430 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 



writer, Copaifera, also, has been reported, but there is no reason to believe 

 that the genus belongs to the Mexican flora, 



Coumaroiina oleifera (Benth.) Taub.^ was described, or rather mentioned, as 

 the " Eboe-tree of the Mosquito shore." Henisley gives the distribution as 

 " Mexico ; Honduras," but it is very doubtful whether the plant occurs in 

 Mexico. 

 Stamens free. 



Leaves digitately 3-foliolate III, Podalyrieae. 



Leaves pinnate (rarely 1-foIiolate). 



Leaflets 1 to 3; petal 1 I. Swartzieae. 



Leaflets 5 or more; petals 1 or ~> IL Sophoreae. 



Stamens monadelphous or diadelphous. 



Fruit breaking up into joints VI. Hedysareae. 



Fruit continuous, not jointed. 



Leaves digitately 3-foliolate IV. Genisteae. 



Leaves pinnate or rarely simple. 



Leaflets 3 (rarely 5) ; plants usually scandent ; fruit bivalvate. 



VIII, Phaseoleae, 

 Leaflets usually 7 or more, or the leaves simple; plants usually erect; 

 fruit often indehiscent. 

 Leaves even-pinnate. 



Plants scandent VII. Vicieae, 



Plants erect VI. Hedysareae. 



Leaves odd-pinnate or simple. 



Fruit large, indehiscent IX. Dalbergieae. 



Fruit dehiscent, or very small and indehiscent V. Galeg'eae. 



Tribe I. Swartzieae. 

 A single genus 1. TOUNATEA. 



Tribe II. Sophoreae. 



Petal 1. Fruit short; ovules 2 2. ATELEIA, 



Petals 5. 



Ovule 1 3. TOLUIFERA, 



Ovules 2 or more. 



Stamens long-exserted 4. SWEETIA. 



Stamens not exserted. 



Calj^x short-dentate 5. SOPHOEA, 



Calyx deeply lobate 6. OBMOSIA. 



Tribe III. Podalyrieae. 

 A single genus 7. XYLOTHERMIA. 



Tribe IV, Genisteae, 

 A single genus in Mexico 8, CROTALARIA, 



Tribe V. Galegeae. 



Hairs of the pubescence usually attached by the middle ; connective of the anther 

 appendaged _1 9. INDIGOFERA. -^ 



Hairs attached by the haf^e ; connective not appendaged. 

 Seeds usually 1 or 2 ; leaves gland-dotted. 



Seed 1 : 10. APOPLANESIA. 



'Taub. Bot. Centralbl. 47: 389. 1891. Dipteryx oleifera Benth. in Hook. 

 Journ. Bot. 2: 235. 1850. 



