238 53. CONVOLVITLiCE^. 



Caps, witli the valvea separating from tlie edges of the dissepi- 

 ments or bursting transversely. — No stipules. 



* With leaves and leaflike cotyledons. 



1. Convolvulus. Cor. beUshaped, with 5 prominent plaits 

 and 5 shallow lobes. Style simple ; stigmas 3. Caps. 2 — 4- 

 ceUed ; cells 2-seeded. 



** Without leaves or cotyledons. 



2. Otjscuta. Cal. 4 — 5-oleft. Cor. roundish-urceolate or 

 beUshaped, 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. 



1. Convol'vulus Linn. Bindweed. 

 * Bracts mimite, distant from the flower. 



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

 duncles mostly 1-flowered. — E. B. 312. — St. many, angular, 

 twining or prostrate, leafy, branched. Peduncles sometimes 

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

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

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

 vni. E. S. I. 



** Bracts large, close to tlie flower. Calystegia E. Br. 



2. C. s6pium (L.) ; 1. ovate- or triangular-hastate, peduncles 

 1-flowered square. — E. B. 313. — St. twining, many feet long, 

 with large rather distant leaves. Fl. solitary, a:mlary, large, 

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

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

 Hedges and thickets. P. Vn. VHI. E. S. I. 



3. C SoldaneVla (L.) ; 1. reniform slightly angular fleshy, pe- 

 duncles 1-flowered with 4 membranous angles. — E. B. 314. — 

 St. short, procumbent. Fl. large, solitary, axillary, very hand- 

 some, pink with yellow bands. Bracts rather shorter than the 

 calyx. — Sandy sea-shores. P. VI. — VIII. Sea-side Bindweed. 



E. S. I. 



2. Cusotj'ta Linn. Dodder. 



1. C. europa/a (L.) ; clusters of fl. sessile, cor. -tube cylindrical 

 afterwards ventricose, scales adpressed to inside of tube bifid dis- 

 tant below with rounded spaces between them, cal. much shorter 

 than corolla. — E. B. 378. — St. threadshaped, branching, reddish. 

 Fl. in rather large clusters, yellowish.— Parasitical upon herba- 

 ceous plants. A. VIII. IX. Greater Dodder. E. S. 



