LEGXJMINOS-S (pulse FAMILY.) 209 



Tribe 1. PODAIiYRIE^. Stamens free. Pod not jointed. Cotyledons leafy 

 — Herbs or shrubs with simple or digitate leaves. 



1. ANAGYRIS. Wings longer than standard, shorter than keel. 



Tribe 11. GENISTE^. Stamens raonadelphous, the alternate anthers short 

 rersatile, the others longer, fixed by their base. Wings of corolla wrinkled-folded at their 

 upper margin. Pod not jointed, rarely indehiscent. Cotyledons leafy — Shrubs, rarely herbs 

 with bimple or digitate leaves, and entire leaflets. ' 



* Staminal tube split along its upper surface. Seeds not caruncled, 



I The 4 upper calyx-lobes connate in pairs, the lowest lobe narrower. 



2. LOTONONIS. Thomless desert shrubs, flowers cream-colored, pods oblong, flattened, 



f f Calyx-lobes nearly equal, or the upper 2 forming one lip, the lower 3 another. 



3. CROTALARIA. Thomless, low shrubs, with yellow flowers, and inflated pod. 



* * Staminal tube closed. Seeds not caruncled. 

 I Calyx-lobes or lips much longer than tube. 



4. LUPINUS. Annuals, with digitate leaves, and large, blue, white, or yellowish flowers. 



5. ARGYROLOBIUM. Thomless shrubs, with trefoil leaves, and small, yellow flowers. 



f I Calyx lobes or teeth generally shorter than tube. 



6. ADENOCARPUS. Thomless shrubs, with small, yellow flowers, and flattened pods. 



7. CALYCOTOME. Thorny shrubs, with showy, yellow flowers, and quadrangular pod*. 



8. GENISTA. Thorny or thomless, leafy shrubs, with yellow flowers. 



9. RETAMA. Almost leafless, unarmed, desert shrubs, with white flowers, 



10. GONOCYTISUS, Tall, unarmed shrubs, with yellow flowers, and rhomboidal pods. 



IL SPARTIUM. Almost leafless, unarmed shrubs, with rush-like branches, and showy 

 yellow flowers. '' 



* * * Staminal tube closed. Seeds caruncled. 



12. CYTISUS, Shrubs (ours unarmed), with digitate-trefoil or simple leaves. 



Tribe hi. TRIFOLiIE^. Stamens diadelphous, rarely monadelphous, the fila- 

 ments usually dilated at apex, and the anthers (except in Ononis) alike. Wings not plicate. 

 Pod not jointed, bivalved, rarely indehiscent. Cotyledons leafy — Herbs, rarely shrubs witli 

 pinnate, trefoil, digitate, or simple leaves, the veinlets of the leaflets ending in teeth, ' 



13. ONONIS. Pods inflated, oblong, ovate, or linear, beakless, 



14. TRIGONELLA. Pods not inflated, ovate, lanceolate, oblong, or linear, beaked. 



15. MEDICAGO. Pods falciform, or spirally coiled, not beaked, 



16. MELILOTUS. Pods small, globular or ovate, not included m calyx. 



17. TRIFOLIUM. Pods small, oblong, included in marcescent calyx and corolla. 



Tribe it. IiOTEiE. Stamens diadelphous, rarely monadelphous, the alternate 

 filaments or all dilated at apex, the anthers alike. Wings not plicate. Pod not jointed, in- 

 dehiscent or bivalved. Cotyledons leafy — Herbs or shrubs with trefoil, pinnate, or digitate 

 leaves, and entire leaflets, 



* Pod indehiscent, or at last 2-valved, 



18. ANTHYLLIS. Heads terminal. Calyx inflated in fruit. Pods ovate, 1-celled, 



19. PHYSANTHYLLIS. Heads axillary. Calyx inflated in fruit. Pods 2-celled, 



20. HYMENOCARPUS, Lower leaves trefoil, upper pinnate. Pod orbicular-circinnate. 



21. SECURIGERA, Leaves all pinnate. Pod linear, margined, constricted between seeds, 



* * Pod 2-valved. 



22. CYTISOPSIS. Leaves digitate, 5-7-parted. Pod woody. A small, silky shrub. 



23. DORYCNIUM. Leaf pinnate, lower leaflets stipule-like. Keel beakless. Ped wingless. 

 S4. LOTUS, Lower leaflets of pinnate leaf stipule-like. Keel beaked. Pod wingless. 



25. TETRAGONOLOBUS. Lower leaflets of pinnate leaf stipule-like. Pod 4-winged. 



Tribe V, GAIiEGEiE. Stamens diadelphous, rarely monadelphous; filaments 

 filiform at apex. Pod not jointed, indeliiscent or bivalved. Cotyledons leafy — Herbs or 

 shrubs with pinnately 3-<» , usually entire leaflets, rarely simple, the petiole not ending in a 

 tendril. 



* Pod small, generally l-seeded, indehiscent. Olandular-dotted shrubs. 



26, PSORALEA, Leaves trefoil. Flowers racemed or capitate, 



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