L56 ONTRIBUTIONS FROM llll. NATIONAL HERBARIUM. 



Leaflets 3 I 5 jugate 



Leaflets Bmall, 2 to 3.5 cm. I"iiu r . obtuse at both 

 endf 



Leaflets usually •"■ or (-jugate, obovate or 

 oval-roundish, rounded at the top, glands 

 between the leaves; racemes few-flowered; 

 pedicels •"» to 6 nun. long; Legume coria- 

 ceous, dehiscent along the sutun l. C. bicaptularu. 

 Leaflets usually 5-jugate, oval or elliptical, 

 rounded at the top, a gland bet ween the 

 lower leaves; racemes long and many- 

 flowered; pedicels 2 to 3 cm. long. I . ttahlii. 

 La aflets Large, ovate-oblong or ovate-lanceolate, 

 acuminate, 5 to s cm. long; petiole with ob- 

 long glands between the leaflets; legume te- 

 rete. 6. C. leu i igata. 

 Legume flattened-com pressed, membranous, bivalved, 

 convex; seeds compressed parallel to the dissepiments; 

 petiole with obtuse glands near the base. Section 

 Oncolobii m Vog.) 



Leaflets 1 or 5-jugate, ovate or elliptic lanceolate, 2.5 



i" 5 cm. long. 7. < '. occidi ntalis. 



Legume compressed-tel ragonal, linear; seeds compressed 



parallel to the valves, their larger diameter likewise 



parallel to the valves. (Section Prososperma Vbg.) 



Leaflets 2 or 3- jugate, obovate or obovate-oblong, 1.5 



to 5 cm. long; legume LO to 20 cm. long, I !<> 6 mm. 



wide. 8. ( '. lord. 



Legume flat-compressed, bivalved; seeds compressed 

 parallel to the valves, with their longer diameter trans- 

 verse to them. (Section Cham aesenn a I" 



Legume winged with a broad Longitudinal wing on 

 each valve; leaves 30 to 60 cm. long; Leaflets 9 to 

 L2-jugate, oblong, truncate at the subsessile base, 

 7.5 to 17.5 cm. long; petiole 3-angular, eglandular. 9. C. alutd. 

 Legume nol winged. 



Leaves very small: Leaflets 5 to L5-jugate, obo- 

 vate-oblong, ciliate on the margins, otherwise 

 glabrous; Leaves Fasciculate at the nodes; le- 

 gumes narrow. M). C. polyphylla. 

 Leaves much Larger, pilose; Leaflets 3 to 5-jugate, 

 rarely 2-jugate, broadly oval-oblong, very ob- 

 tuse, upper surface pubescent, lower surface 

 tomentose, eglandular; legume coriaceous. 

 linear, straight, glabrous, tumid at the mar- 

 gins. 11. C. i marginata. 

 Stamens LOor fewer, all perfect . similar and but slightly une- 

 qual (rarely 2 or 3 abortive); anthers linear: pedicels soli- 

 tary, in pairs or fascicles, axillary or superaxillary ; common 

 peduncle \ ery Bhorl : Legumes flat, linear, elastic, 2-valved. 

 (Subgenus Lasiorhegma Vbg. Section Chamaecrista 

 > 

 Leaflets L-jugate, oblique, semiorbicular or semiobovate, 

 flabellate-nerved ; petiole glandular; peduncle one- 

 flowered; Legume hairy with ad pressed down. 12. C. diphylla. 



