HOUSE, THE GENUS IPO MCE A 
247 
Type locality: Near Zucuapan, Vera Cruz, Mexico. Not known by 
any recent collections. 
142. Ipomcea wilsoni House, Muhlenbergia 3: 44. pi. 1. /. c. 1907. 
Leaf-blades ovate, deeply cordate, acute, thick, basal lobes slightly angled; 
peduncles stout, as long as the petioles, cymosely many-flowered; inner sepals 
oblong, 8-10 mm. long, obtuse, outer ones suborbicular, smaller; corolla slender- 
funnelform, purple, 5.5-6 cm. long, limb about 4 cm. broad. 
Type locality: Near Puerto Sierra, Honduras. 
Distribution: Known only from the type locality. 
Specimens examined: Percy Wilson 530, 1903 (type — Y). 
143. Ipomcea anisomeres Robinson & Bartlett, Proc. Am. Acad. 43: 
57. 1907. 
Perennial, glabrous; leaf-blades ovate, cordate, acute, 6-11 cm. long, paler 
beneath; petioles 3-5 cm. long; peduncles 3.5-6 cm. long, cymosely many-flowered; 
sepals glabrous, white-margined, outer ones 1-3 mm. long and suborbicular, inner 
about 10 mm. long; corolla 6.5-7 cm. long, white with a purple throat, limb 4-5 cm. 
broad; capsules ovoid, 10-12 mm. long. 
Type locality: Gualan, Guatemala. 
Distribution: Southern Mexico to Central America. 
Specimens examined: Puebla; Near Metlaltoyuca, Goldman 67, 1898 
(N). Guatemala: Gualan, Deam 318, 319, 1905 (type — G). 
144. Ipomoea oligantha Choisy in DC. Prodr. 9: 380. 1845. 
Convolvulus pulchellus H. B. K. Nov. Gen. & Sp. 3: 101. 1819. 
Convolvulus pauciflorus Willd.; Roem. & Schult. Syst. 4: 302. 1819. 
Ipomoea pulchella G. Don, Gen. Syst. 4: 276. 1838. Not. I. pulchella Roth, 1821. 
Slender, twining, glabrous, perennial below; stems angled, puberulent; leaf- 
blades triangular-ovate, caudate-acuminate, cuspidate, deeply cordate, 5-10 cm. 
long, basal auricles laterally acute; petioles as long as blades, glandular-muricate 
at base; peduncles pubescent at base, 3- to 5-flowered; pedicels 1-2 cm. long; sepals 
subequal, ovate, acute or subobtuse, 5-6 mm. long; corolla about 2 cm. long, limb 
purple. 
Type locality: Crescit in Regno Pereuviano. 
Distribution : Southern Mexico to Bolivia and Brazil. 
Specimens examined: Mexico: Oaxaca, E. W. Nelson 1148, 1894 
(N, G). 
