ENCYCLOPHDIA OF GARDENING. 
March. Water abundantly March to Sept., moderately Sept. to March. 
Temp., May to Aug. 65° to 85°; Aug. to Nov. & March to May, 60° to 
70°; Nov. to May, 55° to 65°. Propagate by division of pseudo-bulbs 
when growth commences. 
SPECIES CULTIVATED: H. brockenhurstiana, brown and yellow, summer, 2 ft., 
Brazil; chrysantha, yellow, chocolate and crimson, summer, 2 ft., Colombia; 
Jowiana, yellow and white, summer, | ft., Colombia; odoratissima, red, summer, 
2 {t., Colombia. 
House Leek (Sempervivum tectorum!.—See Sempervivum. 
Houstonia (Bluets)—Ord. Rubiacew. Hardy herbaceous peren- 
nials, First introduced 1785. 
CULTURE: Soil, leaf-mould & sand. Position, crevices, nooks, & 
crannies of moist rockeries. Plant, March or April. Propagate by 
seeds sown 1-16in. deep in pans of leaf-mould & sand in cold frame in 
spring or autumn; division of roots in Sept. or Oct. 
SPECIES CULTIVATED: H. cerulea (Bluets), blue, May to July, 2 to 4 in, 
Virginia; oerulea alba, white; longifolia, lilac, Aug., 6 in., N. America; serpyli- 
folia, white, summer, 3 in., N. America. 
Hovea.—ord. Leguminose. Greenhouse flowering shrubs. Ever- 
green. Nat. Australia. First introduced 1818. 
CULTURE: Compost, three parts peat, one part loam & little silver 
sand. Position, well-drained pots in light airy greenhouse. Pot, Feb. 
or March. Nip off points of young shoots in spring to induce bushy 
growth. Water freely April to Sept., moderately Sept. to April. 
Temp., March to Sept. 55° to 65°, Sept. to March 45° to 50°. Stand 
lants outdoors from July to Sept. to mature flowering shoots for fol- 
owing year. Propagate by seeds sown 1-16in. deep in well-drained 
pots of sandy peat in temp. of 55° to 65° in March or pe ; cuttings 
inserted in sandy soil under bell-glass in temp. 55° April to July. 
SPECIES CULTIVATED: H. Celsi, bluc, spring, 3 ft., Australia; longifolia, 
purple, spring, 5 ft., Australia. 
Howea.—Ord. Palmacee. (ireenhouse palms. _ Elegant plant 
for house decoration. Nat. Lord Howe’s Island. Leaves, feather- 
shaped, graceful. ; ; 
CULTURE: Compost, equal parts loam & peat, little silver sand. 
Position, well-drained pots in greenhouse, or in dwelling rooms during 
summer. Pot, Feb. or March. Temp., Sept. to March 45° to 55°; 
March to Sept. 55° to 65°. Water moderately, Oct. to Feb.; freely 
afterwards. Apply weak liquid manure to healthy plants once a week, 
May to Sept. Syringe plants daily. Sponge leaves of those grown in 
dwelling rooms once weekly. Propagate by seeds sown lin. deep in 
light soil in be 80° Feb. or March. 
PECIES CULTIVATED: H. belmoreana (Syn. Kentia belmoreana), 6 to 10 ft., 
forsteriana, 6 to 15 ft. ; 
Hoya (Honey-plant, Wax-flower). — Ord. Asclepiadeew. Stove & 
greenhouse climbing flowering plants. Evergreen. First introduced 
1802. 
CULTURE: Compost, equal parts peat and loam, little charcoal & 
sand. Position, malledvained pots, beds, or hanging baskets, with 
shoots trained round trellises, up rafters, or against walls, & fully 
exposed to the light. Pot or plant Feb. or March. Water freely 
March to Sept., modcrately Sept. to March. Temp., stove species, 65° 
to 75° March to Oct., 55° to 65° Oct. to March; greenhouse species, 55° 
to 65° March to Sept., 45° to 55° Sept. to March. Prune into shape, 
Teb. Foot stalks of flowers should not be removed after blooming, as 
these will produce a second crop of flowers. Propagate by cuttings of 
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