Flower grower's guide . lorists Flowers. Delphiniums.— The noble spikes of the improvedPerennial Larkspurs are very fine. For names ofselect varieties see Florists Flowers. Theannual larkspurs are also very effective. SeeAnnuals. D. cardinale, scarlet; 3 feet. D. me-dicaule, scarlet; 2 feet. D. zalil (sulphureum),yellow ; 3^ feet, are best treated as biennials. Dianthus barbatus (Sweet William).—Well knownand often useful in the border. Various; 1 \ feet;biennials. For carnations and picotees (varietiesof D. caryophyllus) and pinks (D. plumarius) seeFlorists Flowers. Good dianthi will also bef
Flower grower's guide . lorists Flowers. Delphiniums.— The noble spikes of the improvedPerennial Larkspurs are very fine. For names ofselect varieties see Florists Flowers. Theannual larkspurs are also very effective. SeeAnnuals. D. cardinale, scarlet; 3 feet. D. me-dicaule, scarlet; 2 feet. D. zalil (sulphureum),yellow ; 3^ feet, are best treated as biennials. Dianthus barbatus (Sweet William).—Well knownand often useful in the border. Various; 1 \ feet;biennials. For carnations and picotees (varietiesof D. caryophyllus) and pinks (D. plumarius) seeFlorists Flowers. Good dianthi will also befound under Eock Plants. Dictamnus (Bastard Dittany, Fraxinella). — Goodplants with long spikes of flowers. D. fraxi-nella, purple. D. f. alba, white; \\ feet. , 1\ feet; purple. Seed or Any soil, but stand drought well. Seedgerminates slowly if old. Echinacea (Purple Cone-flower).—Handsome anddistinct-looking flower with cone-Uko centre andpurple rays. E. purpurea (syn. rudbeckia), 2 to. Fig. 126. CoBEOPSIS LANCEOLATA. 3 feet. Seed or division. Sun. Good about (Globe Thistle). — Distinct-looking plantswith round thistle-like heads of flowers. (Hungarian), blue; 3 to 4 feet. E. L L 2 260 THE FLOWER GROWERS GUIDE. sphaerocephalus albidus, whitish; 5 feet. soil. Seed or (French Willow).—Pretty flowers, butgenerally more suited for the wild garden thanthe border. E. angustifoliurn (narrow-leaved),crimson, and E. a. album, white; 1\ to 6 Sun or shade. Division. Runfreely. Eremurus.—Noble plants with long spikes of to grow in many gardens. E. aurantiacus,yellow ; 3 to 4 feet, is the hardiest. E. himalaicus,white ; 4 to 8 feet, and E. robustus, lilac; 8 to10 feet, are the best. Seed. Good soil. young growths from frost. Erigeron (Eleabane).—Effective flowers. E. roylei,4 to 8 inches; purple. E. speciosus, 3 feet;purple. Sun. Divisi
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