HOUSE, THE GENUS IPO MCE A 
259 
171. Ipomcea umbraticola sp. nov. 
Perennial; stems furrowed, twisted below, glabrous; leaf-blades ovate, entire 
or usually 3-lobed, cordate, 6-10 cm. long, nearly as broad, with some minute his- 
pidulous pubescence above, glabrous or nearly so beneath, middle lobe oblong, acu¬ 
minate, lateral lobes spreading, acute, subtriangular; petioles filiform, shorter than 
the blades; peduncles stout, longer than the leaves, angled, 10-15 cm. long, cymosely 
many-flowered; pedicels 1-2 cm. long; sepals glabrous, flavescent, subequal, 4.5-5 
mm. long, suborbicular, imbricated, retuse and mucronulate; corolla funnelform, 
4 cm. long; capsules ovate, obtuse, 7-8 mm. long, 2-celled; seeds glabrous. 
Costa Rica: Nicoya, Tonduz 13677 (exHerb. H. Pittier), 1900 (type — 
Y). 
172. Ipomcea violacea L. Sp. PI. 161. 1753. 
Ipomcea joliis cordatis integerrimis, floribus confertis, corallis indivisis, Sauv. 
Monsp. 114. 
Quamoclit foliis amplissimis cordiformibus, Plum. Sp. 3; Am. pi. 93. f. 1 . Sloan. 
Jam. 55. Hist. 1: 155. pl.98.f.l. 
Convolvulus indicus Mill. Diet. No. 5. 1768. 
Ipomcea tricolor Cav. Ic. PI. Rar. 3: 5. pi. 208. 1794. 
Convolvulus violaceus Spreng. Syst. 1: 399. 1825. 
Convolvulus venustus Spreng. 1. c. 
Ipomcea rubroccerulea Hook. Bot. Mag. pi. 3297. 1834. 
Pharbitis violacea Bojer, Hort. Maurit. 227. 1837.— Choisy in DC. Prodr. 9: 344. 
1845. 
Tereietra violacea Raf. FI. Tellur. 4: 124. 1838. 
Ipomcea hookeri G. Don, Gen. Syst. 4: 274. 1838. 
Pharbitis rubrocceruleus Planch. FI. des Serres 9: 281. pi. 966. 1854. 
Convolvulus rubrocceruleus D. Dietr. Syn. PI. 1: 670. 1839. 
Ipomcea puncticulata Benth. Bot. Voy. Sulph. 136. 1845.— S. Wats, in Proc. Am. 
Acad. 22: 440. 1887. 
Peduncles hollow and wand-like, longer than the petioles; leaf-blades ovate, 
cordate, often early deciduous; pedicels 2-3 cm. long; sepals 5-6 mm. long, green¬ 
ish with white, scarious margins; corolla 5-6 cm. long, violet-blue or purple with a 
white tube. 
Type locality: Habitat in America meridionali. 
Distribution: Western Mexico to Central America, Antilles and 
tropical South America. 
Specimens examined: Guanajuato, A. Duges 4, 23, 1904 (G). Oax¬ 
aca; E. W. Nelson 1811, 1894 (N, G); L. C. Smith 300, 1894 (G); Mrs. 
D. H. Sheldon, 1893 (G); Morelos; Cuernavaca, Borgeau 1405, 1865 (G). 
Costa Rica; San Jose, Tonduz 7181, 1892 (G). Jalisco; Chapala, Palmer 
702, 1886 (N, C); Puebla; Near Tehuacan, Rose & Rose 1144E 1906 
(N, Y); Yucatan; Gaumer 329 (Y). 
