evergreen shrub, which may be grown in any light,
vegetable mould or in peat and loam, and is easily increased by
suckers. It flowers in spring. Height, 3 ft.

Coreopsis.--Very pretty and long-flowering. They all like a light,
rich, and sandy soil. Cuttings of the stove kinds root freely under
glass. Hardy perennials may be divided at the roots. The annuals may
be sown either in the autumn or in March; they bear transplanting.
Longipes flowers in April; Grandiflora in August. Useful as cut
flowers. Height, 1-1/2 ft. to 3 ft.

Cornel.--_See_ "Cornus."

Cornflower.--_See_ "Cyanus."

Corn Salad (_Lamb's Lettuce_).--Sow in drills--the plants to stand 6
in. apart--from March till August, in well-drained sandy loam. Autumn
sowings will stand the winter and prove useful in early spring. It
must be gathered young.

Cornus Canadensis (_Canadian Cornel_).--A pretty herbaceous plant,
suitable for moist parts of rock-work. It is very hardy, likes a light
soil, and produces flowers from June to August. The roots may be
divided in autumn, or in the early part of spring. Height, 8 in.

Cornus Mas (_Cornelian Cherry_).--This hardy deciduous shrub does
well in common soil if a fair amount of moisture be given. Its yellow
flowers are produced on bare stems from February to April. It may be
increased by seeds, cuttings, or layers, autumn being the time to
propagate.

Coronilla.--The greenhouse shrubs should be grown in peat and loam.
They are raised by seeds and by cuttings. Most of the hardy perennials
need protection in winter, therefore they are best grown in pots.
These are propagated by seed or division. The annuals need no special
treatment.

Coronilla Iberica.--A pretty creeping hardy perennial suitable for
rock-work, on which its bright yellow flowers are very attractive
during June and July. It thrives best in a mixture of peat and loam,
and may be increased by seeds or division of the roots. Height, 6 in.

Correa Cardinalis.--An evergreen greenhouse shrub. Place in equal
parts of sand and loam, and propagate by cuttings, which should have
plenty of room, as they are liable to damp off. July is its flowering
season. Height, 4 ft. C. Magnifica is also a capital plant.

Cortusa Matthioli.--This ornamental hardy herbaceous plant thrives
best in a mixture of peat and loam. It is advisable to give protection
to the roots in winter. It may be increased by seeds or by division of
the roots. It makes a good pot-plant, and p