Acrotis.--These are mostly hardy herbaceous plants from South Africa.
The soil should consist of two parts loam and one part leaf-mould, and
the situation should be dry and sunny. Seed may be sown early in March
in gentle heat, and the plants grown on in a cold frame till May, when
they may be planted out a foot apart. They will flower at midsummer.
Winter in a warm greenhouse. Height, 2 ft. Some few are of a creeping
nature.