ENCYCLOPADIA OF GARDENING. 
CULTURE IN GARDENS: Soil, ordinary. Position, south border. 
Propagate by seeds sown 3 in. deep in drills 12 in. apart, March or Sept. 
FELD CULTURE: Soil, deep, well-drained loam. Rotation, follow 
wheat. Sow in Oct, in drills 18in. apart. Keep well hoed. Quantity 
of seed required per acre,101b. Harvest in Aug. Yield per acre, 10 to 
20cwt. Average price per cwt., 15s. to 18s. 
SPECIES CULTIVATED: C. sativum, white, June, 18 in., 8. Europe. 
Coris (Montpelier Coris).—Ord. Primulacee. Hardy biennial. 
First introduced 1640. 
CULTURE: Soil, sandy peat. Position, well-drained beds on sunny 
rockery. Plant, March or April. Propagate by seeds sown 1-16 in. 
a 9 in Aug. or April where plants are to grow. 
SPECIES CULTIVATED: C. monspeliensis, lilac, May, 1 ft., 8. Europe. 
Cork-barked Eim (Ulmus suberosa).—See- Ulmus. 
Cork Oak (Quercus suber).—See Quercus. 
Cornel (Cornus sanguinea).—See Cornus. 
Cornelian Cherry (Cornus mascula).—See Cornus. 
Corn Flag (Gladiolus communis).—See Gladiolus. 
Corn-flower (Centaurea cyanus).—See Centaurea. 
Cornish Elm (Ulmus campestris var. cornubiensis).—See Ulmus, 
Cornish Money-worrt (Sibthorpia europxa).—See Sibthorpia. 
Corn Marigold (Chrysanthemum segetum). — See Chrysan- 
themum. 
Corn Salad (Valerianella olitaria)—See Valerianella. 
Cornus (Bunch Berry; Dwarf Cornel; Cornelian Cherry; Cornel- 
tree; Dogwood; Dogberry ; Skewerwood),—Ord. Cornacem. “Hardy de- 
ciduous trees & shrubs & herbaceous perennials. Flowering & orn. 
foliage. Leaves, green, or variegated with white & crimson. 
CULTURE OF SHRUBBY SPECIES: Soil, sandy peat for dwarf 
species, ordinary for others. Position, rocky for dwarf kinds; open or 
shady shrubberies for tall species. Plant, Oct. to Feb. Prune, Nov. 
or Dec., simply cutting branches into shape. 
HERBACEOUS SPECIES: Soil, bog or peat. Position, moist bed 
or rockery. Plant, March. Propagate shrubby kinds by cuttings of 
firm shoots inserted in sandy soil outdoors in Nov.; layering shoots in 
Oct. ; suckers, removed from plant in Nov. & replant at once; grafting 
variegated kinds in March; seeds sown outdoors in March; ‘herbaceous 
species by division in March. 
SHRUBBY SPECIES: CO. alba, white, July, 8 to 10 ft., N. Asia; alba sibirica 
variegata, variegated; alba Spaethii, leaves bronze and gold; oapitata (Syn. 
Benthamia fragifera), white, Aug., 10 ft., N. India, hardy 8. of England only; 
florida (Flowering Dogwood), white, April, 10 to 15 ft., N. America; mas (Cornelian 
Cherry), yellow, Feb., 15 ft., Europe; mas aurea elegantissima, leaves creamy white 
and red; mas variegata, leaves edged creamy white; sanguinea (Dogwood), green, 
June, 8 ft., branches red. 
HERBACEOUS SPECIES: C. canadensis (Dwarf Cornel), purplish white, May, 
6 in., N. America. 
Corokia.—Ord. Cornacen. Half-hardy evergreen trailing shrub. 
First introduced 1835. 
CULTURE: Soil, ordinary. Position, sheltered, south or west wall. 
Plant, Oct. to April. Propagate by cuttings inserted in sand in well- 
drained ee under bell-glass; layering shoots in Oct. 
SPEOIES CULTIVATED: 0. buddleiodes, yellow, su: v ; 
Cotoneaster, yellow, 10 ft., New Zealand. * SNe ee ae Ely Mew Benieaty 
Coronilla (Crown Vetch; Scorpion Senna).—Ord. Leguminose. 
oe and hardy shrubs & hardy ncreunt ie First troduced 
110 
