GENERA OR FAMILIES. 151 



19. Leguminous Plants. LEGUMINOS^E. 



* Stamens monad elphous. 



(69) Ononis calyx nearly equally five-cleft, carapanulate, the 



segments narrow ; lower petal or keel beaked ; leaves sim- 

 ple or trifoliolate. 



(70) Anthyllis calyx tubular, inflated, five-cleft, segments un- 



equal ; keel not beaked ; leaves pinnate. 



** Stamens diadelpnous. 

 f Leaves of three leaflets. 



(71) Medicago calyx five-toothed, nearly equal ; keel of corolla 



obtuse ; ovary curved ; pod falcate or spirally twisted ; 

 leaves trifoliolate. 



(72) Melilotus calyx five-toothed, nearly equal ; petals decidu- 



ous ; keel obtuse ; ovary straight ; pod subglobose or ob- 

 long ; leaves trifoliolate ; flowers in long racemes, 



(73) Trigonella calyx five-toothed, nearly equal; petals distinct; 



keel obtuse ; pod straight, or slightly curved, eight-seeded, 

 much longer than the calyx ; leaves trifoliolate. 



(74) Trifolium calyx five-toothed, unequal ; petals persistent, 



cohering by their claws ; keel obtuse ; pod oval, 1-4-seeded, 

 scarcely longer than the calyx ; leaves trifoliolate. 



(75) Lotus calyx five-toothed, nearly equal ; keel ascending, 



with a narrowed point or beak ; style kneed at the base ; 

 pod linear, many-seeded, two-valved ; leaves trifoliolate. 



ft Leaves pinnate, or apparently simple, tendrilled ; (pod 

 one-celled, two-valved) . 



(76) Vicia calyx five-cleft or five-toothed ; style filiform, its 



upper part hairy all over, or bearded on the under side. 



(77) Lathyrus calyx five-cleft or five-toothed ; style dilated 



upwards, plane on the upper side, and hairy below the 

 stigma. 



