438 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 



vador) ; " chipilin " (Guatemala); " quiebra-plato," "una del diablo " (Costa 

 Rica). 



Said to be of some importance as a forage plant in Brazil. 



8. Crotalaria maypurensis H. B. K. Nov. Gen. & Sp. 6: 403. 1823. 

 CrotaUiria acapidccnsis Hook. & Arn. Bot. Beechey Voy. 414. 1841. 

 Jalisco to Veracruz and Chiapas. Central America and Soutli America. 

 Slender shrub, 1 to 1.5 meters high ; leaflets 2.5 to 6 cm. long, obtuse or acute; 



flowers yellow, 1.5 to 2 cm. long ; fruit about 3 cm. long. 



9. Crotalaria anargyroides H. B. K. Nov. Gen. & Sp. 6: 404. 1823. 

 Veracruz to IMiclioacjin and Guerrero. Central America and northern South 



America. 



Leaflets 1 to 5 cm. long, obtuse or rounded at apex; flowers yellow, 1.5 cm. 

 long. 



C. cajanifolia H. B. K.,' described from the Volciln de Jorullo, is perhaps the 

 same species. 



9. INDIGOrERA L. Sp. PI. 751. 1753. 

 Unarmed shrubs or sometimes herbs, the pubescence of appressed hairs, 

 these attached by the middle ; leaves pinnate ; flowers small, in axillary 

 racemes ; fruit terete or compressed, small. 



Fruit strongly compressed, 3.5 to 5 mm. wide 1. I. platycarpa. 



Fruit terete or tetragonous, usually narrower. 



Leaflets oblanceolate or obovate, broadest above the middle ; leaves sessile 

 or nearly so. 



Leaflets conspicuously punctate 2. L sabulicola. 



Leaflets not punctate. 



Plants prostrate or procumbent; leaflets usually less than l.."> cm. long. 



3. I. ornithopodioides. 



Plants erect; leaflets mostly 1.7 to 3 cm. long 4. L lespedezioides. 



Leaflets lanceolate to oval, broadest at or below the middle ; leaves pet- 

 iolate. 

 Fruit 1 to 3-seeded, 5 to 9 mm. long. 

 Leaflets glabrous on the upper surface. 



Fruit subglobose, 1-seeded 5. I. sphaerocarpa. 



Fruit oblong, usually 2 or 3-seeded 6. I. densiflora. 



Leaflets strigose on the upper surface. 



Fruit truncate or subtruncate at apex 7. L sphinctosperma. 



Fruit rounded to acute at apex. 



Fruit 1-seeded, subglobose 8. I. jaliscensis. 



Fruit 2 or 3-seeded, oblong. 



Leaflets usually 15 or more 9. 1. montana. 



Leaflets 3 to 7 10. I. tumidula. 



Fruit with several seeds, usually much more than 1 cm. long. 



Lobes of the calyx subulate, twice as long as the tube or longer ; leaflets 



usually 3 or 5 11. I. mucronata. 



Lobes of the calyx deltoid or lanceolate, little if at all longer than the 

 tube ; leaflets 7 or more 



Fruit conspieiously curved 12. I. suffruticosa. 



Fruit straight or nearly so. 



Leaflets glabrous on the upper surface 13. I. salmoniflora. 



Leaflets strigose on the upper surface. 

 Corolla 5 to 6 mm. long. 



'Nov. Gen. & Sp. 6: 405. 1823. 



