234 
ANNALS NEW YORK ACADEMY OF SCIENCES 
104. Ipomcea costellata Torr. Bot. Mex. Bound. 149. 1859.— A. Gray, 
Syn. FI. N. Am. 2 1 : 214. 1878. 
Type locality: Mouth of the Pecos River, western Texas. 
Distribution: Arid regions of western Texas, New Mexico, Arizona 
south to the Valley of Mexico. 
Specimens examined: Texas; Wright 505 (type — G, C, N); Havard 
47, 1883; Hayes, 1858; Neatly 624 , 1889; Cones & Palmer 29, 1865 (G). 
New Mexico; Fendler 665, 1847 (G); Wright 1615 (G, C); Earle 331, 1900 
(Y); Rushy 299, 1881 (C); Metcalfe 766, 1903 (Y); Parry 997 (C); Mul- 
ford 1111, 1895 (Y). Arizona; Lemmon 44 2, 1881 (N, Y); Wilcox 351, 
1894 (N); Griffiths 5976, 1903 (N); Tourney, 1894- (Y); Pringle, 1884 (C); 
Rothrock 623a, 631, 520, 679, 1874; Thurber 1057, 1851 (G). 
Lower California, Brandegee, 1893; Durango, Palmer 649, 1896 (N, Y, 
G); Coahuila; Palmer 2095, 1880 (N, G); Sonora; C. E. Lloyd 430, 1894 
(G); Chihuahua; Townsend & Barber 383, 1899 (N, Y, G); Palmer 104, 
1885 (N, C). Valley of Mexico, Borgeau 726, 1865-66 (G). 
105. Ipomosa painteri House, Muhlenbergia 3 : 41. pi. 3. /. 1 . 1907. 
Resembling I. costellata; stems finely hirsute; sepals broadly lanceolate, the 
outer ones 5 mm. long, the inner 6-8 mm. long; each plicae of the limb ending in 2, 
minute, black cusps at the margin. 
Type locality: Guadeloupe, Federal Dist., Mexico. 
Distribution: Stony hillsides, central Mexico. 
Specimens examined: Rose & Painter 6826, 1903 (type — N); Quere- 
taro; Hacienda Ciervo, San Juan del Rio, Rose, Painter & Rose 9632, 1905 
(N, Y). 
106. Ipomcea wrightii A. Gray, Syn, FI. N. Am. 2: 213. 1878. 
Type locality: Western Texas. 
Distribution: Western Texas. 
Specimens examined: Wright (type — G). Apparently closely related 
to, if not identical with I. pulchella. 
107. Ipomcea delphinifolia Mart. & Gal. Bull. Acad. Brux. XII. 2: 
265. 1845.—Walp. Rep. 6: 535. 1847. 
Closely related to I. leptotoma, but described as having pubescent and pilose- 
ciliate leaf-blades; sepals about 6 mm. long, and corolla 4-5 cm. long, purple. 
Type locality: Tehuacan, Puebla, Mexico. Not known by any recent 
collections. 
