ENCYCLOPEDIA OF GARDENING. 
Ceratopteris (Pod Fern).—Ord. Filices. Stove water floating 
fern. Annual. ? sy . 
CULTURE: Compost, equal parts lodm & leaf-mould. Position, in 
ots or pans submerged to rim in tank of water. Temp., Sept. to 
March 55° to 60°; March to Sept. 65° to 75°. Propagate by spores sown 
in Feb. on surface of compost in pan in water as above; pegging old 
fronds to surface of soil from which young plants will grow. 
SPEOIES CULTIVATED: ©, thalictrioides, Trop. America. . 
Ceratostigma (Lead-wort). — Ord. Plumbaginex. Hardy 
perennial of dwarf, paced habit, and with creeping roots. : 
CULTURE: Soil, sandy loam. Position, sunny rockery. Plant in 
autumn or spring. Propagate by division in eprin f 
SPECIES OULTIVATED: 0. plumbaginoides (Syn. Plumbago Larpentz), blue, 
autumn, | ft., China, , 
Cercis (Judas-tree; Red-bud). — Ord. Leguminose. Hardy. 
deciduous flowering trees. First introduced 1596. 
CULTURE: Soil, rich, deep, sandy. Position, warm sheltered 
shrubberies, or on lawns. N. of England against south wall. Plant, 
Oct. to March. Prune away old branches in Feb. Propagate by seeds 
sown 4 in. deep in light sandy soil in np 55° to 65° in March, trans- 
peed seedlings outdoors in June, or by layers of strong shoots in 
ept. or Oct. ; 
EOIES CULTIVATED: OC. canadensis (Red bud), red, May, 15 ft., N. America; 
chinensis, pink, May, 10 ft., China and Japan; Siliquastrum (Judas Tree), purple 
or rose, May, 20 to 25 ft., S. Europe. : 
Cereus (Torch Thistle; Night-flowering Cereus).—Ord. Cactacee. 
Greenhouse plants with fleshy, spiny stems, no leaves. First introduced 
1690. 
CULTURE: Compost, two parts fibry loam, one part coarse sand & 
ounded brick rubbish. Position, well-drained pots in sunny green- 
ouses or windows. Pot every three or four years, in March. Water 
once a month Sept. to April, once a week afterwards. Temp., Sept. to 
March 50° to 55°; March to Sept., 55° to 65° Propagate by seeds 
sown 4in. deep in well-drained pans of sandy soil in temp. 75° in 
March, keeping soil moderately moist; cuttings of stems inserted in 
small pots of sandy soil kept barely moist in summer; grafting on com- 
mon kind in April. 
SPEOIES CULTIVATED: C. aggregatus, scarlet, Sept., U. States; Berlandieri, 
purple, Texas; Blanckii, rose, summer, Mexico; cerulescens, white, July, Mexico; 
flagelliformis, pink, spring, S. America; *fulgidus, orange-scarlet, July; *grandi- 
florus, white, July, W. Indies; cxspitosus, rose, summer, U. States; enneacanthus, 
purple, July, Texas; Feudleri, purple, June, Mexico; giganteus, colour not known, 
California; leeanus, red, Mexico; *Lemairii, yellow and white, June, *Macdonaldis, 
white and red, July, Honduras; leptacanthus, purple lilac and white, May; Mal- 
lisonii, red, summer, hybrid; multiplex, scarlet, summer, Brazil; pauoispinus, 
red and orange, summer, New Mexico; *Napoleonis, yellow and white, autumn, 
Mexico; ‘nyctacalis, white, autumn, Mexico; pentalophus, rose Mexico; peru- 
vianus, red, August, Peru; pleiogonus, purple-red; polycanthus, blood-red, spring, 
Mexico; procumbens, rosy purple, May, Mexico; reductus, white and rose, summer, 
Mexico; repandus, white, summer, W. Indies; Royenii, rose, spring, New Grenada; 
serpentinus, purple and white, Peru; *speciosissimus, crimson, July, S. America; 
“triangularis, white, Aug., W. Indies; variabilis, green and red, July, S. America. 
Those indicated by an asterisk are night blooming. . 
Cerinthe (Honeywort; Wax-plant),—Ord. Bor: 
annuals and perennials. First introduced 1570. 
CULTURE: Soil, ordinary. Position, sunny well-drained beds or 
borders. Plant perennial species Oct, or April. Propagate annuals 
by seeds sown 1-1Gin. deep in April where plants are to flower, or in 
boxes of light sandy soil in temp. 55° to 65° in March, transplanting 
88 
aginaces, Hardy 
