ENCYCLOPHDIA OF GARDENING. 
SPECIES CULTIVATED: 8. formosissima (Syn. Amaryllis formosissima), crim- 
son, June, 2 ft., Mexico and Guatemala. 
Spring Beauty (Claytonia virginica).—See Claytonia. 
Spring Bell (Sisyrinchium grandiflorum).—See Sisyrinchium. 
Spring Bitter Vetch (Lathyrus vernus).—See Lathyrus. 
Spring Crocus (Crocus vernus).—See Crocus. 
Spring Cyclamen (Cyclamen vernum).—See Cyclamen. 
Spring-flowering Squill (Scilla verna).—See Scilla. 
Spring Gentian (Gentiana verna).—See Gentian. 
Spring Meadow-Saffron (Bulbocodium vernum).—See Bul- 
bocodium. 
Spring Satin-flower (Sisyrinchium grandiflorum). — See 
Sisyrinchium. 
Spring Snowflake (Leucojum vernum).—See Leucojum. 
Spring Star-flower (Brodiza uniflora).—_See Brodiza. 
Spring Vetch (Vicia lathyroides)—See Vicia. 
Spruce (Picea excelsa).—See Picea. 
Spurge Flax ete mezereum).—See Daphne. 
Spurge Laurel (Daphne laureola).—See Daphne. 
Spur Valerian (Centranthus rubes).—See Centranthus. 
Squash.—See Cucurbita. 
Squaw-,root (Caulophyllum thalictrioides).—See Caulophyllum. 
Squill.—See Scilla. 
Squinancy-wort (Asperula cyananchica).—See Asperula. 
Squirrel’s-foot Fern (Davallia bullata).—See Davallia. 
Squirrel-tail-Grass (Hordeum jubatum).—See Hordeum. 
Stachys (Woundwort; Chinese Articheke). — Ord. Labiate. 
Hardy perennials & tuberous-rooted vegetables. 
CULTURE OF CHINESE ARTICHOKE: Soil, ordinary, deeply dug. 
Position, sunny. Plant tubers 9in. apart, 4in. to 6in. deep, in rows 
18in. asunder in March or April. Stir surface of soil between rows 
frequently. No earthing up required. Lift tubers in autumn as re- 
quired for use. Cover surface of ground in severe weather with litter. 
CULTURE OF HARDY PERENNIALS: Soil, ordinary. Position, 
shady border for 8. coccinea; edgings to borders or beds for 8. lanata. 
Plant autumn or spring. Propagate by division in autumn or spring. 
SPECIES CULTIVATED: §S. coccinea, scarlet, summer, 2 ft., Mexico; lanata 
(Lamb's Ear), leaves, white and woolly, 1 ft., Caucasus; Sieboldii (Syn. S. tuberi- 
fera), pink, summer, 1 ft., roots white, spiral in shape and edible, Japan (Chinese 
Artichoke). 
Staff-tree (Celastrus scandens).—See Celastrus. 
Stag’s-horn Fern (Platycerium alcicorne).—See Platycerium. 
Stag’s-horn Moss (Lycopodium Clavatum).—See Lycopodium, 
Stag’s-horn Saxifrage (Saxifraga ceratophylla). — See 
Saxifraga. 
Stag’s-horn Sumach (Rhus typhina).—See Rhus. 
Stanhopea.—Ord. Orchidacee. Stove epiphytal orchids. First 
introduced 1824. 
CULTURE: Compost, two parts fresh sphagnum moss, one part 
lumps of turfy peat & charcoal. Position, teak baskets suspended 
from roof. Plant, Feb., March or April. Water copiously, March to 
Sept.; moderately, Sept. to Nov.; keep almost dry remainder of year. 
Syringe foliage daily, summer. Shade from sun. Temp., May to 
Sept. 70° to 85°; Sept. to May 60° to 70°. Growing period, spring 
& summer. Resting period, winter. Flowers appear at base of 
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