HOUSE, THE GENUS IPOMCEA 191 



Type locality: Cuemavaca, Morelos, Mexico. 



Distribution: Morelos. 



Specimens examined: Rose & Painter 6863, 1903 (type — N). 



17. Ipomcea intrapilosa Rose, in Gard. & For. 7: 367. 1894. 



I. murucoides var. glabrata A. Gray, Proc. Am. Acad. 22: 440. 1887. Not /. gla- 

 brata Meissn. 1869. 



Nearly glabrous throughout; leaf-blades triangular-ovate, short-acuminate, 

 truncate or rounded at the base, 5-15 cm. long; calyx tomentose without in bud, 

 becoming glabrate, pubescent within; sepals oval, subacute, 12-16 mm. long; 

 coroUa 4-5 cm. long, the limb 7-8 cm. broad; capsules ovoid, 2 cm. long; seeds with 

 a long dorsal coma of white hairs. 



Type locality: Chapala, Jalisco, Mexico. 

 Distribution: Rocky hillsides, western and southern Mexico. 

 Specimens examined from Sonora, Acapulco, Jalisco, Oaxaca and 

 Morelos. Type collected by Pahner {No. 703, 1886, N). 



18. Ipomcea calva House, Bot. Gaz. 43: 410. fig. 1. 1907. 



Leaves clustered near the ends of the branches, blades small, 2-3 cm. long, 

 nearly glabrous; sepals 8-10 mm. long; corolla about 5 cm. long, white, glabrous. 



Type locality: La Junta, Guerrero, Mexico. 

 Distribution: Known only from the type locality. 

 Specimens examined. E. W. Nelson 6992, 1903 (type — N). 



t 19. IpomcBa wolcottiana Rose, in Gard. & For. 7:367. 1894. 



Nearly or quite glabrous; leaf-blades ovate, or ovate-lanceolate, 7-13 cm. long, 

 rounded or truncate at the base, acuminate; sepals 10-12 mm. long; corolla white, 

 6-7 cm. long; capsules oblong, 18 mm. long. 



Type locality: Manzanillo, Colima, Mexico. 



Distribution : Rocky hillsides western and southern Mexico. 



Illustrations: Gard. & For. 7: p. 365. 1894. 



Specimens examined: Colima; Manzanillo, Palmer 134^, 1891, 

 (type — N, G, Y). Puebla; Rose & Hay 5830, 1901 (N). Morelos, 

 Cuemavaca, Rose & Painter 6965, 1903 (N). Chiapas; E. W. Nelson 

 8509, 1895 (N). Oaxaca; E. W. Nelson 2361, 1895 (N). 



