XVIIT. 



CONVOLVULUS SEPIUM. 

 Great Bindweed. 



Class V. Pentandkia. — Order I. Monogynia. 



Nat. Ord. Convolvulace^. 



Gen. Char. Calyx five-cleft. Corolla campanulate, 

 plaited. Stigmas two, obtuse. Capsule of one to three 

 cells with as many valves ; cells one to two seeded. 



Spec. Char. Stem climbing. Leaves sagittate, truncate 

 at the base. Peduncles four-sided, single-flowered. 

 Bracteae large, cordate, close to the flower. 



SYNONYMES. 

 'Convolvulus major. Bauh. Pin. 294. Rait Syn. 275. 



Smilax levis, major. Gcr. Em. 861. 



Convolvulus sepium. Lhi. Sp. PI. 218. 



Calystegia sepium. R. Brown. 

 French. . .. Grand Liseron. 

 Italian .... Vilucchio Maggiore. 

 Spanish . . . CorregUela. 

 German . . . Zaunwinde ; Windekraut. 

 Dutch Groote Winde. 



Description. — The root is long, slender, creeping, and fi- 

 brous. The stems are climbing, weak, angular, twisted, smooth, 

 and often extend several feet in length. The leaves are large, 

 alternate, arrow-shaped, smooth, of a light green colour, trun- 

 cate at the base, and supported on long footstalks. The flowers 

 proceed singly from the axils of the leaves, on smooth qua- 

 drangular peduncles, with two large cordate bracteee placed 

 close to each flower. The calyx is small, inferior, and divided 

 into five ovate permanent segments. The corolla is monope- 

 talous, large, campanvdate, regular, snow-white, sometimes 

 with a roseate tinge, with five plaits, and five shallow lobes. 

 The stamens have subulate filaments, half as long as the corolla, 

 and sagittate, erect, terminal anthers. The germen is ovate ; 

 the style filiform, as long as the stamens ; the stigmas two, 



