ENCYCLOPHDIA OF GARDENING. 
bulbs singly in 5-in. pots, with points just below surface. Cover with 
ashes in cold frame or greenhouse till growth begins. Water mode- 
rately from time growth begins till flowers fade; keep quite dry after 
foliage has died down until potting time. Repot annually. Propa- 
ate by seeds sown }in. deep in well-drained pots of sandy soil in cold 
frame or gréenhouse, March or April; offsets treated as bulbs at pot- 
ting time. 
_SPECIES CULTIVATED: G. afra, red and white, summer, 6 ft., S. Africa; 
ciliaris, white, summer, 6 in., 8. Africa; spiralis, white, autumn, 9 ft., 8. Africa. 
Geum (Avens).—Ord. Rosacew. Hardy perennial flowering herbs. 
CULTURE: Soil, ordinary rich. Position, tall species in sunny bor- 
ders, dwarf species on sunny rockeries. Plant, Oct. to April. Cut 
down flower stems in Sept. “Propagate by seeds sown 1-16 in. deep in 
shallow boxes or well-drained pots of light soil in cold frame, April or 
July, or in sunny positions (similar depth & soil) outdoors, April or 
Aug.; division of plants, Oct. to April. 
SPECIES OULTIVATED: G. chiloense, scarlet, summer, 2 ft., Chili; and its 
varieties, grandiflorum plenum (double-flowered) and miniatum (orange); coccineum, 
scarlet, summer, 1 ft., Asia Minor; Heldreichii, orange-red, July, 1 ft.; montanum, 
yellow, May, 2 ft., Europe; reptans, yellow, summer, trailing, Europe. 
Ghent Azalea (Rhododendron pontica).—See Rhododendron. 
Gherkin.—See Cucumis. 
Giant Cow-parsnip (Heracleum giganteum).—See Heracleum. 
Giant Fennel.—See Ferula. ; 
Giant Fern Palm (Macrozamia peroffskyana)—See Macro- 
zamia. 
Giant Ivy (Hedera Helix rewgneriana)—See Hede-a. 
Giant Knot-weedé (Polygonium Sieboldi).—See Polygonium. 
Giant Lily (Lilium giganteum).—See Lilium. 
Giant White Californian Poppy (Romneya Coulteri).— 
See Romneyi. 
Gibraltar Mint (Mentha pulegium gibraltarica)—See Mentha. 
Gilia.—Ord. Polemoniacee. Hardy annuals. First introduced 
1826. 
CULTURE: Soil, ordinary. Position, sunny; dwarf kinds as edgings 
to beds or borders, tall kinds in groups in borders or beds. Propagate 
by seeds sown 1-16in. deep in April, where plants are to flower, 
thinning seedlings out in May 1 to 3in. apart. 
SPECIES CULTIVATED: G. achillesefolia, purplish blue, Aug., 1 ft., California; 
androsacea (Syn. Leptosiphon parviflorus), lilac, pink, and white, Aug., 1 ft., 
California; coronopifolia, scarlet, summer, 9 to 18 in., California; densiflora 
(Syn. Leptosiphon densiflorus), lilac, June, 6 in.; densiflora alba, white; dianthoides 
(Syn. Fenzlia dianthiflora), lilac and yellow, July, 4 in., California; micrantha 
(Syn. Leptosiphon roseus), rose, summer, 9 in., California; liniflora, white, summer, 
1 ft., California; tricolor, orange and purple, June, 1 ft., California, and its 
varieties alba, atroviolacea, rosea, and splendens. . 
Gillenia (Indian Physic). — Ord. Rosaceer. Hardy perennials. 
First introduced 1713. : 
CULTURE: Soil, peaty. Position, moist shady bed or border. 
Plant, Oct. to Dec., or March. Cut down flowering stems in Sept. 
Propagate by division of roots in March or April. 
SPRCLES OULTIVATED: G. stipulacea, white, June, 1 to 2 ft., N. America; 
trifoliata, red or white, July, 1 to 2 ft., N. America, i ox 
Gillyflower (Dianthus caryophyllus & Cheiranthus Cheiri).—See 
Dianthus & Cheiranthus. : Abe? 
Ginger-plant (Zingiber officinale).—See Zingiber. 
Ginkgo (Ginkgo-tree; Maidenhair-tree).—Ord. Coniferw. Hardy 
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