xlviii class xvir. 



* Hvrbx with abrup tly j innate leave*, the common leaf-stalk produced into a 

 tcoJril or bristle. Peduncles axillary. 



1 Vicu. — Style bearded round the apex, or down the anterior side. 77 



2. LaTStros. — Style bearded on the posterior side, flattened. 78 



2. Pkum.— Legume oblong, tumid, many-seeded. 80 



4. Cickr.— Legume turgid, 2-secded. — Flowers white. 80 



5. Fab v.— Legume largo, coriaceous, somewhat tumid.— Herbs, without 



tendrils. 80 



** Twining or traili ng plantf, with odd-pinnate leETes of 2 to several leaflet?, 

 destitute of tendrils. 



6. PnAS80LCS— Keel spiral.— Leaves Sfoliate, stipellaU. 81 



7. Apxos. — Keel incurred, at length twisted. — Leaves 5 to 1-foliat*. 82 

 8-. Galactia.— Calyx 4-cleft. — Leaves pinnately trifoliate. 82 



9. Cxttrosema.— Calyx short, 5-cleft, with 2. bracteolca. Peduncles few-flow- 



ered. — Lav es pinnately trifoliate. S3 



10. Amphicarpa.— Calyx 4 or 6-toothed. Peduncles many-flowered. — Leaves 



pinnately tri-foliai:. 83 



11. Wistaria.— Calyx bilabiate. Wings and keel sickle-shaped. — Tunning 



shrubby plants, with pinnate leaves, and blue flowers in racemes. 83 



*** Legume separating into 2 to several 1-eeeded joints. Leaves 3 to many- 

 pinnate. 



12. .Eschtxowene.— Stamens equally dladelphous (S and 5). Legume several- 



jointed. — Lea/lets numerous. El 



13. Usetsarum.— Legume with many joints. — Leaves odd-pinnate. 84 



14. DraMODirar. — Stamens mostly diade.phous (9 and 1). Legume several- 



jointed.— Leo.fl.zts 2. Flowers purple or purplish. 85 



15. Lespkdez a.— Anthers uniform. Legume of a single 1-seedcd joint, oval or 



roundish.— Leaflets 3. 87 



16: sttlosk. ntbus. — Stamens monodelphcus ; anthers of 2 forms. Legume 1 



or 2 jointed. — Leaflets 3. 88 



* *** Hobs, shrubs, or trees, not twining, climbing cr tendril-tearing. 



17. Astragalus.— Legume partly or quite 2-celled. — Herbaceous or shrubby. 



Leaves edd-pinnate. . 89 



13. Hobinia.- Style bearded.— Trees or shrubs, with prickly spines pinnate leaves, 



and showy racemose floioers. SO 



10. Tbphrosia.— Stamens monodelphous or scarcely diadelphous.— SiU.-y hoary 



Kerbs, with odd-pinnate leaves, and white and pitrpUsh flowers. 90 



20. Amorpha. — Stamens monodelphous merely at the base. Petal one. — 



Shrubs, with cdd-puinate leaves. 00 



21. Trip 3LIUM.— Flowers in dense heads.— Leaves trifoliate. CO 



22. Meulotits.— Flowers in spiked racemes. — Leaves pinnately trifoliate. 02 



23. Mkdicago— Flowers racemed or. 6piked. Legume more or less Bpir&l. — 



Leaves trifoliate. • 92 



21. Crotalaria.— Legume inflated, oblong.— Z<:ai'CJ simple. Flcwers yellow. S3 



25. Lupinus.— Stamens monodelphous. — Leaves palmatcly 6 to 15-fdiaie. C3 

 ***** Stamens distinct. Corolla truly papillionaceous. 



26. Baptisia.— Legume stalked in the persistent calyx, inflated.— Leaves 3- 



Miate. , C3 



27. CSRCT3— Trees with simple rounded heart-shaped leaves— F lev. en rcse- 



