ENCYCLOPEDIA OF GARDENING. 
CULTURE IN SMALL PONDS: Soil, peat or bog. Position, slightly 
drained pots immersed in water to within 2 in. of rim. Pot, Sept. to 
Oct. Syringe or sprinkle foliage every evening in summer. Propagate 
by cuttings of shoots inserted in sandy moist peat under hand-light in 
shade in summer; layering shoots in autumn; division of plants in 
sept or March. 
SPECIES CULTIVATED: O. macrocarpus (American Cranberry), pink, spring, 
creeping, N. America; palustris (Common Cranberry), pink, May, creeping, Britain. 
Oxypetalum.—oOrd. Asclepiadee. Stove and warm greenhouse 
evergreen climbers. First introduced 1823. 
CULTURE: Compost, equal parts fibrous peat, loam, & sand. Posi- 
tion, well-drained pots; shoots trained up roof. Pot, March or April. 
Water freely in summer, moderately autumn & winter. Syringe morn- 
ing & evening in spring time. Prune into shape Feb. Repot, March. 
Temp., March to Sept. 65° to 75°; Sept. to March 55° to 65°. Propa- 
gate by seeds sown in sandy peat, in a temp. of 75° in spring, or by 
cuttings placed in sand under a bell-glass over bottom heat in spring. 
SPECIES CULTIVATED: O. ceruleum (Syn. Tweedia cerulea), blue, summer, 
fragrant, 3 ft., Argentina; solanoides, blue, rose, orange and purple, fragrant, 
summer, 6 ft., Brazil. 
. Savcnorrs (Oxytrope). — Ord. Leguminosw. Hardy perennial 
erbs. 
CULTGRE: Soil, dry, gravelly, or sandy loam. Position, open sunny 
rockeries. Plant, March or April. Lift & replant only when un- 
healthy. Propagate by seeds sown 4in. deep in April or May where 
required to grow; division of roots in March. 
SPEOIES CULTIVATED: O. cyanea, purple and blue, summer, 6 in., Caucasus; 
Lambertii, white, blue and purple, summer, 1 ft., N. America; pyrenaica, purple 
and lilac, summer, 6 in., Pyrenees; uralensis, purple, summer, 4 in., Europe. 
Ozothamnus.—Ord. Composite. Hardy evergreen flowering 
shrub. Nat. Australia. First introduced 1827. 
CULTURE: Soil, ordinary. Position, sunny sheltered borders or 
against §. or W. walls, S. or W. of England only. Plant, Sept., Oct. 
or April. Prune when necessary in April. Propagate by cuttings of 
firm young shoots inserted in sandy soil under hand-light in shady 
position in summer. 
SPECIES CULTIVATED: O. rosmarinifolius, white, July and Aug., 6 to 10 ft., 
leaves fragrant, Australia. 
Pachystoma. 
First introduced 1866. : 
CULTURE: Compost, good fibry peat. Position, pots or hanging 
baskets, well drained. Water freely from time new growth com- 
mences until leaves fall off, very little other times. Temp., March to 
Sept. 65° to 85°; Sept. to March 60° to 70°. Propagate by division 
of plant at  othing time. ; 
Pe LTIVATED: P. thomsonianum, white and purple, 6 in., Trop. 
Pzeonia (Pzony; Peony; Piony).—Ord. Ranunculacew, Hardy 
herbaceous & shrubby perennials. First introduced 1548. 
CULTURE OF TREE PHIONIES OUTDOORS: Soil, two parts loam, 
one part decomposed cow manure. Position, sheltered nooks & sunny 
shrubberies or borders. Plant, Sept., Oct. or March., in beds of above 
compost, 18 in. deep and 2 ft. wide, well drained. Bury point of union 
between stock and scion 3in. below surface. Mulch in spring with 
thick layer of cow manure. Protect in severe weather with covering 
of litter. Plants flower three years after planting. 
305 
Ord. Orchidacee. Stove terrestrial orchids. 
