338 
LX VI. CONVOLVULACEiE 
Sepals broadly oblong, abruptly pointed. Corolla salver-shaped, 
J-f in. long. Ovary 2-celled. Capsule J in. diam. 
Valleys below Simla ; August, September. — Throughout India, ascending to 
4000 ft. — Tropical Asia, Africa, Australia. 
6. Ipomoea pilosa, Sweet ; FI. Br. Ind. iv. 213. Softly hairy. 
Leaves broadly ovate, 3 X4 in., cordate, sometimes 3-lobed, acute ; 
upper surface thinly hairy, lower silvery-tomentose. Flowers 
small, pink, in stalked clusters or racemes. Sepals hairy, narrowly 
lanceolate, long-pointed. Corolla funnel-shaped, J-l in. long. 
Ovary 2-celled. Capsule J in. diam. 
Valleys below Simla, Subathoo ; August- October. — Throughout India, 
ascending to 3000 ft. — Tropical Africa. 
2. CONVOLVULUS. The classical name of the Bindweed, C. 
sepium, derived from convolvo, to roll up ; referring to the twining 
habit. — Temperate and tropical regions. 
Convolvulus arvensis, Linn. ; FI. Br. Ind. iv. 219. A glabrous 
or pubescent herb ; rootstock creeping ; stems slender, prostrate, 
twining, 6-24 in. Leaves stalked, ovate or lanceolate, 1-3 X J-l 
in., entire, base sagittate ; lobes spreading, acute. Flowers purple, 
with white or pale yellow centre, solitary or 2-3 on an axillary 
stalk. Sepals ovate, obtuse. Corolla f-1 in. long ; tube very 
short ; limb spreading, 1 in. diam., obscurely 5-lobed, folding at 
the angles. Stamens unequal, attached near the bottom of the 
tube. Ovary 2-celled ; style single, branching near the top in 2 
short, linear stigmas ; ovules 2 in each cell. Capsule \ in. diam., 
opening by 4 valves ; seeds 4. 
Simla, in fields ; April-October. — Throughout India, ascending to 7000 ft. — 
A weed of cultivation in nearly all temperate and subtropical regions. — Britain, 
Eield Bindweed. 
3. EVOLVULUS. From the Latin evolvo, to unroll, in 
opposition to convolvo ; the stems and branches do not twine. — 
Nearly all warm countries, most numerous in America. 
E volvulus alsinoides, Linn. ; FI. Br. Ind. iv. 220. A softly 
hairy, perennial herb ; branches numerous, slender* 4-12 in., 
diffuse or procumbent. Leaves sessile or nearly so, lanceolate or 
ovate, in., entire, acute. Flowers small, blue or white, axillary, 
stalked, solitary or 2 or 3 together, forming terminal racemes. 
Sepals narrowly lanceolate. Corolla funnel-shaped ; tube very 
short ; limb spreading, J in. diam., obscurely 5-lobed, folding at 
the angles. Stamens attached near tte bottom of the tube. 
Ovary 2-celled ; styles 2, each branching in 2dong, linear stigmas ; 
ovules 2 in each cell. Capsule globose ; seeds 4, smooth. 
Valleys below Simla, Syree ; March-October. — Throughout India, ascend- 
ing to 6000 ft. — Nearly all tropical and subtropical regions. 
