LEGUMINOSAE 



Aeschynomene 

 Desmodium 



Campylotropis 

 Lespedeza 



scarlet 9. Ormosia 



Stamens slightly connate at the base, equal: lfts. 



membranous: seeds not scarlet 10. Maackia 



FF. Lvs. simple or trifoliolate: pods flat: herbs (Podularieae) 11. Thermopsis 

 EE. Stamens monadelphous or diadeiphous. 



G. Pods constricted between the seeds, or of only one 

 fertile joint (Hedysareae). 

 H. Pods matuiing undeiground, usually 1-3-seeded, 

 somewhat inflated, but constricted between the 



seeds 12. Arachis 



HH. Pods maturing above ground, flattened and jointed, 

 or of only one fertile joint. 



I. Pods several-jointed. 



Leaflets numerous, very small: stamens 



grouped 5 and 5 13. 



Leaflets few or only one: stamens mona- 

 delphous or grouped 9 and 1 14. 



II. Pods reduced to a single joint. 



Pedicels solitary, in the axils of deciduous 



bracts; keel of the fl. curved-acuminate 15. 

 Pedicels often 2-4 together, subtended by 

 persistent bracts; keel of the fl. erecc, 

 obtuse or truncate, or the fls. apetalous: 



shrubs or herbaceous annuals 16. 



GG. Pods not constricted or jointed between the seeds. 

 J. Lvs. pinnately compound, with many lfts. 

 K. Some of the lfts. leplaced with tendrils. 



Wing petals united to the keel for more than half their 

 length. 

 Style enlarged at the top, bearded down one side .... 17. 



Style slender, with a tuft of hairs at the top 18. 



Wing petals free, or nearly so 19. 



KK. Lvs. without tendrils. 



L. Corolla incomplete, only the standard present: pods 



short, 1-seeded 20. 



LL. Corolla complete: pods elongated, with several seeds. 

 M. Pods opening by two valves. 



N. Woody twining vines 21. 



NN. Herbs, shrubs or trees. 



O. Trees or shrubs with spines in pairs at 

 the If. bases. 

 Lvs. alternate: fls. white, in pendulous 



racemes: trees 22. Robinia 



Lvs. fascicled; rachis persistent, spiny: 

 fls. yellow, solitary or fascicled: 



shrubs 23. Caragana 



00. Unarmed herbs, shrubs or trees. 



P. Anthers apiculate, centrally attached: 



shrubs or shrub-like herbs 24. Indigofera 



PP. Anthers obtuse, basifixed. 



Q. Woody vines: fls. in large panicles 25. Millettia 

 QQ. Herbs: fls. in head-like clusters 

 or racemes. 



Pisum 



Vicia 



Lathyrus 



Amorpha 



Wisteria 



174 



