1298 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 



33. Solanum diphyllum L. Sp. PI. 184. 1753. 



Tepic to Tamaulipas, Veracruz, and Oaxaca. Guatemala and El Salvador. 



Shrub, 1 to 1.5 meters high, the branches glabrous or obscurely puberulent ; 

 leaves petiolate, lanceolate to oblong-elliptic, 12 cm. long or less, acute or at- 

 tenuate at base, lustrous, glabrous beneath ; corolla white, 3 to 4 mm. long ; 

 fruit 6 to 7 mm. in diameter. " Amatillo," " hoja del golpe " (El Salvador). 



34. Solanum oaxacanum Dunal in DC. Prodr. 13*: 204. 1852. 

 ■Solanum hamatile T. S. Brandeg. Univ. Calif. Publ. Bot. 6: 192. 1915. 

 Oaxaca and Chiapas; type from Tehuantepec, Oaxaca. 



Shrub, glabrous throughout, the branches armed with short remote re- 

 curved prickles ; leaves long-petiolate, oblong-lanceolate to ovate-elliptic, 8 cm. 

 long or less, acute, decurrent at base, thin, paler beneath and sometimes 

 prickly along the costa ; inflorescence few-flowered, the floweres long-pedicel- 

 late; corolla about 1 cm. long. 



35. Solanum refractum Hook. & Arn. Bot. Beechey Voy. 304. 1839-40. 

 Sinaloa to Jalisco and Morelos; type from Tepic. 



Shrub, usually scandent, the branches densely prickly; leaves mostly 

 oblanceolate or obovate, 30 cm. long or less, obtuse to acuminate, long-attenuate 

 to the base, sessile or nearly so, entire or usually lobate, prickly beneath, 

 glabrous or pilose; flowers racemose-cymose, the inflorescences lax, many- 

 flowered ; corolla 12 mm. long, white ; fruit about 5 cm. in diameter. " Toronja " 

 (Sinaloa). 



36. Solanum houstoni Dunal, Hist. Sol. 248. 1813. 

 Solanum tampicensc Dunal in DC. Prodr. 13^: 284. 1852. 

 Tamaulipas and Veracruz ; type from Veracruz. Cuba ; El Salvador. 

 Shrub, 1 to 2 meters high, the branches armed with stout recurved prickles; 



leaves petiolate, oblong or oblong-ovate, 13 cm. long or less, obtuse or acute, 

 cuneate at base, irregularly lobate, sparsely stellate-pubescent ; flowers in 

 axillary umbels or racemes ; corolla white, 6 to 11 mm. long ; fruit red, 6 to 7 

 mm. in diameter, glabrous. " Ajic6n " (Cuba); " huistomate," " huevo da 

 gato" (El Salvador). 



37. Solanum jamaicense ^Nlill. Gard. Diet. ed. 8. Solanum no. 17. 1768. 

 Solanum cuneifolium Dunal, Hist. Sol. 193. pi. 22. 1813. 



Oaxaca. West Indies ; Central and South America ; type from Jamaica. 



Shrub, often scandent, the branches densely tomentose with chiefly stipitate, 

 stellate hairs; leaves broadly ovate or elliptic, 25 cm. long or less, acute, 

 angulate-lobate, densely tomentose with coarse stipitate stellate hairs, often 

 prickly beneath ; inflorescences lateral, few-flowered ; corolla white, 8 mm. 

 long; fruit orange, 4 to 6 mm. in diameter. " Berenjena " (Porto Rico). 



38. Solanum donnell-smithii Coult. Bot. Gaz. 16: 144. 1891. 



Veracruz, Oaxaca, and Chiapas. Central America ; type from Escuintla, 

 Guatemala. 



Erect or scandent shrub, the branches hispid with coarse long-stipitate 

 stellate hairs ; leaves oblong to ovate, 16 cm. long or less, acute, usually obtuse 

 at base, entire, lobate, or sinuate, usually prickly beneath ; cymes few- 

 flowered, lateral ; calyx prickly ; corolla 1.5 cm. long, parted nearly to the base, 

 white; fruit glabrous, nearly 1 cm. in diameter. "Huistomate" (El Salvador). 



39. Solanum amictum Moric. ; Dunal in DC. Prodr. IS^: 263. 1852. 

 Veracruz and perhaps elsewhere ; type from Cordillera of Guichilaca. 

 Branches stellate-hirsute; leaves ovate-lanceolate, 20 cm. long or less, 



acuminate, sinuate-repand, stellate-pilose al)Ove; cymes lateral, many-flowered; 

 calyx hirsute ; fruit 6 mm. in diameter. 



