286 lvih. C0NV0LVULACEJ2. [Convolvulus. 
3. Cuscuta. Calyx not inclosed within bracteas. Capsule bursting 
transversely at the base. Leaves none. 
1. Convolvulus Linn. Bindweed. 
Cal. 5-sepaled, without external bracteas. Cor. campanulate. 
Style 1. Stigmas 2, linear cylindrical. Ovary 2-celled, 4- 
ovuled. Caps. 2-celled, 2-valved. — Named from convolvo, to 
entwine ; whence comes, too, the English name bindweed. 
1. C. arvensis L. ( small B.) ; stem climbing, leaves sagittate 
their lobes acute, peduncles mostly single-flowered, bracteas 
minute distant from the flowers. E. B. t. 312. 
Corn-fields, hedges, &c., especially in a light soil. 2/.. 6, 7. — 
Flowers rather small, rose-coloured. Root running very deep into 
the ground, and difficult of extirpation. 
2. Calystegia R. Br. Calystegia. Hooded Bindweed. 
Cal. 5-sepaled, inclosed within two large opposite bracteas. 
Cor. campanulate. Style 1. Stigma 2-lobed ; lobes oblong, 
cylindrical, or flattened. Ovary sometimes 2-celled at the base, 
1 -celled towards the apex, 4-ovuled. Caps. 2-valved, 1 -celled. 
— Name: tca\og, beautiful , and crrtyn, a covering ; on account of 
the bracteas. 
1. C. sepitim Br .(great C., or H .); stem climbing, leaves 
sagittate their lobes truncate, peduncles 4-sided single-flow- 
ered, bracteas heart-shaped, stigmas short and obtuse. Con- 
volvulus L. : E.B. t. 313. 
Moist woods and hedges. If.. 6 — 8. — Flowers very large, showy, 
pure white, sometimes rose-coloured, or striped with pink. 
2. C. Soldanella Br. ( Sea-side C.) ; stem prostrate glabrous, 
leaves reniform fleshy, peduncles 4-sided single-flowered their 
angles winged, bracteas ovate, stigmas ovate obtuse wrinkled. 
Convolvulus L. : E. B. t. 314. 
Sea-shore in sandy places, frequent, y.. 6 — 8. — Rhizome long, 
creeping. Flowers few, large, rose-coloured. Ovary 1 -celled, with 
a ridge on each side in place of dissepiments. Stigmas large. 
1 3. Cuscuta Linn. Dodder. 
Cal. 4 — 5-cleft. Cor. campanulate, 4 — 5-lobed, the tube 
usually furnished with scales on the inside. Styles 2 (rarely 
united). Ovary 2-celled, 4-ovuled. Caps, bursting all round 
transversely at the base, 2-celled. — Parasitical leafless plants, 
with long tivining filiform stems. -^Derived probably from its 
Arabic name, lieshout; or from the Hebrew chuz, to bind or 
surround. 
1 . C. Europcc'a L. (greater D.) ; heads of flowers bracteated 
sessile, styles included, corolla (at first) with a cylindrical tube 
