Aloysia Citriodora—This favourite lemon-scented verbena should be grown in rich mould If grown in the open, it should be trained to a wall facing south, and in winter the roots need protecting with a heap of ashes and the branches to be tied up with matting It is increased by cuttings planted in sand August is its flowering season Height, 3 ft.

Some perennials, such as Pinks, Carnations, Saxifrages, etc, do not die down, but retain their leaves These are called evergreen perennials.

be taken not to administer it in excessive quantities, for too strong a stimulant is as injurious as none at all In ordinary cases loam with a fourth part leaf-mould is strong enough for potting purposes; and no liquid except plain water should be given until the plants have been established some time For roses, rhubarb, and plants that have occupied the same ground for a considerable time, mix 1 lb of superphosphate of lime with ½ lb of guano and 20 gallons of water, and pour 2 or 3 gallons round each root every third day while the plants are in vigorous growth Herbaceous plants are better without manure Liquid manure should be of the same colour as light ale.

Wolf's Bane—See "Aconite".


Barbarea—See "Rocket".

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