ENCYCLOPHADIA OF GARDENING. 
March to Sept., moderately afterwards. Temp., March to Sept, 55° 
to 65°; Sept. to March 45° to 55°. Propagate by spores sown on sur- 
face of well-drained pans of sandy peat & leaf-mould under bell-glass 
in temp. 65° to 75° at any time; division of creeping rhizomes in March. 
STO SPECIES: H. repens, creeping rhizomes, Trop. America. 
GREENHOUSE SPECIES: H. bergiana, creeping rhizomes, 8. Africa. 
Hypoxis (American Star Grass)—Ord. Amaryllidacerx. Green- 
house bulbous-rooted plants. Nat.§. Africa. First introduced 1752. 
CULTURE: Compost, two parts peat, one of leaf-mould & sand. 
Position, well-drained pots, or beds in cold frame. Pot, Aug. to Nov., 
covering pots with cinder ashes in cold frame or greenhouse till growth 
begins. Water moderately from time bulbs begin to grow until flowers 
fade, then gradually withhold it, keeping bulbs dry until growth re- 
commences. Temp., Sept. to Feb. 40° to 50°; 50° to 60° afterwards. 
Propagate by offsets, removed at potting time, & treated as old bulbs. 
SPECIES CULTIVATED: H. elegans, elegans, yollow and black, summer, 6 in. 
hemerocallidea, yellow, spring, 8 in.; stellata, white and black, spring, 6 in; 
villosa, yellow, spring, 6 in. 
Hyssop (Hyssopus officinalis)—See Hyssopus. 
Hyssopus (Hyssop).—Ord. Labiata. Hardy evergreen shrub. 
First introduced 1548. Leaves, narrow, aromatic. Shoots & flowers, 
infused in water, are largely used as an expectorant; also for distilling 
for yielding oils for perfumery and flavouring liquors. 
CULTURE: Soil, ordinary, light. Position, dry, warm borders. 
Plant, March to May, 12 in. apart each way. Prune into shape April. 
Gather shoots for medicinal purposes at any season; when flowers open 
for distilling. Marketed by the dozen bunches. Average price per 
dozen, 1s. 6d. to 2s-; for distilling, 30s. per cwt. Propagate by seeds 
sown 1-16 in deep outdoors in April, transplanting seedlings in June 
or July; eevaings of shoots inserted in ordinary soil & shady position in 
April or May; division of roots in Feb., March, Sept. or Oct. 
SPECIES CULTIVATED: H. officinalis, blue, June to Sept., 1 to 2 ft., S. 
Europe. 
Iberian Crane’s-bill (Geranium ibericum).—See Geranium. 
Iberian Cyclamen (Cyclamen ibericum).—See Cyclamen. 
Iberian Iris (Iris iberica).—See Iris. 
iberis (Candytuft)—Ord Cruciferr. Hardy annuals & evergreen 
shrubs. Flowers, fragrant. 
CULTURE OF ANNUAL SPECIES: Soil, ordinary. Position, sunny 
beds or borders. Sow seeds 3 in deep in patches or lines in March, 
April, or May for flowering in summer, Aug. or Sept. for spring flower- 
ing. Thin out seedlings to 2 in. apart in June. 
POT CULTURE: Compost, two parts good soil, one part decayed 
manure, leaf-mould, & sand- Size of pots, 5 in. in diameter. Sow seeds 
4 in. deep in April or May. Place pots in cold frame till June, then 
stand outdoors. Thin seedlings to aninch apart in June. Water mode- 
rately. Apply weak liquid manure occasionally when flowers show. 
CULTURE OF SHRUBBY SPECIES: Soil, light sandy loam. Posi- 
tion, fissures or ledges of sunny rockeries or margihs of well-drained 
sunny borders. Plant, Oct., March, or April. Propagate annual 
species by seeds sown as above; perennial species by seeds sown 1-16 in. 
deep in shallow boxes of sandy soil in cold frame in April; cuttings 
of partially formed shoots, from 1 to 2 in. long, inserted in well-drained 
pots in cold frame or in beds under hand-light outdoors July to Oct.; 
division of roots Oct. or March. 
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