43. PAPILIONACEM. 



VII. L. odd-pinnate with alt. or opp. lflts. Pod flat 

 indehiscent. St. 9, 9 + 1 or 10 or 5 + 5. 

 A Trees. 



Fia. pink. Lflts. opp. Pod almost woody, 



wingless 25. Pongamia. 



Fls. yellow. Lflts. alt. Pod thin at the 



margins, orbicular 26. Pterocarpus. 



Fls. white pink or pale yellow. Pod thin, 



oolong 27. Dalbergia. 



B. Woody climbers. 



Pod usually thin. Lflts. alternate . . 27. Balbergla. 

 Pod firm, winged, Lflts. opposite . . 28. Derris. 



Pod hard, almost woody, not winged . . 29. Millettia. 

 VIII. L. odd-pinnate* (even -pinnate in Sesbania) with 

 usually opposite lflts. Pod dehiscent, not 

 jointed, septate (not or obscurely septate in 

 29 and 30). St. 9 + 1. 



Woody climber 29. Millettia. 



Undershrubs. Anthers obtuse. Hairs basifixed 30. Tephrosia. 

 Herbs or undershrubs. Anthers apiculate. 



Hairs usually laterally fixed . . .31. Indigofera. 

 Herbaceous or woody. L. even pinnate with 



numerous lflts 32. Sesbania. 



IX. Pod breaking up into 1-seeded joints, margin 

 indented be Ween the joints (only 1 joint in 

 Lespedeza. and continuously dehiscent along 

 the ventral suture, not breaking up, in two 

 species of Desmodium). 



A. Herbs, shrubs or undershrubs. 



L. pinnate with numerous lflts. St. 5 + 5. 



Pod.straight . . . . . .33. Mschynomene. 



L. pinnate. St. 9 + 1. Pod twisted up . . 34. Vraria. 

 L. 1-and 3-foliolate often intermixed. Pod 



twisted up .34. Uraria. 



L. pinnately 3-foliolate. Pod of 1 flattened 



joint . ... .35. Lespedeza. 



L. pinnately 1-3-foliolate. Pod flattened 



not twisted up 36. Desmodium. 



B. Trees. L. pinnately 3-foliolate. Pod not 



twisted up . . . . . .37. Oligemia. 



X, St. free. L. odd-pinnate. Pod dehiscent moni- 



liform 38. Bophora. 



* S-1-foliolate in some Indigofera. 

 810 



