ORDER XLIII. LEGUMINOS^E. 271 



ANALYSIS. 



1. Corolla papilionaceous 2 



Corolla not papilionaceous 42 



2. Leaves trifoliale 3 



Leaves pinnate 20 



Leaves simple or palmate 38 



8. Leaves pinnatel y trifoliate ? 4 



Leaves palmately trifoliate 18 



4. Fruit a legume 5 



Fruit a Ioment 16 



5. Legume many-seeded 6 



Legume few-seeded 12 



6. Plants trailing or vines 7 



Plants not vines 11 



7. Calyx 5-cleft 8 



Calyx 4-cleft, or bilabiate 9 



8. Keel, stamens, and style twisted together Phaseolu-% 5 



Keel not twisted Clitoria, 14, and Centrosema, 15 



v 4-cleft Galactia, 13 



Calyx bilabiate 10 



10. Flowers yellow Vigna, 6 



Flowers purple Policies, 7 



11. Flowers red Erythrina, 8 



Flowers white, blue, or yellow Bapti&ia, 43 



1-2. Cat vx 5-cleft 3felilotus, 29 



Calyx 4-cleft 13 



13. Tines 14 



Not vines 15 



14. Flowers yellow Phynchosia, 11 



Flowers "white or violet Arnphicctrpcea, 16 



15. Flowers in racemes fihynehosia, 11 



Flowers solitary or in pairs Pitcheria, 12 



16. Loment composed of several joints, each 1-seeded Desmodium, 37 



Loment 1 or 2 seeded 17 



17. Loment uncinate Stylosanthus, 34 



Loment unarmed Lespedeza, 39 



IS. Flowers in heads or dense spikes 19 



Flowers in oblong spikes or racemes Psoralen, 24 



Flowers in long racemes or solitary Baptisia, 42 



19. Flowers yellow Medicago, 30 



Flowers not yellow Trifoliwm, 23 



20. Leaves equally pinnate 21 



Leaves unequally pinnate 23 



Leaves irregular Psoralen, 24 



21. Leaves terminated by tendrils 22 



Leaves not terminated by tendrils 24 



22. Flowers purple Laihyrus, 4 



Flowers white or blue 23 



28. I.- -'-ime smooth, many-seeded Vicia, 2 



me hairy, '2-seed*ed Ervum, 3 



24 <hrubs or trees 25 



eoufl plants 26 



25. Stamens diadelpbona Affati, i" 



• :is monadelphous Amorpha, 25 



tens not united Gleditschia, 47 



26. Stamens diadelphous 27 



' united t 'a$sia, 75 



27. Legume many-seeded 36«bania, 18 



Legume few-seeded Chapraannla, 85, and Glottidium, 19 



23. Twining plants or vines 29 



Not twining plants or vines 81 



