ENCYCLOPEDIA OF GARDENING. 
Plant, Oct. to April. Propagate by seeds sown 1-16 in. deep outdoors 
in April; cuttings of side shoots in cold frame in spring; division of 
roots in Oct. or April. 
ANNUAL SPECIES: O. Acinos (Basil Thyme), purple, July, 6 in., England. 
PERENNIAL SPECIES: C. grandiflora, purple, June, 1 ft., Kurope. 
Calamus.—Ord. Palmacew. Stove palms. Evergreen. Orn. 
foliage. First introduced 1819. Ht. 5 to 15 ft. Leaves, large, finely 
divided. 
CULTURE: Compost, two parts turfy loam, one part leaf-mould & 
coarse sand. Position, well drained pots in shade. Pot firmly in 
March. Water moderately Sept. to March, freely afterwards. Temp., 
Sept. to Mar. 60° to 65°; March to Sept. 70° to 85°. Propagate by 
seeds sown 1 in. deep in light soil, in temp. 80° in March; by suckers 
rowing from roots, inserted in small pots of light soil under bell-glass 
in temp 80°. 
SPECIES OULTIVATED: O. asperrimus, Java; australis, Australia; caryo- 
tioides, Australia; ciliaris, Malaya; erectus, Himalayas; flagellum, Himalayas; 
Muelleri, Australia; oblongus, Java; oxleyanus, Malaya; Regis, New Guinea; 
rudentum, Cochin China; subangulatus, Sumatra; tenuis, India; trinervis, East 
Indies; viminalis, India. 
Calandrinia (Rock-Purslane). — Ord. Portulacer. Hardy 
annuals, biennials, & perennials. First introduced 1826. 
CULTURE: Soil, a moderately rich. Position, sunny rockery 
for dwarf species; borders for tall species. Plant perennials in April. 
Propagate annuals by seeds sown 1-16 in. deep in shallow boxes of light 
soil in temp. 55° to 60° in March, transplant seedlings into small pots 
in April, & plant out in June, or sow seeds outdoors in April, where 
plants are to flower; biennials by seeds sown in heat similar to 
annuals: perennials by seeds or division of roots in April. 
ANNUAL SPECIES: 0. compressa, rose, Aug., 6 in., Chili; procumbens, rose, 
Aug., 6 in., Peru; nitida, red, an, 6 in., Chili. 
BIENNIAL SPECIES: O. umbellata, rose, July, 6 in., Peru. 
PERENNIAL SPEOIES: O. grandiflora, rosy-red, summer, 1 ft., Chili; Menziesii, 
crimson, summer, 1 ft., California; discolor, rose, summer, 18 in., Chili. 
Calanthe.—Ord. Orchidacez. Warm greenhouse terrestrial 
orchids. Deciduous & evergreen. First introduced 1819. 
CULTURE: Compost, two parts loam, one part decayed manure, & 
leaf-mould. Position, shady or partially shady, pots with a third of 
drainage in each. Pot loosely in March. Cover drainage with layer 
of moss & allow compost to be well elevated above the rim of pot. 
Water deciduous kinds freely April to Sept., moderately Sept. to Jan.; 
keep quite dry afterwards; evergreen kinds water freely at all times. 
Temp., March to Sept. 65° to 85°; Sept. to Jan. 60° to 70°; Jan. to 
March 55° to 65°. Resting Apter winter. Flowers appear in centre 
of new growth, or at base of pseudo-bulb, when growth is nearly com- 
pleted. Propagate by division of pseudo-bulbs in March. 
SPEOIES OULTIVATED: O. curculigoides, orange, 2 ft., Oct., Malaya; Masuca, 
violet, winter, 3 ft., India; vestita, white, winter, 24 ft., India. 
HYBRIDS: Dominii, lilac-purple, 2 ft., Feb.; porphyrea, crimson, spring, 2 ft.; 
Veitchii (Syn. Limatodes rosea), rose, winter, 3 ft., and numerous other rare or 
little-grown forms 
'Calathea (Zebra Plant).—Ord. Scitamines. Stove plants. Orn. 
foliage. Leaves, green, rose, yellow, white, & olive on upper sides; 
rosy purple beneath. 
CULTURE: Compost, equal parts coarse lumps of loam, peat, leaf- 
mould, & sand. Position, well drained pots in shade. Pot, March, 
moderately firm. Water freely April to Sept., moderately afterwards. 
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