Soldevilla

Soldevilla setosa. Hardy herbaceous perennial. Seed. Common soil.

Soldier-Wood

Inga purpurea.

Solidago

Golden Rod. Sixty-seven species. Hardy herbaceous perennials, except S. leucanthemifolia, which is half-hardy, and S. spuria, a green-house evergreen. Division. Common soil.

Sollya

Three species. Greenhouse evergreen climbers. Cuttings. Loam and peat.

Solomon's Seal

Convallaria.

Sophora

Fourteen species. Hardy herbaceous perennials and deci-duoustrees; stove and green-house evergreen shrubs and trees. The latter increase by cuttings, the former by division. S. chinensis and S. japonica, hardy deciduous trees: by layers or seeds. Light loamy soil.

Sophronitis

Three species. Stove epiphytes. Division. Wood with a little moss on the roots.

Sorindeia

Sorindeia madagascariensis. Stove evergreen shrub. Cuttings. Loam and peat.

Sorocephalus

Seven species.

Green-house evergreen shrubs. Ripe cuttings taken off at a joint. Turfy loam and sand.

Sorrel Tree

Andromeda arborea.

Soulangia

Twelve species. Green-house evergreen shrubs. Young cuttings. Sandy peat.

Soursop

Anona muricata.

Southernwood

Artemisia or-borea.

South Sea Tea

Ilex vomitoria.

Sowerbaea

Sowerbaea juncea. Green-house herbaceous perennial. Division. Sandy loam and peat.

Soy

See Soja.

Spanish Broom

Sparcium jun-ceum.

Spanish Cress

Lepidium carda-mines.

Spanish Elm

Cordia Geraschan-thtts.

Spanish Garlic

See Rocambole.

Spanish Nut

Moroea Sisyrinchium.

Spanish Viper's Grass

Scor-zonera.

Sparaxis

Ten species and some varieties. Green-house and half-hardy bulbous perennials. Offsets or seeds. Sandy loam and peat.

Sparmannia

Sparmannia africana. Greenhouse evergreen tree. Cuttings. Loam and peat.

Sparrow Wort

Erica passe-rina.

Spartium

Broom. Two species, and two varieties. Hardy deciduous shrubs. Seeds or cuttings. Common soil.

Spatalanthus

Spatalanthus speciosus. Hardy bulbous perennial. Offsets. Sandy loam and peat.

Spatalla

Nine species. Greenhouse evergreen shrubs. Seeds, ripe cuttings. Light sandy loam.

Spathodea

Eight species. Stove evergreen trees, shrubs, and climbers. Cuttings. Loam and peat.

Spathoglottis

Spathoglottis fortunatus. Green-house tuber. Division. Sandy loam.

Spawn

Spawn is the white filamentous matter produced in the soil by mushrooms, and by which they are propagated. It is doubtful whether it arises from their seed, or whether it is a mass of underground runners. See Mushroom.

Specklinia

Five species. Stove epiphytes. Division. Wood, with a little moss on the roots.

Specularia

Six species, and a few varieties. Hardy annuals. Seeds.

Spermacoce

Five species. Hardy annuals and stove annuals and biennials. Seeds. Light soil.

Spermaxyrum

Spermaxyrum stridum. Greenhouse evergreen shrub. Cuttings. Loam and peat.

Sphacele

Two species. Greenhouse evergreen shrubs. Cuttings. Light rich soil.

Sphaeralcea

Eight species. Green-house evergreen shrubs and herbaceous perennials; a few, hardy annuals; the latter increase by seeds, the others by cuttings. Rich soil.