HOUSE, THE GENUS IPOMCEA 231 



Mexico: Tamaulipas; Jonmave Valley, 2000 ft. alt. E. W. Nelson 

 U^8, 1898 (type — 332519 — N, G). 



97. Ipomoea 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. Ipomoea calantha Griseb. Cat. PL Cub. 202. 1866. 



Stems woody, muricate in Unes, 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 fFn^r/j/ S05i (co-type — 

 G, N). Porto Rico: Coano, Sintenis 3128, 1886 (G). 



99. Ipomoea cyanantha Griseb. Fl. 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. lFom(Ba 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. 



