Coniferae

Coniferae or cone-bearing trees and shrubs are numerous, embracing the Pines, Larches, Firs, Cedars, Junipers, and Thuyas.

Connarus

Three species. Stove evergreen shrubs. Ripened cuttings. Peat and loam.

Conocarpus

Four species. Stove evergreen shrubs. Ripened cuttings. Loam and peat.

Conospermum

Nine species. Green-house evergreen shrubs. Cuttings. Sandy peat.

Conostylis

Three species. Green-house herbaceous perennials. Division. Sandy peat.

Conservative Walls

See Walls.

Contortion

See Deformity.

Convallaria

The Lily of the Valley. One species, and two varieties. Hardy herbaceous perennials. Division. Common soil.

Convolvulus

Fifty-one species. Chiefly twiners. The stove and greenhouse plants thrive best in loam and peat, and increase by cuttings; the hardy kinds, and green-house annuals and biennials, by seeds. Common soil.

Cookia

Cookia punctata. Stove evergreen tree. Ripened cuttings. Loam and peat.

Cooperia

Two species. Greenhouse bulbous perennials. Seeds. Sandy compost.

Coptis

Coptis trifoliata. Hardy herbaceous perennial. Division or seeds. Peat soil.

Coral Tree

Erythrina corallo-dendron.

Coraxic Poison Bulb

Bruns-vigia coronica.

Corbularia

Corbularia serotina. Hardy bulbous perennial. Offsets. Sandy loam.

Corchorus

See Sherria.

Cordia

Thirty species. Stove evergreen trees or shrubs. Cuttings. Loam and peat.

Cordyline

Two species. Stove evergreen shrubs. Suckers. Peat and loam, or any light vegetable soil.

Corema

Corema alba. Hardy evergreen shrub. Layers. Sandy peat.

Coreopsis

Twenty-three species. Chiefly hardy herbaceous perennials. Cuttings and division. Rich light soil. The annuals and biennials by seeds. Common soil.

Coreopsis

See Chrysostemona.

Corethrostylis

Corethrostylis bractea. Greenhouse shrub. Cuttings. Sandy loam and peat.

Coriandrum

Coriandrum sativum. Coriander. Hardy annual. Seeds. Common soil.

Coriaria

Two species. Hardy and green-house evergreen shrubs. The hardy species is increased by cuttings of the roots or suckers. Common soil. The green-house species by cuttings. Sand, loam, and peat.

Coris

Coris monspeliensis. Green-house biennial. Seeds. Peat and loam.

Cork Tree

Quercus suber.

Cornelian Cherry

Cornus mascula.

Corn Flag

Gladiolus bullatus.

Corn Salad

See Lamb's Lettuce.

Cornus

Thirteen species, and some varieties. Chiefly hardy deciduous shrubs and trees. Seeds or layers. Common soil. The herbaceous species thrive best in peat, and increase by division of the root.

C. florida is a common tree in the United States. It is a pleasing object when in bloom; its creamy white brac-tea enlivening the woodland when but few plants have yet expanded their flowers.

Cornutia

Cornutia pyramidata. Stove evergreen shrub. Cuttings. Loam and peat.

Coronilla

Sixteen species, and one variety. Chiefly half-hardy evergreen shrubs. The green-house species are increased by cuttings or seeds. Peat and loam. The herbaceous require protection in severe weather. Seeds or division. The hardy annuals. Seeds. Common soil. Some are hardy deciduous creepers.

Corraea

Nine species. Greenhouse evergreen shrubs. Cuttings. Sand and loam.

Corrigiola

Three species. Har-dy trailers. Seeds. Common soil.

Cortusa

Cortusa Mathiole. Hardy herbaceous perennial. Requires protection in severe weather. Division or seeds. Peat and loam.

Coryanthes

Three species. Stove epiphytes. Division. Wood.

Corycium

Two species. Half-hardy orchids. Division. Loam and peat.