410 BOTANICAL GAZETTE [JUNE 
leaf-blades broadly ovate or reniform-ovate, shallow cordate, acute, 
mucronate, 7-12°™ long and nearly as broad, green and minutely 
but densely pubescent above, velvety-canescent beneath; petioles 3- 
4°™ long: peduncles several-flowered; pedicels 4-8™™ long: sepals 
broadly ovate, rounded, minutely tomentose without, about 7™™ long, 
equal: corolla white or pinkish, 6—7°™ long, the tube bales slender, 
tomentose without on the plicae of the limb. 
Type locality: Rio de las Lajas, Dept. Rivas, Nicaragua, alt. 1207. W. C. 
Shannon 5046, April 1893. Herbarium sheet no. 246468 of the duplicate in 
the U. S. National Museum 
Ipomoea cuernavacensis, sp. nov.—§ ORTHIPOMOEA; Arborescentes. 
—Closely related to I. arborescens (Willd.) G. Don, and resembling 
it in habit and characters of all parts excepting the leaves; leaf- 
blades oblong, rounded at base, not cordate, long-acuminate, 10-15°™ 
long, 5-6.5°™ broad. - 
vMexico: In fields near Cuernavaca, state of Morelos, Rose and Painter 
6963, Sept. 10, 1903. 
Ipomoea ale sp. nov. (fig. 1).—§ ORTHIPOMOEA; Arborescentes. 
—An irregular tree, 6-7™ tall, glabrous 
or nearly so: bark of branches and 
ends of the twigs; blades small, 2.3°™ 
long, ovate-lanceolate, attenuate to a 
blunt, mucronulate apex, the base 
below the middle, glabrous above, 
puberulent on the veins beneath; 
petioles shorter than the blades, 
1-2°™ long: peduncles 1-flowered, the 
pedicel portion subsessile, about 2°™ 
— Cadre long, slightly thickened upward: sepals 
coriaceous, minutely puberulent, subequal, broadly oblong, rounded, 
8-10™™ long: corolla campanulate-funnelform, white, 4.5-5°™ long; 
limb spreading, about 4°™ broad, with five short rounded lobes; 
tube about 1°™ in diameter. 
Mexico: State of Guerrero, La Junta, E. W. Nelson 6992, April 5, 19°33 
type in U. S. Nat. Herb. 
twigs whitish: leaves clustered near the | 
obtuse or rounded, 8-12™™ broad _ 
