ENCYCLOPHDIA OF GARDENING. 
Coffea (Coffee-tree)—Ord. Rubiacew. Stove evergreen shrubs. 
First introduced, 1696. Fruit, a small reddish, fleshy berry, containing 
two seeds enclosed in parchment-like shell. Bears the coftee berries of 
commerce. 
CULTURE: Compost, two parts turfy loam, one part leaf-mould & 
sand. Position, pots in moist plant stove. Pot, March. Temp., March 
to Sept. 75 to 85°; Sept. to March 60° to 70°. Water freely in summer, 
moderately other times. Propagate by seeds sown }in. deep in light 
soil in temp. 85° in March; cuttings of firm shoots inserted in sandy 
soil under bell-glass in temp. 85° in summer. 
SPECIES OULTIVATED: ©. arabica (Arabian Coffee), white, fragrant, Sept., 
10 to 15 ft., Arabia. 
Coffee Tree (Coffea arabica).—See Coffea. 
Coix (Job’s Tears). — Ord. Graminee. Half-hardy ornamental 
flowering annual erass. First introduced 1596. 
CULTURE: Soil, light, rich. Position, sunny border outdoors. Pro- 
pagate by seeds sown }in. deep in light soil in temp. 65° to 75° in 
March, Leelee! seedlings outdoors in May; or similar depth out- 
doors in April where plants are to flower. 
SPECIES CULTIVATED: O. Lachryma-Jobi, 2 to 3 ft., Trop. Asia. Grey pearly 
seeds chief attraction. 
_ Colchican Laurel (Prunus Laurocerasus colchica). — See 
runus. 
Colchicum (Autumn Crocus; Meadow Saffron).—Ord, Liliacez. 
Hardy bulbous flowering plants. 
CULTURE: Soil, light sandy loam, enriched with decayed manure 
or leaf-mould. Position, moist beds or rockeries, shrubbery borders, 
or lawns near shade of trees. Plant bulbs 3 in. deep & 3 in. apart in 
July or Aug. Foliage dies down in June & July, & does not reappear 
until after plant has flowered. Propagate by seeds sown jin. deep in 
bed of fine soil outdoors in Aug. or Sept., or in pans or boxes of similar 
soil in cold frame at same time, transplanting seedlings 3 in. apart when 
two years old; division of bulbs in Aug. Seedling bulbs do not flower 
until dowr or five years old, 
SPECIES CULTIVATED: Autumnale, purple, Sept., 8 in., Europe (Britain) ; 
byzantinum, rose and purple, Sept., 6 in., Greece; speciosum, lilac-purple, Sept., 
Caucasus; variegatum, white and purple, Sept., 6 in., 8. Europe. Also numerous 
varieties of C. autumnale. 
Coleus (Flame Nettle; Nettle Geranium).—Ord. Labiatez. Stove 
perennials. Orn, foliage & flowering. First introduced 1764. 
CULTURE: Compost, two parts turfy loam, one part well-decayed 
manure, leaf-mould, & little sand. Position, pots in stove in winter, 
greenhouse in summer. Pot, Feb. or March, pressing soil firmly in 
pots. Temp., Sept. to March 60° to 70°; March to June 75° to 85°; 
June to Sept. 65° to 75. Water very moderately Sept. to March, freely 
afterwards. Ornamental-leaved kinds require to have points of their 
‘shoots pinched off in early stage of their growth to ensure dwarf or 
good shaped plants. Propagate by seeds sown 1-16 in. deep in light 
soil in temp. 475° in Feb., March or April; cuttings of young shoots in- 
serted in light soil of cocoanut-fibre refuse at any time; grafting in 
sTSPROIES CULTIVATED: 0. Blumei (Syn. O. Verschaffeltii), white and purple, 
leaves bronze-red, Java, parent of the ornamental-leaved kinds; thrysoides 
(Winter-flowering Coleus), blue, Jan.. to April, 3 ft., Trop. Africa. 
Cole-wort.—See Brassica. 
Colletia (Anchor-plant)—Ord. Rhamnacew. Half-hardy ever- 
green shrubs. First introduced 1823. Branches armed with formid- 
able spines, 105 
