Cecidomyia

C. nigra. Black Gall Midge. This insect lays its eggs in the blossom of the pear early in the spring, and the larva; thence born consume the pulp of the embryo fruit. Sometimes they eat their way through its skin, and at others remain within its core until it falls.

Cecropia

Three species. Stove evergreen trees. Cuttings. Loam and peat.

Cedar Of Goa

Cupressus lusi-tanica.

Cedar Of Lebanon

Cedrus Li-bani.

Cedrela

Three species. Stove evergreen trees. Cuttings. Light loam.

Cedrus

Cedar. Two species. Hardy evergreen trees. Seeds. C. deodara, grafts readily on the common larch. Sandy loam.

Celastrus

Twenty-seven species. Chiefly green-house or stove evergreen shrubs, trees, or climbing plants. C. bullatus and C. scandens, are hardy deciduous climbers. Ripe cuttings. Sandy loam' and peat.

Cklosia

Cockscomb. Fourteen species and some varieties. Chiefly stove or green-house annuals. C. echi-nata, C. glauca are evergreen shrubs. Seeds. Rich mould. See Cockscomb.

Celsia

Nine species. Chiefly half hardy biennials, some stove annuals. C.orientalis is a hardy annual. Seeds. Peat and loam.

Celtis

Eleven species and two varieties. Stove evergreen trees or hardy deciduous trees and shrubs. Seeds or layers. Common soil.

Centaurea

One hundred and fifty-two species and some varieties. Chiefly hardy and half hardy herbaceous perennials; a few annuals and biennials. C. ragusina is a green-house evergreen shrub. Seeds. Division. Common soil.

Centranthus

Three species, and variety. Hardy annual and herbaceous perennials. Seeds. Common soil.

Centrocarpha

Nine species. Chiefly hardy herbaceous perennials.

Two are biennial. Seeds. Division. Common soil.

Centroclinium

Two species, one a stove annual, the other an evergreen shrub. Seeds. Light vegetable soil.

Centrospermum

Centrospermum chrysanthum. Hardy annual. Seeds. Common soil.

Centaury

Centaurea.

Centunculus

Centunculus minimus. Bastard pimpernel. Hardy annual. Seeds. Sandy loam.

Cephaelis

Eight species. Stove evergreen shrubs, two are trailing plants. Cuttings. Peat and sandy loam.

Cephalanthera

Three species. Hardy orchids. Division. Peat and loam.

Cephalanthus

Cephalanthus occidentalis and variety. Hardy deciduous shrubs. Ripe cuttings or layers. Sandy peat and loam.

Cephalotus

Cephalotus follicularis. Greenhouse herbaceous perennial. Offsets. Boggy soil.

Ceranthera

Ceranthera subintegrifolia. Stove evergreen shrub. Cuttings. Sandy loam.

Cerasus

Twenty-eight species and many varieties; chiefly hardy deciduous fruit trees and shrubs, a few evergreens. C. ]occidentalis, and C. sphaerocarpa, are stove evergreens. Seeds. Budding or grafting.

Ceratiola

Ceratiola ericoides. Half hardy green-house evergreen under shrub. Cuttings. Sandy peat.

Ceratopetalum

Ceratopetalum gummiferum. Green-house evergreen tree. Cuttings. Sandy loam.

Cerera

Six species. Stove evergreen trees or shrubs. Cuttings. Rich mould.

Cercis

Two species and varieties. Hardy deciduous trees. Seeds. Light loamy soil.