2 FLORA OF JAMAICA 



Leaves pinnate with an odd leaflet. 

 Leaves with 1-3 leaflets. 



Pod jointed 4. 



Pod not jointed. 



Leaflets with conspicuous stipels 8. 



Leaflets generally without stipels. 



Stamens numerous, all distinct. Petal 1 .... 12. 

 Stamens 10 (or 9), only one sometimes distinct. 



Leaflets with glandular dots beneath ( J. 



Leaflets without glandular dots. 



Trees or shrubs 10. Dalberg'm . 



Herbs woody below 3. Indigofera. 



Leaves with 5 to several leaflets. 



Pod jointed 4. ^Escliynomcnc. 



Pod not jointed. 



Stamens 10, all distinct. Shrubs or trees 11- 



Stamens 10 or 9, one only sometimes distinct. 



Stems twining 8. Clitoria. 



Stems not twining. 

 Herbs or shrubs. Stamens 9 in one bundle, 



one usually distinct 3. 



Trees or shrubs, branches sometimes 

 twining. Stamens in 1 or 2 bundles, 



one sometimes more or less distinct 10. 



Leaves abruptly pinnate. 



Leaves with 2 pairs of leaflets. Pod burying itself 



in the earth 5. 



, Leaves with several pairs of leaflets. 



Leaves with a tendril 6. 



Leaves without tendrils. 



Branches twining 7. 



Branches not twining 3. Sesbania. 



KEY TO GENERA. 



1. Herbs or shrubs (not twining). Leaves simple or 

 digitate, with 3 or 5 leaflets, or reduced to spines. 

 Flowers various. Pod 2-valved, inflated in Crota- 

 laria. 



Leaves simple, or digitate with 3 or 5 leaflets ... 1. Crotalaria. 



[Leaves reduced to spines Ulex.~\ 



2. Herbs. Leaves digitately 3-foliolate, leaflets denti- 

 culate. Flowers in heads. Pod small, enclosed 

 in the withered calyx and corolla, not opening 2. Trifolium. 



3. Herbs (woody below) or shrubs, not twining, some- 

 times arborescent (in Sesbania). Leaves impari- 

 pinnate (usually 5 or more leaflets) or abruptly 

 pinnate (in Sesbania). Flowers in racemes, axil- 

 lary, terminal, or opposite the leaves. Pod 2-valved, 

 or sometimes scarcely opening (in Sesbania). 

 Racemes axillary. 



Leaves imparipinnate 3. Indigofera. 



Leaves abruptly pinnate 5. Sesbania. 



Racemes terminal and also axillary, or opposite 



the leaves 4. Tephrosia. 



[Racemes appearing before the leaves Gliricidia.] 



