CONVOLVULACE.E. (CONVOLVULUS FAMILY.) 349 
Glory.) Rather smooth; stem twining and creeping, slender; leaves 
heart-shaped, pointed, entire or angled-lobed, long-petioled; pedun¬ 
cles very short, 1 - 3-flowered ; sepals oblong-lanceolate, acute, cili- 
ate or hairy, half the length of the sharply 5-lobed (white) corolla; 
stigmas united; pod hairy, 2-celled. © (Ipomoea, L. C. micran- 
thus, Riddell.) — Woods and fields, Ohio (rare) and southward. 
Aug. — Corolla long. 
4. C. Pickeringii, Torr. (Slender-leaved Morning-Glo¬ 
ry.) Stems prostrate, slender, branching, whitish-downy, very leafy; 
leaves all narrowly linear, obtuse, tapering to the base into a slight 
petiole ; peduncles filiform, about the length of the leaves, mostly 1- 
flowered ; bracts like the leaves, as long as the flower; sepals ovate, 
silky, half the length of the (small and white) bell-funnel-form corol¬ 
la ; style exserted, 2-lobed at the apex; pod by obliteration 1-celled. 
U —Sandy pine barrens of N. Jersey (and N. Carolina). July._ 
Plant with the aspect of Evolvulus, the slender stems 2°-4° long: 
leaves 1'-2'long, the lowest linear-spatulate ; the others wide. 
Lower peduncles, or branchlets, mostly 3-flowered. Border of the 
expanded corolla wide. — Entirely distinct from C. aquaticus and 
C. tenellus, combined by Choisy under the name of Stylisma evolvu- 
loides, and to which he has appended this plant as a narrow-leaved 
variety, although it does not accord with his generic character, hav¬ 
ing the styles united nearly to the top. 
§ 3. Pharb'itis, Choisy. — Stigmas mostly 3, united , capitate: pod 3- 
cclled: the cells 2 -seeded. 
5. C* purpiireilS, L. (Common Morning-Glory.) Twin¬ 
ing, hairy; leaves roundish-heart-shaped, entire, pointed ; peduncles 
elongated, 3-5-flowered; pedicels clustered, thickened; sepals ovate- 
lanceolate, acute; corolla (V-2 1 long) funnel-form with a spreading 
entire border, purple, violet, or nearly white. © — Commonly culti¬ 
vated, and becoming spontaneous about gardens and dwellings. July 
- Sept. — Flowers opening at dawn, closing early in the forenoon. 
C. (Pharbitis) Nil, L., a pale blue Morning-Glory with 3-lobed 
leaves, which is indigenous or spontaneous at the South, is sometimes 
cultivated, but not naturalized, in the Northern States. 
C. (BatAtas) Jalapa, L.j the C. macrorhizus, Ell., is also wholly 
a Southern species. 
C. BatAtas, L. (Batatas 6dulis, Choisy ), is the cultivated Sweet 
Potato. 
Q,camoclit coccinea, Menich. (Ipomoea, L.), with small scarlet or 
yellowish-tinged flowers, is beginning to be naturalized in Southern 
Ohio. 
Q,. vulgIris, Choisy (Ipomoea Quamoclit, L.), remarkable for its 
delicate pinnated leaves and slender scarlet flowers, is well known in 
cultivation as the Cypress-vine. 
30 
