CONVOLVULACEAE 1083 
panulate. Capsule globose, large, often operculate or irregularly et 
sometimes valvate.—About 10 species, natives of tropical America and t 
East Indies. 
Corolla yellow : sepals becoming 4-5 cm. long. 1. O. tuberosa, 
Corolla white, purple throat: sepals Become 1. 5-2 € em. long. 2. O. dissecta 
1. O. tuberosa (L.) Meisn. Leaf- o 5—1-lobed; pu e Janeeolate, 
acuminate, 4—6 em. long: corolla 3.5-4 . long; lim nb 5 vide: cap 
3—4 cm. in diameter rs 0 x 15 nu. 
er velv m (YELLOW MORNING-GLORY.) - 
Pin d E and waste-plaees, Coas- 1 
tal Pal , Fla. a. and Tex. o of the Trop- 
ics, and "eultivated.—(W. I .) 
. O. dissecta (Jaeq.) House. Leaf-blades 
5-7-parted; segments oval to oblong or 
lanceolate, 3-10 em e eoarsely toothed: 
olla 2-3 em. long; mb 3-5 em. broa 
eapsule about 1.5 d diameter: Boedo 
glabrous. [Ipomoea deaa Jacq. I. sinuata 
Ort. o E tal Plain, Fla. to 
Tex., and Ga.—(W. I.) 
5. PHARBITIS Choisy. Annual 
(ours), or perennial, climbing or trailing vines. Leaf- a entire, lobed, 
angled. Calyx-lobes equal or unequal, herbaceous, each with a pubescent ee 
and a narrow tip. Corolla white, blue, pink, or purple, ee Ovary 
3—5-eelled. Seeds smooth.—About 200 species, widely distributed cm fall. 
—MORNING-GLORIE 
Calyx bristly pubescent, especially near the base. | 
Tips of sepals merely acute or acuminate. 1. P. purpurea. 
Tips of sepals conspicuously elongate. 
Leaf- Mai e Urea ea silky-pubescent and ciliate, 
2. P. barbigera. 
ofte 
Leaf- blades ni esuitespabescent, lobed or angled. 
Bases of sepals E pom lobes of blades 
contracted below: coroll . 8. P. hederacea. 
Sepals Ree ee not conspicuously broadened at 
lades 3-lobed but the lobes rarely con- 
Bd below: corolla 4-6 cm. 4. P. Nil. 
tly. 5. P. cathartica. 
Calyx PE or nearly so, not brist 
d. B. E pi (L.) Voigt. Stem twining: leaf-blades ovate to orbicular- 
ovate, 6—18 em. long, short- acuminate, cordate: calyx-lobes, 10—15 mm. long: 
corolla 5-7 long; purple or some- _ 
times pink, blue, white, or variegated, 4 
cm. broad.—(COMMON ML )— 
Waste-places, various provinces, to 
Tex., Nebr., Ont., and N. S. Nat. of. trop. 
Am., and cult. 14 
- P. barbigera (Sims) G. Don m 
wining, several m. long: leaf- blades o rbicu- 
pigs ate, 5-12 em. long: peduncles shorter 
than the ME sepals 1.5-3 cm. long: 
corolla 3- z ae . long; limb purple or partly 
so, 3—4 "hoa Mor dn. )— 
Thickets an Ed eult. Ed Coastal Plain 
and adj. provinees, Fla. to La. and Ga. 
