Flora Medica

CONVOLVULACEJE.Capsule orbicular, mucronate, smooth, 3-seeded. According toM. Loiseleur Deslongchamps the roots contain a purgative resin indoses of from 15 to 24 grains.CALYSTEGIA.Two opposite bracts enveloping the flower. Sepals equal.Corolla campanulate. Style 1. Stigma 2-lobed, with linear oroblong cylindrical lobes. Ovary 2-celled, with so short a dissepimentthat it is 1 -celled at the apex.819. C. sepium RBr. prodr. 483. Lindl. synops. p. 167.Convolvulus sepium Linn, sp.pl. 218. Eng. Bot. t. 313. Fl.bushes all overLond. t. 13. Common in hedges and amongEurope, the Caucasus, the banks of the river St. Lawrence inNorth America.Root long, creeping, rather fleshy. Stems long, angular, twining.Leaves smooth, stalked, sagittate, obtuse or truncate or lobed at thebase. Flowers large, solitary, usually white ;on an angular pedunclelonger than the petiole. Bracts cordate, acute, smooth, longer than thecalyx, not more than half the length of the corolla. Root purgativelike Scammony but much less active.820. C. Soldanella ffimer and Schultz syst. iv. 184. Lindl.synops. p. 167. Convolvulus Soldanella Linn. sp. plant. 226.Eng. Bot. t. 314. A common but beautiful ornament of thesea shore in most parts of Europe;also on the coast of theEuxine.Root creeping. Stems smooth, rather fleshy, procumbent, spreading,not very long, and not twining. Leaves reniform, smooth, ratherfleshy, sometimes cordate and angular. Flowers bright pink, veryfugitive, opening only in the sunshine, solitary, on an angular pedunclelonger than the petioles. Bracts ovate, shorter than the calyx. Stigmasshort, subulate. The root is purgative ; it contains according to Mr.Planche 24 per cent, of a green purgative resin.BREWERIA.Sepals equal. Corolla campanulate. Style 1, divided in two.Stigmas capitate. Ovary 2-celled, with 2 ovules in each cell.Capsule 2-celled.821. B.? scoparia Convolvulus scoparius Linn, suppl. 135.Fee cours. ii. 409. Nees and Eberm. handb. ii. 635. plant, med.196. Teneriffe about the town of Santa Cruz ; the Isleta ofthe Grand Canary and elsewhere.A shrub with the aspect of a Genista or a Spartium. Stem round,quite smooth. Branches erect, simple, with distant scattered leaves.Leaves linear, somewhat downy, erect. Peduncles solitary, remote,usually 3-flowered, seldom 1 -flowered.* Sepals silky, ovate, acute.Corolla white, hairy externally. Styles 2. Stigmas capitate.Woodperfumed, smelling strongly o'f roses, yellowish fawn colour veined with400