphous. Leguino 

 indehiscent. Cotyledons thick and fleshy. — Trees or shrubs. 



37. PISCIDIA. Legume compressed, 4-wingcd. Leaves pinnate. 



Tribe VI. SOPHOREjE. Stamens 10, separate. Legume not jointed. — Erect herbs, 



shrubs, or trees. 



* Legume dehiscent. 



38. BAPTISIA. Stamens deciduous. Legume inflated, stipitate, few-seeded. Leaves simple 



or trifoliolate. 



39. THERMOPSIS. Stamens persistent. Legume nearly sessile, flattened, many-seeded. 



Leaves trifoliolate. 



40. CLADRASTIS. Stamens persistent. Legume flat, few-seeded. Leaves pinnate. Tree. 



* * Legume indehiscent. 



41. SOPIIORA. Legume moniliform. Leaves pinnate. Shrubb. 



Suborder II. ('. KSALPINIIC.il. Corolla irregular and Bomewhat 



papilionaceous, or almost regular, imbricated ID the bud ; the upper petal 

 interior. Stamens separate. Embryo straight. 



4'2. CERCIS. Flowers perfect, Bomewhat papilionaceous. Calyx 5*toothed. Leaves simple* 

 4:;. CASSIA. Flowers perfect, irregular. Calyx deeply 6-parted. Anih. rs tii^siiuiiar. Learn 



pinnate. 

 11. OLEDITSCHIA. Plow n polygamous, almost regular. Calyx 3-6-partcd. 1 -eaves pin- 

 nate and bipinnBte. 



Suborder III. MIMosk.k Corolla regular, hypogvnous, valvate 

 in the bud. Stamens distinct or united, often very aumerous, inserted with 

 the petals. Embryo straight. — Leaves pinnate or 2 — 8-pinnate. Flow- 

 ers polygamous. 



