STANDLEY TEEES AND SHRUBS OF MEXICO. 495 



Wenderothia discolor Schlecht. Linnaea 12: 331. 1838. 



Wenderothia pilosa Mart. & Gal. Bull. Acad. Brux. 10^: 191. 1843. 



Wenderothia glabra Mart. & Gal. Bull. Acad. Brux. 10^: 193. 184S. 



Sinaloa to Nuevo Leou, Tabasco, and Chiapas. Central America. 



Scandent shrub or herb ; leaflets 6 to 11 cm. long, usually oval, short-acumi- 

 nate ; flowers violet, showy, 3.5 cm. long ; fruit about 15 cm. long and 2 cm. wide, 

 densely pilose. " Patito " (MichoacS-n, Guerrero) ; " frijolillo " (Sinaloa, Puebla, 

 Tabasco); " gallinitas " (UrMna). 

 3. Canavalia hirsuta (Mart. & Gal.) Standi. 



Wenderothia hirsuta Mart. & Gal. Bull. Acad. Brux. 10 ^ 192. 1843. 



Veracruz to Guerrero and Chiapas ; type from Oaxaca. Guatemala. 



Scandent shrub, similar to C. villosa. 



The bractlets at the base of the calyx are much larger than in the preceding 

 species. 



40. ERIOSEMA Desv. Ann. Sci. Nat. 9: 421. 1826. 

 Low shrubs or herbs, unarmed ; leaves pinnate, 3-foliolate or rarely unifolio- 

 late, the leaflets gland-dotted beneath ; flowers yellow, racemose, often large 

 and showy ; fruit compressed, bivalvate, short, usually 2-seeded. 

 Flowers in elongate racemes. 

 Flowers about 1.5 cm. long; lobes of the calyx scarcely longer than the tube. 



1. E. multiflorum. 

 Flowers 2 cm. long ; lobes of the calyx fully twice as long as the tube. 



2. E. grandiflorum. 

 Flowers in very short headlike racemes. 

 Pubescence of the lower surface of the leaflets closely appressed. 



3. E. difEusum. 

 Pubescence of the lower surface of the leaflets chiefly loose and spreading. 

 Corolla 12 to 14 mm. long ; peduncles shorter than the racemes ; leaflets of 



the lower leaves less than twice as long as wide 4. E. palmeri. 



Corolla less than 10 mm. long ; peduncles usually longer than the racemes ; 

 leaflets more than twice as long as wide 5. E. pulchellum. 



1. Eriosema multiflorum Robinson, Proc. Amer. Acad. 29: 316. 1894. 

 Known only from the type locality, rocky hills near Tequila, Jalisco. 



Shrub, 0.6 to 1 meter high ; leaves subsessile, the 3 leaflets oblong, rounded at 

 apex, rugose. 



2. Eriosema grandiflorum (Schlecht. & Cham.) Seem. Bot. Voy. Herald 345. 



1857. 



Rhijnchosia grandi flora Schlecht. & Cham. Linnaea 5: 588. 1830. 



Souora to Oaxaca and Veracruz ; type from Hacienda de la Laguna, Vera- 

 cruz. 



Erect shrub, 1 to 2 meters high ; leaflets mostly oblong, 4 to 9 cm. long, 

 obtuse or acute, densely pubescent; flowers in long racemes, large and showy. 

 " Jarilla de la sierra" (Sinaloa). 



3. Eriosema diffusum (H. B. K.) Don, Hist. Dichl. PI. 2: 347. 1832. 

 Glycine diffusa H. B. K. Nov. Gen. & Sp. 6: 420. pi. 572. 1823. 



Sinaloa to Chiapas and Veracruz. Central America and Colombia (type 

 locality). 



Plants erect, herbaceous or suffrutescent, closely but sparsely sericeous; 

 leaflets linear-oblong to oval, 2.5 to 7 cm. long; fruit short, densely pilose. 

 "Guapo" (Guatemala); " guapillo " (Guatemala, Honduras, Blake); " hierba 

 del duende" (Sinaloa). 



An infusion of the plant is used in Guatemala for female diseases. 



