ENCYCLOPEDIA OF GARDENING. 
Siberian Larkspur (Delphinium grandiflorum).—See Delphi- 
nium. 
Siberian Orange Lily (Lilium dauricum).—See Lilium. 
Siberian Squill (Scilla sibirica)—See Scilla. 
Sibthorpia (Cornish Money-wort).—Ord. Scrophulariacee. 
Greenhouse & hardy creeping perennial herb. A pretty plant for 
hanging baskets. Leaves, small, round, variegated with white. 
CULTURE: Compost, equal parts loam, leaf-mould, & little sand. 
Position, moist partially shady borders or rockeries outdoors, or in 
pots or pans in cold frame, or cool shady indoor fernery or greenhouse 
under bell-glass. Pot or plant, March or April. Water copiously in 
dry weather outdoors; also indoors, April to Sept.; moderately other 
times. Moist atmosphere essential for indoor culture. Propagate by 
cuttings inserted in pots of light soil placed under bell-glass in cold 
greenhouse or frame in summer; division of plants in April. 
SPECIES CULTIVATED: S. europea variegata, pink, July, N. Europe (Britain). 
Sidalcea.—Ord. Malvacee. Hardy perennial herbs. First in- 
troduced 1838. 
CULTURE: Soil, ordinary. Position, sunny borders. Plant, Oct. 
to April. Lift, divide, & replant every three or four years. Propagate 
by seeds sown } in. deep in light soil in April, transplanting seedlings 
when 1 in. high; division of roots, Oct. to April. # 
SPECIES CULTIVATED: S. candida, white, summer, 3 ft., New Mexico; malve- 
flora, lilac, summer, 3 ft., N.W. America, and its varieties, atropurpureum 
(purple) and Listeri (pink). 
Side-saddle-flower (Sarracenia purpurea).—See Sarracenia. 
Sieber’s Crocus (Crocus Sieberi).—See Crocus. 
Siebold’s Plantain Lily (Funkia Sieboldi)—See Funkia. 
Siebold’s Primrose (Primula Sieboldi).—See Primula. 
Sieboid’s Stonecrop (Sedum Sieboldi).—See Sedum. 
Sikkim Cowslip (Primula sikkimensis).—See Primula. 
Sikkim Rhubarb (Rheum nobile).—_See Rheum. 
Silene (Campion; atchfly)—Ord. Caryophyllacee. Hardy 
annuals & herbaceous perennials. 
CULTURE OF ANNUAL AND BIENNIAL SPECIES: Soil, ordinary 
light or sandy. Position, sunny beds or borders. Sow seeds in August 
or Sept., in. deep in a bed of light rich soil; transplanting seedlings 
when lin. high, 2 to 3in. apart; & plant 6in. apart in flowering posi- 
tion in March for spring blooming. Sow also in similar depth & position 
in April, transplant when 1 in. high to flowering positions for summer 
blooming. Or sow where required to grow & flower in April, thinning 
out seedlings in May or June to 6 in apart. 
CULILURE OF PERENNIAL SPECIES: Soil, sandy loam, enriched 
with decayed cow dung; }4 loam, } peat, 4 stones for S. Elisabethe, 
acaulis, and rupestris; ordinary soil for other kinds. Position, sunny 
crevices or ledges of rockeries for S. acaulis, 8. alpestris, S. rupes- 
tris, S. virginica, S. pennsylvanica, & S. Elisabethe; open borders for 
S. maritima fl. pl. Plant, March or April. Top-dress annually in 
March with decayed cow dung & sandy loam. Lift & replant only 
when absolutely necessary. pag ae Pee by seeds sown in 
pans or boxes of sandy loam & leat-mou d, lightly covered with fine 
mould, & placed in cold frame in March or April; by cuttings of 
young shoots inserted in sandy loam in cold frame in summer; by 
division in March or April. 
ANNUAL SPECIES: 8. pendula, pink, spring, 6 in., Mediterranean Region; 
many varietics; armeria (Sweet William Catchfly), pink, July, 1 ft., Europe. 
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