244 53. CONTOLVULACE^. 



ovate-lanceolate pointed, panicle downy glandular. — E. 5 14. 

 — St. 1 — 2 feet nigh, simple, hollow. L. alternate, leaflets 

 many. Fl. many, somewhat drooping, bright blue or white. — 

 Bushy hilly places, rare. P. VII. E. S. 



Order LIII. CONVOLVULACE^. 



Cal. inferior, of 6 persistent imbricate often unequal sepals. 

 Oor. hypogynous, regular, plaited, deciduous. Stam. 4 — 5, from 

 near the base of the ooroUa. Ovary of 2 — 4 ceUs, few-sfeeded, 

 surrounded hj an angular hypogynous disk. Style 1, rarely 2. 

 Gaps, with the valves separating from the edges of the dissepi- 

 ments or bursting transversely. — No stipules. 



* With leaves and leaflike cotyledons. 



1. Convolvulus. Oor. bellshaped, with 6 prominent plaits 

 and 5 shallow lobes. Style simple ; stigmas 2. Caps. 2 — 4- 

 celled ; cells 2-seeded. 



** Without leaves or cotyledons. 



2. OuscuxA. Gal. 4 — 5-cleft. Cor. roundish-urceolate or 

 bellshaped, 4 — 5-parted, with as many scales alternating 

 with the segments at the base within. Stam. 4 — 5. Styles 

 2, rarely 1. Gaps, bursting tranvsersely, 2-celled, 4-seeded. 



1. CojsrvoL'vTTLTTS LinM. Bindweed. 



* Bracts minute, distant from the flower. 



• 1. C. arven'sis (L.) ; 1. ovate- or strapshaped-hastate, pe- 

 duncles mostly 1-flowered. — H, S. 312. — St. many, angular, 

 twining or prostrate, leafy, branched. Peduncles sometimes 

 2-flowered. Cor. beautifully variegated with pink and white. 

 Gaps. 2-celled. Roots descending remarkably deep. Plant 

 glabrous, or st. and 1. downy. — Fields and hedges. P. VI. — 

 VIII. E. S. I. 



** Bracts large, close to the flower. Calystbgia R. Br. 



2. C. sSpium (L.) ; 1. ovate- or triangular-hastate, peduncles 

 1-flowered square. — E. B. 813. — St. twining, many feet long, 

 with large rather distant leaves. Fl. solitary, axillary, large, 

 white, rarely pink. Bracts quite enclosing the calyx. Fr. im- 

 perfectly 2-celled through the shortness of the dissepiment. — 

 jaedges and thickets. P. VII. VIU. E. S. I. 



