194 ANNALS NEW YORK ACADEMY OF SCIENCES 



Type locality: America meridionali. 



Distribution : West Indies, tropical South America and Africa. 



Illustrations: Mart. Fl. Bras. 7: pi. 101. f. 2. 



Specimens examined: Jamaica, Millspaugh 946, 1899. Porto Rico, 

 Sintenis 963, 1885; Heller 376, 1899; 6364, 1903; Millspaugh 146, 1899; 

 BriUon & Cowell 1392, 190Q. Guadeloupe : Z>W55 ^474, 1892. Martinique; 

 Duss 430. All in herb. N. Y. Bot. Garden. 



Urban describes the form with pale yellow flowers as Ipomosa ruber var. 

 albo-flavida (Sym. Ant. 3: 345. 1902). 



Ipomcea ruber var. palustris Urban, 1. c. is described as having 1-flowered 

 peduncles; bracts 6 mm. long, ovate; sepals prominently wing-keeled, 

 crenulate; corolla 2.5-3 cm. long and leaf -blades elongated. Both are 

 natives of Porto Rico, but the last variety is perhaps nearer the next. 



25. Ipomcea fimbriosepala Choisy, in DC. Prodr. 9: 359. 1845. — 

 Hallier f. Bull. Soc. Bot. Belg. 37: 97. 1898. 



Aniseia hastata Meissn.; Mart. Fl. Bras. 7: 319. 1869. 

 Ipomcea smithii Baker, Kew Bull. 73. 1894. 



Type locality: Madagascar. 



Distribution: Tropical Africa, Pacific Islands and America. Reported 

 from Guatemala, Brazil and Paraguay by Hallier; but no specimens from 

 North America have been seen by the writer. 



5. Heterophyllse. Trailing or twining from thickened, tuberous, 

 woody roots; more or less pubescent; leaf -blades deeply 3- to 5-lobed or 

 subentire; flowers usually solitary on short peduncles; bracts small; sepals 

 very unequal, the outer ones usually with broad, ovate bases, the inner 

 narrower, the outer ones frequently truncate or subcordate, sometimes 

 enlarged in fruit; corolla purple, funnelform: ovary 3-celled. (Phar- 

 bitis Choisy, in part.) 



Sepals merely acute, not attenuate. 



Leaf-blades deeply 3- to 5-lobed; sepals ovate, 20 mm. 



X 12 mm.; corolla 8-9 cm. long. 26. I. laeta. 



Leaf-blades hastate and subentire; sepals 10 mm. long; 



corolla less than 5 cm. long. 27. /. oreophila. 



Sepals with attenuate tips. 



Outer sepals linear-lanceolate without conspicuously 



broadened bases; corolla 6-8 cm. long. 28. /. lindheimeri. 



Outer sepals with conspicuously broadened bases. 



Appressed sericeous-pubescent; corolla 6-9 cm. long. 29. I. heterophylla. 

 Loosely pubescent with hispid, whitish pili, only the 

 leaves loosely sericeous-pubescent; corolla 3-4 cm. 

 long. 30. /. pvbescens. 



