HOUSE, THE GENUS IPO MCE A 
239 
Stems densely hirsute with spreading hairs; petioles as long as the leaf-blades; 
leaf-blades ovate, cordate, acuminate or obtuse, 3-8 cm. long; peduncles 2- to 4- 
flowered; sepals 2 mm. long, obtuse; corolla 2-2.5 cm. long; capsules about 4 mm. 
high. 
Type locality: Near Acapulco, Mexico. 
Distribution: western Mexico. 
Specimens examined: Oaxaca, E. W. Nelson 318, 1894 (N, Y, G); 
Manzanillo, Palmer 1363, 1891 (G). 
123. Ipomoea filipes Benth.; Meissn. in Mart. FI. Bras. 7: 274. 1869. 
Stems pubescent or glabrate; leaf-blades orbicular-ovate, 1-3 cm. long, acute, 
entire or angled, pubescent above, glabrous beneath; peduncles filiform, 5-8 cm. 
long, 1-3-flowered; pedicels recurved in fruit; sepals 2 mm. long; corolla 10-15 mm. 
long, white. 
Type locality : About Santarem, on the Amazon River, Brazil. 
Distribution: Thickets, near the coast, western Mexico to Brazil. 
Specimens examined: Sinaloa; Palmer 1647, 1891 (N, Y). Guerrero; 
Palmer 109, 1894-5 (N, G, C). Guatemala: W. C. Shannon {John Donnell 
Smith 4026), 1892 (G). Among the South American specimens of this are 
Herbert H. Smith 1589, 1898; Fendler 2089 and Spruce 886. 
Doubtless identical with Convolvulus minutiflorus Mart. & Gal. 
124. Ipomoea turckheimii Vatke; J. Donnell Smith, Bot. Gaz. 40: 
8. 1905. 
Ipomoea concinna House, Muhlenbergia 3 • 42. pi. 2. /. c. 1907. 
Leaf-blades ovate, acuminate, cordate-hastate, 1.5-5 cm. long; petioles 2-5 mm. 
long, rarely longer; peduncles 3-5 cm. long, 3- to 7-flowered; sepals equal, outer 
ones acute, inner obtuse, corolla about 2 cm. long. 
Type locality: Coban, Guatemala. 
Distribution: Southern Mexico and Central America. 
Specimens examined: Jalisco, Barcena 553, 1887 (M). Morelos, near 
Cuernavaca, Pringle 7232, 1896 (G). Guatemala: H. von Tuerckheim 
(ex J. D. Smith, PL Guat. 386), 1886 (co-type — G). 
17. Emeticae. Slender-stemmed vines, twining, stems herbaceous from 
perennial, tuber-like, thickened roots: leaf-blades entire, cordate or cordate- 
sagittate, usually glabrous: sepals very unequal, obtuse, membranaceous; 
corollas salverform or funnelform, usually purple. 
Stamens and style exserted; corolla salverform. 
Corolla limb 5 cm. broad or more, tube 5-8 cm. long. 125. I. purga. 
