124 LEGUMINOS^. (pulse FAMILY.) 



Tribe IIT. GALEGE.^. Herbs or woody plants (twining only in No. 12), not tendril- 

 bearing, with pinnate or sometimes palmately compound leaves. Stamens diadelphoua or 

 rarely monadelphous : anthers uniform (or the 5 alternate ones sometimes smaller in 

 No. 7J. Pod continuous, at least not transversely jointed. 



* PSORALIE^, Glandular-dotted shrubs or herbs. Ovary 1 - 3 ovuled ■, the legume small 



and indehiscent, 1-seeded, rarely 2-seeded. 



7. Fsoralea. Corolla truly papilionaceous. Stamens 10, more or less diadelphous, half of 



the anthers often smaller or less perfect. Leaves 3 - 5-foliolate. 



8. palea. Corolla imperfectly papilionaceous. Stamens 9 or 10, monadelphous ; the cleft 



tube of filameots bearing 4 of the petals about its middle. Leaves pinnate. 



9. Petalostemon. Corolla scarcely at all papilionaceous. Stamens 6, monadelphous; 



the cleft tube of filaments bearing 4 of the petals on its summit. Leaves pinnate. 



10. Aniorpha. Corolla of only one petal ! Stamens 10, monadelphous at the base. Leaves 



pinnate. 



* * TEPHROSIE.^. Trees, shrubs, or herbs. Ovary several - many-ovuled : pod flattened, 



several-seeded, 2-valved. Leaves pinnate. Standard large and broad. 



11. Robinia. Wiijgs of the corolla free from the keel. Pod fiat, thin, margined on one edge. 



Trees or shrubs : leaflets stipellate. 



12. Wistaria. Wings free from the keel. Pod tumid, marginless. Woody twiners : leaflets 



obscurely stipellate. 



13. Teplirosia. Wings cohering with the keel. Pod flat, marginless. Herbs : leaflets not 



stipellate. 



* * * ASTRAGALEiE. Chiefly herbs, with pinnate leaves and axillary racemes or spikes. Pod 



mostly turgid or inflated. Style beardless. Standard narrow, erect. 



14. Astragalus. Anthers distinctly 2-ceUed. Keel not tipped with a point or sharp ap- 



pendage. Pod turgicj, with one or both the sutures turned in, sometimes dividing the cel| 

 lepgthwise into two. 

 16 Oxy tropis. Keel of the corolla tipped with a point : otherwise as Astragalus. 

 16. Glycyrrhiza. Anthers with the two cells confluent. Pod short, few-seeded, nearly 



indehiscent, glandular- prickly. 

 Tribe IV. HEDYSARE.E. Herbs, with pinnate or plnnately 1 - 3-foliolate leaves, 

 not tendril-bearing. Anthers unifonUj except in No. 21. Pod (loment) transversely 2 - sev- 

 eral-jointed, the reticulated 1-seeded joints remaining closed, or sometimes reduced to one 



such joint. 



* Leaves pinnate, with several leaflets, not stipellate. 



.17. .ffischynomene. Stamepsequally diadelphous (5 & 5). Calyx 2-Upped. Pod several- 

 jointed : joints square- 

 is. Hedysarum. Stamens unequally diadelphous (9 & 1). Calyx 5-cleft. Pod several- 

 jointed : joints roundish. 



* * Leaves pinnately 3-foliolate, rarely 1-foliolate. 



19. Desmodlum. Stamens diadelphous (9 & 1) or monadelphous below. Calyx 2-lipped. 



Pod several-jointed. Flowers all of one sort and complete. Leaflets stipellate. 



20. Ijespedeza. Stamens diadelphous (9 & 1) : anthers uniform. Pod 1 - 2-jointed. Flow- 



ers often of 2 sorts, the more fertile ones apetalous. Leaflets not stipellate. 



21. Stylosantbes. Stamens monadelphous : anthers of 2 sorts. Pod 1- 2-jointed. Calyx 



deciduous, the tube narrow and stalk-like. Leaflets not stipellate. 



Tribe V. VICIB.SE. Herbs, with abruptly pinnate leaves, usually climbing, the common 

 leafstalk continued into a tendril or bristle. Peduncles axillary. Stamens chiefly diadelphous 

 (9 & 1). Pod continuous, 2-valved, few - several-seeded. Cotyledons very thick, remaining 

 under ground in germination. 



22. Vicia. Wings adherent to the keel. Styl? filiform, bearded with a tuft or ring of hairs 



at the apex. 



23. Latbyrus. Wings nearly free. Style eome^yhat dilated and flattened upwards, bearded 



down the inner face. 



