44 Muhlenbergia, Volume 3 
tending petioles, umbellately 2-5-flowered: pedicels 6-1omm. 
long: sepals unequal, thin, membranaceous, lanceolate, 6-8 mm. 
long, acuminately or cuspidately pointed: corolla campanulate- 
funnelform, pink or rose-colored, 3-3.5cm. long, the limb as 
broad. 
Mexico: Manzanillo, Colima, Palmer (no. 978), 858 Tien 
sheet no. 208714 in the herbarium of the U. S. National Mu- 
seum. 
Described without name by Dr. J. N. Rose (Cont. U. S. Nat. 
Herb. 1: 344. 1895). 
~Ipomoea Wilsoni 
Related to 7. ¢¢dacea (Willd.) Choisy, but distinct from it 
by the rounded or obtuse sepals, the more slender corolla with 
relatively narrower limb and more deeply cordate, entire leaf 
blades. 
Perennial, trailing or climbing, 1- several m. long, glabrous: 
leaf blades ovate, deeply cordate, acute or acuminate, entire, 
firm textured, 6-15cm. long, the basal auricles rounded or 
slightly angled, veins prominent beneath, mostly paired; peti- 
oles shorter than the blades: peduncles about equaling the sub- 
tending petioles, stout, branching, cymosely many flowered, the 
ultimate pedicel portions 10-15mm. long: sepals unequal, the 
margins slightly scarious, the inner ones longer and broader, 
oblong, 8-10 mm. long, obtuse or rounded at the apex, the outer 
sepals smaller, more nearly orbicular, rarely acute: corolla slen- 
der funnelform, purple, 5.5-6 cm. long, the limb subentire, about 
4cm. broad. 
Honduras: Road to Rio Platano, Puerto Sierra, Percy Wil- 
son (no. 530), 1903. Type in the herbarium of the New York 
Botanical Garden. 
Ipomoea eximia 
Perennial: stems herbaceous above, twining and branching, 
50-100 cm. long or more, glabrous or with a few scattered hairs: 
leaf blades small, deltoid-reniform to triangular-ovate, 2-2.5 cm. 
