HOUSE, THE GENUS IPO MCE A 
249 
Rica, Tonduz 13675, 1900 (Y). Cuba; Pringle 57, 1903 (G, Y). Britton 
& Wilson 8, 271, 1903 (Y). Britton & Shafer 578, 269, 1903 (Y). Pol¬ 
lard, Palmer & Palmer 272, 1902 (N, Y). Underwood & Earle 112, 1638, 
1903 (Y). Isle of Pines, Curtiss 249, 1903 (G, Y, N). Bahamas: Great 
Bahama, Brace 3646, 1905 (Y). Jamaica; Britton 973, 1907 (Y). Hayti; 
Nash 349, 1903 (Y); Nash & Taylor 1043, 1905 (Y). Montserrat; 
Shafer 167, 654, 1907 (Y). Dominica; Lloyd 354, 1903 (Y). Porto Rico; 
Heller 6341, 1902 (Y); Millspaugh 754, 1899 (Y). Culebra, Britton & 
Wheeler 127, 1906. 
Most of the so-called I. fastigiata, of the American tropics doubtless 
belongs here. 
148. Ipomcea jicama Brandegee, Bull. Cal. Acad. II. 2: 188. 1889. 
Type locality: Magdalena Islands, Santa Margarita Island, San 
Jorge. 
Distribution: Lower California and Islands off the coast. 
Specimens examined: Magdalena Bay, Lower Calif. Brandegee, 1889 
(N). Also fragment of type in Herb. Gray. 
19. Aequisepalse. Twining, perennial or annuals with entire or lobed 
leaf-blades and herbaceous or woody stems, glabrous or pubescent; sepals 
coriaceous, equal or nearly so, obtuse, acute or cuspidate; corolla purple, 
yellow or white. 
Leaf-blades strongly sagittate; corolla purple. 149. I. sagittata. 
Leaf-blades ovate or cordate-sagittate (in 7. polyanthes ). 
Corolla yellow. 
Corolla 2-3 cm. long; inflorescence umbellately 
many-flowered; foliage glabrate or finely pubes- 
cent. 
150. 
7. polyanthes. 
Corolla 4-5 cm. long; stems strongly hirsute. 
151. 
7. longipes. 
Corolla purple, blue or white. 
A. 
Sepals cuspidately pointed or acuminate. 
Sepals ciliate or pubescent; annuals. 
Corolla 3 cm. long, or longer. 
152. 
I. trichocarpa 
Corolla less than 3 cm. long. 
Peduncles longer than the petioles. 
Corolla narrowly funnelform, 15 mm. 
long or less, 
153. 
7. triloba. 
Corolla broadly funnelform, about 20 
mm. long. 
154. 
I. ramoni. 
Peduncles shorter than the petioles; co¬ 
rolla-tube white, limb often pink. 
155. 
I. lacunosa. 
