STANDLEY TEEES AND SHRUBS OF MEXICO. 437 



Leaves trifoliolate. 

 Leaflets densely pilose-sericeous on the upper surface. 



Corolla copiously pilose 2. C. gloriosa. 



Corolla glabrous 3. C. mollicula. 



Leaflets glabrous or nearly so on the upper surface. 

 Pubescence of the fruit spreading. 



Keel of the corolla about 8 mm. long 4. C. setifera. 



Keel 12 to 15 mm. long 5. C. eriocarpa. 



Pubescence of the fruit closely appressed. 



Keel of the corolla with a long slender beak 6. C. longirostrata. 



Keel with a short stout beak. 



Racemes mostly borne opposite the leaves 7. C. vitellina. 



Racemes mostly terminal. 



Leaflets lanceolate to linear-oblong 8. C. maypurensis. 



Leaflets mostly ovate or elliptic 9. C. anargyroides. 



1. Crotalaria schiedeana Steud. Nom. Bot. 1: 445. 1840. 



Crotaluria bracteata Cham. Linnaea 5: 575. 1830. Not C. bracteata Rosb. 

 1814. 



Veracruz and Oaxaca ; type from Zacuapan, Veracruz. 



Low shrub or, as in most of the other species of the genus, chiefly or wholly 

 herbaceous ; leaves linear-oblong. 5 to 7 cm. long, subsessile, obtuse, sericeous ; 

 flowers 2 cm. long ; fruit about 3 cm. long. 



2. Crotalaria g-loriosa Rose, Contr. U. S. Nat. Herb. 12: 273. 1909. 

 Known only from the type locality, mountains near Iguala, Guerrero. 

 Shrub, about 2 meters high, densely pilose ; leaflets 4 to 6 cm. long, acute ; 



corolla 1.5 cm. long; fruit densely sericeous. 



3. Crotalaria mollicula H. B. K. Nov. Gen. & Sp. 6: 403. 1823. 



Type from the vicinity of Guanajuato ; reported also from Oaxaca. 

 Leaflets lanceolate, obtuse, 1.5 to 2 cm. long. 



4. Crotalaria setifera DC. Prodr. 2: 131. 1825. 

 Jalisco to San Luis Potosi, Morelos, and Oaxaca. 



Slender shrub, often a meter high ; leaflets linear-oblong to elliptic, 1.5 to 4.5 

 cm. long, acute or obtuse ; flowers 1.5 cm. long ; fruit 1.5 to 2 cm. long. 



5. Crotalaria eriocarpa Benth. Bot. Voy. Sulph. 80. 1844. 

 Crotalaria viminalis Rose, Contr. U. S. Nat. Herb. 8: 47. pi. 6. 1903. 

 Sinaloa to Morelos ; type from Mazatlan, Sinaloa. 



Shrub, 1.5 to 3 meters high, sometimes with long pendent branches ; leaflets 

 mostly elliptic, 2 to 5 cm. long, acute or obtuse ; flowers yellow, 2.5 cm. long, in 

 long racemes; fruit 2 to 3 cm. long. " Tronador," " cascabelito " (Sinaloa). 



6. Crotalaria longirostrata Hook. & Am. Bot. Beechey Voy. 285. 1836-39. 

 Jalisco (type locality) and Tepic to Chiapas. Guatemala and Nicaragua. 

 Slender shrub, about a meter high ; leaflets oblong to elliptic-oval, 1 to 4.5 em. 



long, obtuse or rounded at apex ; flowers yellow, 1.5 to 2 cm. long. " Chapilln " 

 or " chipilfn " ( Guatemala ) . 



The young branches are used in Guatemala as a pot herb. 



7. Crotalaria vitellina Ker, Bot. Reg. 6: pi. U7. 1820. 



Sinaloa and Jalisco to Veracruz, Tabasco, and Chiapas. Central America and 

 South America ; type from Brazil. 



Slender shrub, about a meter high ; leaflets lanceolate to elliptic-oval, 2 to 8 

 cm. long, acute or obtuse ; flowers 2 cm. long, yellow ; fruit 2 to 3.5 cm. long. 

 "Chipilln Cimarron" (Tabasco); "tronador" (Sinaloa); " cohetillo " (El Sal- 



