ENCYCLOPAEDIA OF GARDENING. 
sown outdoors in April or July; cuttings in cold frames in summer; 
layering in July. Pinks and the species generally by cuttings, seeds, 
& layering. . 
BIENNIAL SPECIES: D. chinensis (Chinese or Indian Pink), various colours, 
6 to 12 in., Central Asia. e 
PERENNIAL SPECIES: D. alpinus, rose, crimson, summer, 3 to 4 in., Alps; 
srenarius, white, purple, summer, 6 in, N. Europe; atrorubens, red, summer, 
1 ft., 5. Europe; barbatus (Sweet William), various colours, 1 to 2 ft., 8. Europe; 
cesius (Cheddar Pink), rose, fragrant, July, 3 to 6 in., Britain; Caryophyllus 
(Carnation, Clove), various, 18 to 24 in., Europe; deltoides (Maiden Pink), rose and 
white, Summer, 6 to 9 in., Britain; cruentus, scarlet, summer, 18 in., E. Europe; 
glacialis (Glacier Pink), purple, summer, 4 in., S. Europe; neglectus, rose, sum- 
mer, 2 in., Pyrenees; petreeus, rose, summer, 6 in., E. Hurope; plumosus (Pink), 
Fanos 12 in., E. Europe; Superbus (Fringed Pink), rose, summer, 9 to 18 in., 
jurope. 
HYBRID PINK: D. Semperfiorens, a new race of pinks, the result of a cross 
between the Carnation and the Chinese Pink. Very free flowering, beautiful in 
colour and fragrant. 
Diapensia.—Ord. Diapensiacew. Hardy dwarf evergreen alpine 
shrub. First introduced 1801. : 
CULTURE: Soil, deep sandy peat mixed with stones. Position, ex- 
Cat on sunny rockery. Water freely June, July & Aug. Plant, 
arch or April. reepapete by division of plants in March or April. 
SPECIES OULTIVATED: D. lapponica, white, July, 3 in., Northern Regions. 
Diascia.—Ord. Scrophulariacee. Half-hardy annual. First 
introduced 1871. 
INDOOR CULTURE: Compost, two parts sandy loam & one part 
leaf-mould & sand. Sow seeds in a temp. of 60° in March or April. 
Transplant seedlings when the third leat forms, four or five in a 44 in. 
pot. Grow on shelf near the glass. Water freely when flower buds 
form. Give weak liquid manure occasionally. Shoots may require to 
be supported by twiggy sticks. : 
OUTDOOR CULTURE: Sow seeds in temp. of 60° in March or April. 
‘Transplant in pots or boxes when large enough to handle. Gradually 
harden off in cold frame, & plant out in good ordinary soil in sunny 
position at the end of May. 
SPECIES CULTIVATED: D. Barbere, rosy pink, summer, 1 ft., 8. Africa. 
Dicentra (Bleeding Heart; Lyre Flower; Dutchman’s Breeches). 
—Ord. Fumariacer. Hardy herbaceous tuberous & fibrous-rooted 
perennials. First introduced 1731. 
CULTURE: Soil, deep light rich sandy. Position, warm sheltered 
borders; dwarf species on rockeries. Plant, Oct., Nov., March, or 
April. Protect during winter by covering with layers of ashes or 
manure. Top-dress with decayed manure in March. 
POT CULTURE OF D. SPECTABILIS: Compost, equal parts loam, 
leaf-mould & sand. Pot, Oct. or Nov. Position, cold frame Oct. to 
Feb.; greenhouse Feb. to May; afterwards planting out in borders. 
Water moderately when new growth begins, freely when in full growth. 
Apply liquid manure once or twice weekly when flower buds appear. 
Forcine D. Sprrcrasitis: Pot, Oct. Place in cold frame till 
Jan. Transfer to temp. 55° to 65° in Jan. After forcing, plant out in 
open border. Plants should only be forced in pots one year. Propa- 
gate by dividing the crowns in Feb., March, or April ; cuttings of fleshy 
roots 2in. long inserted in sandy soil in temp. 55° in March or April. 
SPECIES CULTIVATED: D. canadensis (Bleeding Heart), white, May, 6 in., 
N. America; chrysantha, yellow, Aug. and Sept., 3 to'5 ft., California; Cucullaria 
(Dutchman’s Breeches), white and yellow, spring, 6 in., United States; eximia, 
reddish purple, April to Sept., 12 in., N. Carolina; formosa, red, May, 6 in., N. 
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