HOUSE, THE GENUS IPOMCEA 
231 
Mexico: Tamaulipas; Jonmave Valley, 2000 ft. alt. E. W. Nelson 
4448, 1898 (type — 332519 — N, G). 
97. Ipomcea nicoyana sp. nov. 
A high-twining, woody, perennial vine with terete stems; finely pubescent; leaf- 
blades oblong-ovate, shallowly-cordate or cordate-sagittate, acuminate, 10-20 cm. 
long, finely pubescent, roughly so above, reticulate-veined beneath; petioles shorter 
than the blades; peduncles shorter than the petioles, 3-several flowered; sepals 
equal, lanceolate, abruptly acute, 12 mm. long, pubescent or glabrate, chartaceous 
in fruit; pedicels 10-15 mm. long; corolla campanulate above the strongly ventri- 
cose base, 5-6 cm. long, purple, the white tube 15-18 mm. in diameter; capsules 
ovoid, apiculate, thick-walled, 15 mm. high, 2-celled; seeds densely lanate. 
Costa Rica: Forests near Nicoya, Tonduz 13671, 1900 (type — Y). 
98. Ipomcea calantha Griseb. Cat. PI. Cub. 202. 1866. 
Stems woody, muricate in lines, glabrescent below; leaf-blades orbicular-ovate 
to oblong-ovate, cordate, acute, entire, glabrous above, pubescent beneath, 5-8 cm. 
long; petioles as long; peduncles 1- to 5-flowered; sepals equal, ovate, obtuse, 10-13 
mm. long; corolla rose-colored or nearly white, 8-10 cm. long, ventricose at the base; 
capsules 12 mm. in diameter. 
Type locality: Cuba. 
Distribution: Cuba and Porto Rico. 
Specimens examined : Cuba; Bahia Honda, C. Wright3091 (co-type — 
G, N). Porto Rico: Coano, Sintenis 3128, 1886 (G). 
99. Ipomcea cyanantha Griseb. FI. Br. W. Ind. 469. 1861. 
Type locality: Mountains of St. Andrews, Manchester, Jamaica. 
Distribution: Forests, mountains of Jamaica. 
Specimens examined: Road to Flamstead, 1200 ft alt. Harris 9034, 
1905 (Y). Sheldon, Blue mountains, 2500 ft. alt. Fawcett (ex herb. Bot. 
Dept. Jam.) 10078, 1907 (Y). 
100. Ipomcea obtusata Griseb. Cat. PI. Cub. 202. 1866. 
A slender, herbaceous glabrous vine; leaf-blades ovate-oblong or deltoid- 
ovate, cordate, obtuse or acute, margins repand or irregularly lobed, often 3-lobed 
with 2-4 lateral acuminations, 2-6 cm. long; short petioled; peduncles longer than 
the petioles, 2-5-flowered; pedicels about 1 cm. long; sepals ovate, rounded, sub¬ 
equal, 6-8 mm. long; corolla purple, campanulate above the ventricose base, limb 
3 cm. broad with 5, short, rounded lobes; capsules globose. 
