88 LEGUMINOS^. (pulse FAMILY.) 



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



Tribe IV. PHASEOtiE^. Stamens monadelphous or diadelphous (9 & 1;. Leg- 

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

 in germination. — Chiefly twining vines. 



* Ovary 1 - 2-ovuIcd. 



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



* * Ovary few or many-ovuled. 

 ■I- Keel spirally twisted 



27. API03. Leaves pinnate, not stipellate. 



28. PUASEOLUS. Leaver trifoliolate, stipellate. 



•(- ^- Keel straight. Leaves trifoliolate (except one species of Galactia). 

 ■w- Legume terete, torulose. 



29. VIGNA. Flowers yellow. Texillum roundish. Stems twining. 



80. ERYTHRINA. Flowers scarlet. Vexillum narrow, elongated. Stems erect. ', 



++ ++ Legume flattened. 



= Bracts opposite. Vexillum very large. 



31. CLITORIA. Calyx tubular, 6-toothed. Vexillum spurless at the base. 



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



= = Bracts alternate. 



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



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



35. CANAVALIA, Stamens monadelphous. Calyx bilabiate. Ililum linear. Legume three- 



ridged on the back. 



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



Tribe V. DAI<BERGIE.iE. Stamens 10, monadelphous or diadelphous. Legume 

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



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



Tribe VI. SOPHOKEJE. 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. Shrubs. 



Suborder II. Ci^SALPINIEiE. Corolla irregular and somewhat 

 papilionaceous, or almost regular, imbricated in the bud \ the upper petal 

 interior. Stamens separate. Embryo straight. 



42. CERCIS. Flowers perfect, somewhat papilionaceous. Calyx 5-toothed. Leaves simp'e. 



43. C.\SSIA. Flowers perfect, irregular. Calyx deeply 5-parted. Anth rs dissimilar. J>eaves 



pinnate. 



44. GLEDITSCHIA. Flowers polygamous, almost regular. Calyx 3- 5parted. Leaves pin- 



nate and bipinnate. 



Suborder III. MIMOSE^E. Corolla regular, hypogynous, valvate 

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

 the petals. Embryo straight. — Leaves pinnate or 2 - 3-pinnaie. Flow- 

 ers polygamous. 



