Corydalis

Twenty-four species. Hardy annuals, biennials, or tuberous-rooted perennials. The latter increase by division. Peat and loam. The annuals by seeds. Common soil.

Corylus

Nut Tree. Seven species, and many varieties. Hardy deciduous shrubs. Suckers or layers. Common soil. See Filbert.

Corynocarpus

Corynocarpus laexigatus. Greenhouse evergreen tree. Layers. Rich mould.

Corypha

Eight species. Palms. A strong moist heat, and sandy loam.

Coscenium

Coscenium fenestration. Stove evergreen climber. Division. Loam and peat.

Cosmea

Seven species. Greenhouse or hardy annuals. Seeds. Common soil.

Cosmelia

Cosmelia rubra. Green-house evergreen shrub. Cuttings. Sandy peat.

Cosmus

Three species. Hardy and green-house tuberous-rooted perennials. Division. Common soil. C. tenuifolius is a hardy annual, increased from seeds.

Cossignia

Cossignia borbonica. Stove evergreen shrub. Cuttings. Peat and loam.

Costmary

See Balsamita.

Costus

Twelve species. Stove herbaceous perennials. Division or seed. Peat and loam.

Cotoneaster

Ten species, and some varieties. Hardy deciduous shrubs. Layers. Common soil.

Cotyledon

Thirty-six species. Green-house evergreen shrubs: a few herbaceous perennials. Cuttings dried in the sun. Sandy loam.

Coulteria

Two species. Stove evergreen shrubs. Seeds. Peat and loam.

Courgourde

Lagenaria vulgaris.

Coutarea

Coutarea speciosa. Stove evergreen shrub. Cuttings. Sandy peat.

Cowania

Cowania plicata. Hardy evergreen shrub. Division. Sandy peat.

Cowberry

Vaccinium Vitis ldeae.

Cowdie Pine

Dammara australis.

Cowslip

(Primula veris.) There are several varieties, varying in colour from almost white to a very deep yellow; some are single, but others are double, in the form that florists distinguish as hose-in-hose, the calyx in these being converted into corolla. Some specimens will produce one hundred pips upon a single truss, and they have been known to yield even more than one hundred and fifty.

The cultivation is the same as that of the Polyanthus.

Crambe

Three species. Hardy tuberous-rooted perennial. Division or seed. Rich soil. See Sea-kale.

Cranberry

Oxycoccus palustris.

Crane's Bill

Geranium.

Crassula

Fifty-nine species and a few varieties. Hardy evergreen annual or biennial shrubs. Cuttings laid for a few days in the sun. Sandy loam and brick rubbish.

Crataeva

Four species. Stove evergreen trees. Cuttings. Rich strong soil.

Creepers Or Trailers

Creepers Or Trailers are plants which by having numerous stems and branches resting upon and spreading over the soil's surface, are useful for concealing what would be unpleasing to the eye.

Crescentia

Three species. Stove evergreen trees. Ripened cuttings. Loam and peat.

Cress

(Lepidium sativum).

"The Garden Cress, or Pepper Grass is a hardy annual plant; its native country is unknown. It is cultivated in gardens for the young leaves which are used in salads, and have a peculiarly warm and grateful relish.

"The varieties are the plain leaved, curled leaved, and broad leaved. The method of cultivation is the same as is used for the parsley. To have a constant supply in perfection, very frequent sowings should be made; during hot, dry weather, it should be sown in the shade of trees, or protected by brush, etc.,from the direct rays of the sun." - Rural Register.