54. CONVOLVULACEyE. 
215 
1 . Po E E M () N I u M Li nn . 
1. P. caruleum (L.); st. angular, 1. glabrous pinnate, leaflets 
ovate-lanceolate ]>ointe(l, j)aniele downy glandular. — E. P. 14. 
— St. 1 — 2 feet high, simple, hollow. L. altcmate, leaflets nu- 
merous. FI. numerous, somewhat drooping, bright blue or white. 
— Hushy hilly places, rare. P. VII. Blue Jacob’s Ladder. 
Order LIV. CC)NVOLVULACE*d^. 
Cal. inferior, 5-parted, persistent, imbricated, often unequal. 
Cor. hypogynous, regular, j)laited, deciduous. Stam. 5, from 
near the base of the corolla. Ovary of 2 — 4 cells, few-seeded, 
surrounded by an annular hyj)ogynous disk. Style 1, rarely 2. 
Caps, with the valves sei^arating from the edges of the dissepi- 
ments or biu’sting transversely. 
* IVith leaves and cotyledons. 
1. CoNVOLVULU.s. Cor. hellshaped, with 5 prominent plaits 
and 5 shallow lobes. Style simple, stigmas 2. Caps. 2 — 4- 
celled, cells 2-sceded. — G. F. G. Gam. i. 63, 64. 
** Without leaves or cotyledons. 
2. CuscuTA. Cal. 4 — 5-cleft. Cor. roundish-urceolate or 
hellshaped, 4 — 5-parted, with as many scales alternating 
with the segments at the base within. Stam. 4 — 5. Styles 
2, rarely 1. Caps, bursting transversely, 2-celled, 4-seeded. 
— G. Fk G. Gam. i. 65. 
1. Convolvulus 
1. C. arvensis {L.) ; 1. arrowshaped w ith acute lobes, peduncles 
mostly 1-flow'ered, bracts minute distant from the flower. — E. B. 
312. — St. numerous, angular, twining or prostrate, leafy, branch- 
ed. Peduncles sometimes 2-flowered. Cor. beautifully variegated 
with pink and white. Roots descending remarkably deep. Plant 
glabrous or (/3. hirtus Koch) st. and 1. dowmy. — Fields and hedges. 
P. VI. — VIII. Small Bindweed. 
2. C. Sepium (L.); 1. arrowshaped with truncate lobes, pe- 
duncles 1 -flowered square, bracts large cordate close to the flower. 
— E. B. 313. Calystegia 11. Br. — St. twining, many feet long, 
with large rather distant leaves. FT. solitan.', axillary, large, 
white, ritrely pink. Bracts quite inclosing the calyx. FV. im- 
perfectly 2-celled through the shortness of the dissepiment. — 
Hedges and thickets. P. VII. VIII. Great Bindweed. 
3. C. Soldanella (L.); 1. reniform shghtly angular fleshy, pe- 
duncles 1 -flow'ered with 4 membranous angles, bracts ovate close 
to the flower. — E. B. 314. Calystegia R. Br. — St. short, pro- 
