L . LEGUMINOSJE. (J. G. Baker.) 57 



* Anthers uniform. Keel petals scarcely cohering. 



3. ROTHIA. 



* Anthers dimorphous. Keel petals Jirmly cohering. 



Leaflets entire, subsessile. 

 Keel obtuse. 



Calyx 2-lipped 4. ARGYROLOBIUM. 



Calyx subequally 5-toothed 5. LOTONONIS. 



Keel beaked. 

 Pod flattened. 



.Flowers solitary in axils of leaves .... 6. HEYLANDIA. 



Flowers in terminal racemes 7. PRIOTROPIS. 



Pod turgid . . . . . . . . . 8. CROTALARIA. 



Leaflets toothed, stalked 9. ONONIS. 



Tribe III. Trifolieae. Stamens diadelphous. Pod usually dehiscent, not 

 jointed. Leaves digitately or pinnately 3-foliolate ; leaflets usually toothed. 



* Leaves digitately 3-foliolate. 



Petals persistent, adnate to the staminal tube . . . 10. TKIFOLIUM. 

 Petals caducous, free from the staminal tube . . . 11. PAEOCHETUS. 



** Leaves pinnately 3-foliolate. 



Pod elongated, straight or recurved 12. TRIGONELLA. 



Pod short, round, or oblong .13. MELILOTUS. 



Pod falcate or spiral 14. MEDICAGO. 



Tribe IV. Loteao. Stamens diadelphous. Pod dehiscent, not jointed. 

 Leaves pinnately 6-foliolate ; leaflets entire. 



15. LOTUS. 



Tribe V. G-aleg'eae. Stamens usually diadelphous. Pod dehiscent, not 

 jointed. Leaves imparipinnate ; leaflets entire. 



* Anthers apiculate. Hairs fixed by the centre. 



Stamens monadelphous . . ' . . - ' . . 16. CYAMOPSIS. 

 Stamens diadelphous . . 17. INDIGOFERA. 



: * Anthers obtuse. Hairs basifixed. 



Pod 1 -seeded, indehiscent. Leaves gland-dotted . . .18. PSORALEA. s' 

 Pod few- or many-seeded, subindehiscent or late in dehiscing. 

 Filaments filiform. 



Pod membranous, inflated 19. COLUTEA. 



Pod woody or very firm 20. MH.T:KTTIA. 



Filaments dilated . . .21. MuxuvrjiA. 



Pod many -seeded, soon dehiscing. 



Flowers mostly in leaf-opposed racemes . . . .22. TKVUR-OSIA. 

 Flowers mostly in axillary racemes. v 



Pod very long, distinctly septate 23. SKSBANIA. 



Pod linear or oblong, not septate. 



Calyx very oblique 24. CARAGANA. 



Calyx not oblique. 



Keel very, short, obtuse . . . ... .25. GUI/DENSTJEDTIA. 



Keel long, obtuse 26. ASTRAGALUS. 



Keel long, appendiculate 27- OXYTROPIS. 





