348 CONVOLVULACEiE. (CONVOLVULUS FAMILY.) 
1. C. sepium, R. Br. (Hedge Bindweed.) Smooth; stem 
twining ; leaves arrow-shaped or somewhat halbert-form, pointed, the 
lobes at the base obliquely truncate and often toothed; peduncles 4- 
angled ; corolla white, or slightly rose-color. (Convolvulus sepiwn, 
^•) — Var. repens (Conv. repens, L.) is more or less prostrate, the 
flowers tinged with pink, growing on gravelly shores. — Moist grounds, 
common. June, July. — The common American plant climbs over 
bushes, and has larger flowers than the European (over 2 ; long), often 
tinged with rose-color. They open at dawn, or in cloudy afternoons. 
2. C* spitlianicba, Pursh. (Downy Bindweed.) Doicny ; 
stem low and mostly simple , upright or ascending , not twining; leaves 
oblong, with a more or less heart-shaped or auricled base, obtuse or 
pointed at the apex; peduncles usually longer than the leaf; corolla 
white. (Conv. stans, Michx.) —Dry copses, Maine to Wisconsin. 
Jul y• — Stems & -12' long: corolla 2 f long. 
CONVOLVULUS, L. Bindweed. Morning-Glory. 
Calyx naked. Corolla bell-shaped or funnel-form with a spread¬ 
ing nearly entire or 5-lobed border. Stamens mostly included. 
Style 1, often 2-cleft at the apex. Stigmas 2, rarely 3. —Chief¬ 
ly twining or trailing plants, often with milky juice ; the axillary 
peduncles 1 - many-flowered. (Name from convolvo , to entwine.) 
§ 1. Convolvulus proper. — Stigmas 2, linear: pod 2 -ceded, (/font 
indigenous.) 
1- C. arvensts, L. (Bindweed.) Stem procumbent or twin¬ 
ing, low, angled, rather hairy; leaves ovate-oblong, arrow-shaped, 
with the lobes at the base acute; peduncles mostly 1-flowered; bracts 
minute, remote; corolla (§* long) white or tinged with reddish. U 
le ^ s introduced from Europe, sparingly naturalized from Maine 
enn., likely to become a troublesome weed. June. 
^ 1 p 0 m & a , L. Stigmas 2, globular , or united into one : pod 1 or at 
east t te ovary , 2 -celled, and without intermediate partitions. 
C. panduratus, L. (Wild Potato-vine. Man-of-the- 
earth.) Smooth or nearly so when old, trailing or sometimes twin¬ 
ing ; leaves regularly heart-shaped, pointed, occasionally some of 
them contracted at the sides so as to be fiddle-shaped; peduncles 
onger than the petioles, 1 - 5-flowered; sepals smooth, ovate-oblong, 
coro a open-funnel-fbrm (3* long), white with purple in the tube; 
stigmas 2. \J. Sandy fields and dry banks, from Connecticut an 
V. New York southward and westward; rare at the north. 
ia g ™“ SteraS l0ng and stout ’ from a thick root which often weighs 
10-20 pounds. Flowers opening in the forenoon. 
3- C. lacundsus, Spreng. (Small-flowered Morhi* 6 
