ENCYCLOPHDIA OF GARDENING. 
drained border. Plant, Oct. to Feb. Prune, June, shortening shoots 
that have flowered only. 
POT CULTURE OF D. GRACILIS: Compost, two parts loam, one 
-part decayed manure & sand. Pot, Oct. or Nov. Position, cold 
frame Nov. to Feb.; greenhouse Feb. to May; outdoors afterwards. 
Water very little Oct. to Feb., moderately Feb. to April, freely April 
-to Oct. -Temp., Feb. to May 55° to 65°. Plants will flower in cold 
greenhouse without heat if desired. Plant out deutzias that have 
flowered in heat in open garden for a year, then lift & repot, to flower 
again. Propagate by cuttings of young shoots, 3in. long, inserted in 
sandy soil under bell-glass in cold frame in June or July, also of firm 
shoots, 10 to 12in. long, inserted in ordinary soil outdoors in Nov., 
Dec., or Jan. 
SPECIES CULTIVATED: D. crenata, white, June, 6 ft., Japan; crenata flore- 
pleno extus purpurea, white and roso; gracilis, white, April, 2 ft., Japan; 
gracilis folius aureis, leaves variegated with yellow; Lemoinei, white, May, 2 ft., 
hybrid; scabra, white, June, 6 ft., Japan. : 
Devil-in-a-Bush (Nigella lec praetor .—See Nigella. 
Devonshire Myrtle (Myrica Gale).—See Myrica. 
Devonshire Oak (Quercus Cerris var. Lucombeana). — See 
Quercus. 
Dew Berry (Ribes cxsius).—See Ribes. 
Dianella (Flax Lily; Paroo Lily).—Ord. Liliacew. Half-hardy 
fibrous-rooted perennials. Orn. foliage & fruiting plants. First in- 
troduced 1731. 
OUTDOOR CULTURE: Compost, equal parts loam & peat. Posi- 
pom sheltered borders; 8. of England only. Plant, Oct., March, or 
ril. 
GREENHOUSE CULTURE: Compost, equal parts peat, loam, leaf- 
mould, & sand. Position, well-drained pots in unheated greenhouse. 
Pot, Feb., March, or April. Water moderately Sept. to March, freely 
afterwards. Propagate by seeds sown 1-16in. deep in light soil in 
temp. 55° to 65° in spring; division of fibrous roots Oct. or March. 
SPECIES OULTIVATED: D. coerulea, blue, May, 2 ft., Australia; Imvis, blue, 
spring, 2 ft., Australia. 
Dianthus (Carnation; Pink; Picotee; Sweet William; Tree, 
Perpetual, American Carnation; Malmaison Carnation; Indian and 
Chinese Pink).—Ord. Caryophyllacew. Hardy perennials and biennials. 
TYPES.—Florists’ Carnation: Flowers perfectly round. Bizarres: 
Ground colour one shade, marked or striped with another colour. 
Flakes: Ground colour of one shade, flaked with other colours. Selfs: 
One shade of colour only. Picotee: Ground colour of one tint, edged 
or margined with another. Border Carnation: Self-coloured, striped 
or flaked, laced or fringed, free flowering, some clove-scented, & robust 
growers. Margaret or Marguerite Carnation: A race of hybrid carna- 
tions with fringed, fragrant flowers of all shades of colour. Jacks: A 
race of coarse-growing, mostly single-flowered kinds, grown largely for 
sale by costers. Pinks: Show or Laced, petals finely-fringed, broad 
-ends white with a velvet eye, or a velvet eye with laced velvet edges, & 
a white centre. Sweet Williams: Show type, smooth edged petals 
with dark centres; Auricula-eyed, smooth-edged petals, white eye, sur- 
rounded with crimson or other tints. Tree, Perpetual, or American 
Carnation: Habit, tall; flowers, self, striped or flaked, appearing all 
the year round. Malmaison: Habit, sturdy; flowers large, self- 
coloured. 
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