ENOYCLOPHDIA OF GARDENING. 
in pots in temp: 55° to 65° in April, transplanting seedlings outdoors 
in June. Apply stimulants occasionally when flower buds form. 
CULTURE OF PERENNIAL SPECIES: Soil, ordinary rich. Posi- 
tion, sunny well-drained borders. Plant, Oct., Nov., or April. Cut 
down flower stems in Oct. Water in dry weather. Apply stimulants 
occasionally when plants show flower buds, Replant every third year. 
CULTURE OF JERUSALEM ARTICHOKE: Soil, ordinary rich. 
Position, open or shady. Plant, Feb. or March, placing tubers Gin. 
deep & 12in. apart in rows 3ft. asunder. Earth-up when stems are 
6in. high. Lift tubers in Nov. & store in sand or dry soil in outhouse, 
or leave in ground & dig as required. 
Propagate annual & perennial species by seeds sown 3 in. deep in 
sunny place outdoors in March or April; perennials by division of roots, 
Oct., March, or April; Jerusalem artichoke, 4 tubers treated as above. 
ANNUAL SPEOIES: H. annuus (Common Sunflower), yellow, summer, 6 to i0 ft., 
N. America; argophyllus, yellow, 6 ft., N. America; debilis cucumerifolius, yellow, 
3 to 4 ft. 
PERENNIAL SPEOIES: H. decapptalus, sulphur yellow, summer, 4 to 6 ft., 
Canada; multiflorus, yellow, July, 4 ft., N. America; multifiorus maximus, large- 
flowered; multiflorus flore-pleno, double-flowered; orgyalis, yellow, Aug., 6 ft., 
N. America; rigidus (Syn. Harpalium rigidum), yellow, Aug., 5 ft., N. America; 
tuberosus (Jerusalem Artichoke), yellow, 6 ft., N. America. 
Helichrysum (Everlasting-flower; Immortelle-flower).—Ord. 
a ca Half-hardy annuals, hardy perennials, and greenhouse 
shrubs. 
CULTURE OF ANNUALSPECIES: Soil, ordinary. Position, sunny 
Sow seeds in gentle heat in March, & plant out in May; or sow outdoors 
in eee Gather flowers for winter decoration directly they are fully 
expanded. 
SULTURE OF PERENNIAL SPECIES: Soil, rich loam. Position, 
sunny well-drained borders. Plant, March or April. Cut down 
flower stems in Oct. Gather flowers for winter decoration when fully 
developed. 
CULTURE OF HARDY SHRUBBY SPECIES: Soil, rich loam. 
Position, sunny well-drained borders on summit of rockery. Plant, 
Sept. or Oct. Protect in very severe weather. 
CULTURE OF GREENHOUSE SPECIES: Compost, two parts peat, 
& one part of equal proportions of leaf-mould, charcoal, & sand. Posi- 
tion, sunny greenhouse. Pot firmly in Feb. or March. Water freely 
in summer, moderately other seasons. Temp., 45° to 50° in winter; 
55° to 60° other seasons. Propagate hardy species by seeds sown out- 
doors in April or cuttings in cold frame in spring; greenhouse species 
by cuttings in fine sand under bell-glass in spring. 
‘ANNUAL SPECIES: H. bracteatum (Everlasting Flower), colours various, sum- 
mer, 3 to 4 ft., Australia. 
PERENNIAL SPEOIES: H. arenarium (Yellow Everlasting), yellow, summer, 
6 to 12 in., Europe. = 
HARDY SHRUBBY SPECIES: H. Stcechas, yellow, 1 ft., summer, Europe. 
GREENHOUSE SHRUBBY SPEOIES: H. humile (Syn. Aphelexis humilis), pink, 
summer, 3 ft., 8. Africa. 
Heliconia (False Plantain).—Ord. Scitaminaces. Stove herba- 
ceous perennials. Orn. foliage. First introduced 1786. Leaves, 
green; stem striped with black, green, & yellow. 
CULTURE: Compost, two parts fibrous loam, one part leaf-mould, 
peat, & sand. Position, pots in shady part of plant stove. Pot, 
Feb. or March. Water freely March to Sept., moderately Sept. to 
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