Stigmaphyllon

Four species. Stove evergreen twiners. Cuttings. Peat and sandy loam.

S Til Ago

Two species. Stove evergreen trees. Cuttings. Sandy loam and peat.

Stitchwort

Stellaria.

Stobaea

Stobaea pinnata. Green-house evergreen shrub. Young cuttings. Light rich soil.

Stock-Gilliflower

See Wall-' flower.

Stcebe

Four species. Greenhouse evergreen shrubs. Young cuttings. Sandy loam and peat.

Stokesia

Stokesia cyanea. Green-house herbaceous perennial. Seeds or division. Common soil.

Stonecrop

Sedum.

Stone Pine

Pinus Pinea.

Stopping

Stopping is pinching or nipping off the extremity of a branch to prevent its further extension in length. It is frequently done either to promote its robustness, or to promote the production of laterals.

Storax

Styrax.

Stork's Bill

Pelargonium.

Stranvaesia

Stranvaesia glaucescens. Hardy evergreen tree. Grafting or budding. Common soil.

Strapwood

Corrigiola.

St Ratio Tes

St Ratio Tes aloides. Water Soldier. Hardy aquatic perennial. Suckers. Loam and peat.

Stravadium

Three species. Stove evergreen trees. Layers. Sandy-peat.

Strawberry Blite

Blitum.

Strawberry Spinach

Blitum.

Strawberry Tree

Arbutus.

Strelitzia

Eight species. Stove herbaceous perennials. Suckers. Turfy loam.

Streptanthera

Two species. Green-house bulbous perennials. Offsets. Loam and peat.

Streptan'Thus

Two species. Hardy annuals. Seeds. Common soil.

Streptium

Streptium asperum. Stove herbaceous perennial. Cuttings. Loam and peat.

Streptocarpus

Streptocarpus rexii. Stove herbaceous perennial. Division. Rich soil and vegetable mould.

Streptopus

Five species. Herbaceous perennials; all hardy except S. simplex, which belongs to the greenhouse. Seeds or division. Light soil.

Strobilaxthes

Strobilaxthes Sabiniana. Stove evergreen shrub. Cuttings. Light rich soil.

Stropanthus

Three species. Stove evergreen shrubs. Cuttings. Sandy loam and peat.

Strumaria

Ten species. Greenhouse bulbous perennials. Offsets. Sandy loam.

Struthiola

Fifteen species. Green-house evergreen shrubs. Sandy peat.

Struthiopteris

Two species. Ferns. Hardy herbaceous perennials. Division. Loam and peat.

Strychnos

Six species. Stove evergreen trees. S. colubrina is a climber. Half-ripe cuttings and seeds. Loam and sandy peat. Nux vomica is one of the species.

Stylidium

Nine species. Greenhouse herbaceous perennials or evergreen shrubs. The latter increases by cuttings, a few of the herbaceous by division, but chiefly by seeds. Sandy loam and peat suit them all.

Stypandra

Five species. Greenhouse herbaceous perennials. S.fru-tescens an evergreen shrub. Division. Sandy loam and peat.

Styphelia

Eight species. Greenhouse evergreen shrubs. Young cut-tings, Sandy peat and sandy loam.

Styrax

Four species. Hardy deciduous shrubs. S. officinale produces the balsam of storax. Layers. Light soil.

Succowia

Succowia balearica. Hardy annual. Seeds. Light soil.

Suffocation

Suffocation is a term employed by Keith and others to describe any stopping of the transpiratory organs of plants, whether it arises from extrava-sated sap, mosses, fungi, or even from a deficient supply of sap.