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ANNALS NEW YORK ACADEMY OF SCIENCES 
A woody twiner, several m. high; leaflets 5 or 7, obovate or oblanceolate, acumi¬ 
nate at the base, the apex abruptly acuminate, subchartaceous; peduncles 4-12 cm. 
long; pedicels 15-25 mm. long; sepals rubescent, 10-12 mm. long; corolla light 
purple or rose, 5-6 cm. long, narrowly funnelform, the 5-lobed limb about 4 cm. 
broad; stamens exserted, 30-40 mm. long. 
Type locality: Porto Rico. 
Distribution : Porto Rico, Virgin Islands, Guadeloupe and Martinique. 
Common in cultivation. 
Illustrations: Bot. Mag. pi. 3315. Paxt. Bot. Mag. 3: pi. 50. 
Knowl. & Westc. FI. Cab. 1: pi. 29. Maund. Bot. 1: pi. 31. 
Specimens examined : Martinique; Duss 1882 & 3086, 1895 (Y). 
71. Ipomcea rubella House, Bot. Gaz. 43: 414. 1907. 
Ipomcea pulchella W. Hook, in Bot. Mag. 73: pi. 4305. 1847. Not I. pulchella 
Roth, 1821. 
Ipomcea macrorrhiza Griseb. FI. Br. W. Ind. 471. 1861.— Mast, in Gard. Chron. 
New Ser. 23: 566. 1885. Not I. macrorrhiza R. & S. 1819. 
Ipomcea grisebachii Urb. Sym. Ant. 3: 353. 1903. Not I. grisebachii Prain, 1894. 
Leaflets 5, or rarely 3, stalked, obovate or obovate-lanceolate, 6-12 cm. long, 
tapering to the base, the apex short-acuminate, subcoriaceous; peduncles many- 
flowered; sepals green, tinged with red on the margins and apex, oval or ovate, the 
inner obovate, 9-11 mm. long, obtuse; corolla pale rose-colored, 6-6.5 cm. long; 
capsules 10-12 mm. long. 
Type locality: Manchester, Jamaica. 
Distribution: Forests of Jamaica. 
Specimen examined: Jamaica, Marsh (G). Harris 8651, 8727 , 1904 
(Y); Britton 536, 1906 (Y); Underwood 3410, 1906 (Y). 
72. Ipomcea plumieriana House, Bot. Gaz. 43 : 413. 1907. 
Convolvulus coccineus heptaphyllus, radice crassissima, Plum. Cat. 1. 1703.— Plum. 
Am. 79. (excl. syn. Sloan. Browne and Pluk.) 
Convolvulus macrorrhizos L. Syst. ed. 10, 923. 1759.— Sp. PI. ed. 2, 223. 1762. 
Ipomcea macrorhizos Roem. & Schult. Syst. 4: 311. 1819.— Choisy in DC. Prodr. 
9: 388. 1845.— Urb. Sym. Ant. 3: 352. 1902. Not I. macrorrhiza Michx. 
1803. 
Batatas macrorrhiza G. Don, Gen. Syst. 4: 261. 1838. 
Leaflets 7- (rarely 5-, 6- or 8-) stalked, elliptical-oblong or lanceolate, 5-10 cm. 
long, acuminate at the base, apex abruptly acuminate, membranaceous or charta- 
ceous; peduncles 1-6 cm. long, several flowered, sepals suborbicular, the inner 
longest, 9-10 mm. long; corolla scarlet or purplish, 5-6 cm. long, the tube dilated- 
campanulate and slightly contracted above; capsules twice as long as the calyx. 
