132 Annals of the Carnegie Museum. 



Leaflets smooth or nearly so, rarely more than 5 or 6 mm. long; pods 

 strongly constricted. 

 Leaflets in 4-12 pairs; a slender erect herb; pods much more 

 deeply constricted on the lower edge. 



308. jEschynomene tenuis. 

 Leaflets in 12-20 pairs; half-shrubby, 1-3 m. high; pods about 

 equally constricted on both edges. .307. jEschynomene sensiliva. 

 Leaflets less than five to a leaf. 



Leaflets one to a leaf (see also Indigofera pascuorum and Galaclia parvifolia). 

 Shrub or low bushy tree with one or more leaflets in the axil of a small 



spine 306. Brya Ebenus. 



Herbs; unarmed. 



Stem conspicuously winged 300. Crotalaria pterocaula. 



Stem not conspicuously winged. 



Twining vines; leaflets varying from three and ovate, to one 

 and linear-oblong or lance-oblong. 320. Bradburya virginiana. 

 Non-twining, more or less erect herbs. 



Leaves obcuneate-oblong, retuse; pod about 3 cm. 



long by 1.3 cm. wide 301. Crotalaria retusa. 



Leaves linear-oblong, the leafless stem above them terminating 

 in a slender, erect, laxly-flowered spike. 



313. Meihomia Cowellii. 



Leaflets two to a leaf 309. Zornia diphylla. 



Leaflets three to a leaf. 



Tree; terminal leaflet often 10 or 12 cm. wide and about the same length. 



323. Erythrina Berteroana. 

 Herbs, vines, or undershrubs. 



Erect, or not essentially twining plants. 



Leaflets up to about 2 cm. long and 3 mm. wide; slender peduncle 

 ascending far above the leaves. 



340. Phaseolus lathyroides. 

 Leaflets much larger or else relatively much wider. 



Flowers large and showy, with standard up to 5 cm. 



long and 4 or 5 cm. wide 319. Clitoria guianensis . 



Flowers much smaller. 



Leaflets narrowly oblong, more than five times as long as 



wide 338. Eriosema crinitum. 



Leaflets relatively wider. 



Leaflets obtuse to retuse, softly tomentose, about 3-5 by 



1.5-2 cm 332. Calactia Jussiaana. 



Leaflets velvety, acuminate, up to 3 by 7 or 8 cm. in 

 dimensions; plants erect; pods not much constricted. 



335. Cajanus indicus. 

 Leaflets oval or oblong, rarely over 2 cm. long; plant 



creeping 312. Meibomia Scorpiurus. 



Leaflets widely ovate, usually about 6 cm. long; stems 



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