68 XLTI. LEGUMINOS^. 



Flowers purple pink or white. 



Small shrubs undershrubs or herbs. Legume 



coriaceous, compressed, linear 32. Tephrosia. 



Trees. Legume hard woody with thick mar- 

 gins, elliptic or lanceolate, few-seeded, 



slowly opening 33. Millettia. 



Flowers yellow. Legume very long, slender, 



nodose ! 34. Sesbania. 



Legume membranous, pellucid, compressed or 

 bladdery. 

 Leaves pinnate. Flowers racemose. 



Standard shorter than the acute keel ... .35. Sutheelandia. 

 Standard longer than the obtuse keel . . . 36. Lesseetia. 

 Leaves simple. Flowers axillary, minute . . . 37. Stlitra. 



Tribe 8. Asteagale^. Stamens diadelphous. Legume completely or 

 incompletely longitudinally 2-celled, by the introflection of one of the 

 sutures. — Stem not twining. Leaves pinnate. 

 Legume with its lower {carinal) suture introflesed . 38. Asteagalus. 



Tribe 9. HEDTSAEEiE. Legume more or less completely jointed, usually 

 separating at maturity into indehiscent, 1-seeded fragments, sometimes re- 

 duced to a single joint. — Leaves vai'iously compound or simple. 

 Leaflets 2-4, from the apex of a common petiole 



[peUucid-clotted) 39. ZoENlA. 



Leaves pinnate ; leaflets in 2 or many pairs. 



Stamens 10, in two 5-androus sets. Legume 



jointed 40. tEschtnomene. 



Stamens monadelphous. Pod subterraneous, in- 

 dehiscent 41. Aeachis. 



Leaves pinnately 3-foliolate. 



Calyx tube veiy long ; corolla inserted in its 



throat 42. Stylos anthijs. 



Calyx short, 2-lipped ; corolla inserted in its 

 bottom. 

 Legume many -jointed, spontaneously break- 

 ing up 43. Desmodium. 



Legume imperfectly jointed, not spontaneously 



separating ' . . 44. Anaetheosyne. 



Leaves simple or 1-foliolate. 



Unarmed undershrubs or herbs. 



Legume separating into 2 or more joints . . 45. Alysicaepus. 

 Legume 1-seeded, indehiscent ; flowers axillary. 



Leaves obcordate ; stipules free 46. Kequeenia. 



Leaves cordate or lanceolate ; stipules adnate 47. Hallia. 

 Spinous shrubs. Legume irregularly constricted, 



indehiscent 48. Alhagi. 



Tribe 10. ViciEjE. Stamens diadelphous, or monadelphous above the 

 base. — Herbs, with abruptly pinnate leaves, the common petiole prolonged 

 into a tendril or excurrent point. 

 Style with a tuft of hairs below the stigma . . .49. YiCiA. 



Tribe 11. Phaseole^. Stamens diadelphous, or monadelphous above 

 the base. Legume 2-valved, 1-celled. — Stem frequently climbing, prostrate 

 or diffuee. Leaves usually pinnately-3-foliolate, sometimes l-foliolate (in 

 Ahriis multijugate), stipellate. 



