Sunflower.—See "Helianthus."
Swainsonia Galegifolia Alba.—A graceful and charming cool greenhouse plant, with Fern-like evergreen foliage and pure white flowers, which are borne from April to November. The soil most suitable for it is a mixture of loam and sandy peat. Cuttings of the young growth planted in sand under glass strike readily. Height, 2 ft.
Swallow Wort.—See "Asclepias."
Swamp Lilies.—See "Zephyranthes."
Swan River Daisy.—See "Brachycome."
Sweet Alyssum.—See "Alyssum."
Sweet Flag.—See "Acorus."
Sweet Peas.—See "Peas, Sweet."
Sweet Rocket.—See "Rocket."
Sweet Scabious.—See "Scabious."