eat. It flowers in June. Height, 1 ft.

Arctotis Grandis.--A very handsome, half-hardy annual producing large
daisy-like flowers on long wiry stems, the upper part being white and
the base yellow and lilac, while the reverse of the petals are of
a light lilac. The seed should be sown early in spring on a slight
hot-bed, and the plants potted off, when sufficiently strong, using a
rich, light mould. They may be transferred to the border as soon as
all fear of frost is over. Height, 2-1/2 ft.

Ardisia Japonica.--An evergreen shrub which delights in a mixture of
loam and peat. Cuttings will strike if planted in sand under glass
with a little bottom heat. It flowers in July. Height, 6 ft.

Arenaria Balearica (_Sand Wort_).--A hardy evergreen trailing plant of
easy culture, provided it is favoured with a sandy soil. Its cushions
of white flowers are produced in July, and it may be increased by seed
or division. Height, 3 in. It is a beautiful plant for moist, shady
rock-work.

Argemone.--Interesting hardy annuals, succeeding well in any common
garden soil. Are increased by suckers or by seed sown in spring.
Height, 6 in. to 3 ft.

Aristolochia Sipho (_Dutchman's Pipe_).--This hardy, deciduous climber
grows best in peat and sandy loam with the addition of a little dung.
It may be raised from cuttings placed in sand under glass. Height, 30
ft.

Armeria (_Thrift_).--Handsome hardy perennials for rock-work or pots.
They require an open, rich, sandy soil. Bloom June to September.
Height, 1-1/2 ft.

Arnebia.--Ornamental hardy annuals, closely allied to the Anchusa.
The seeds are sown in the open in spring, and flowers are produced in
July. Height, 2 ft. There is also a dwarf hardy perennial variety (_A.
Echioides_) known as the Prophet's Flower, growing about 1 ft. high,
and flowering early in summer. It needs no special treatment.

Artemisia Annua.--Pretty hardy annuals, the silvery leaves of the
plant being very effective on rock-work. Sow the seed in spring where
it is to flower. Height, 6 ft.

Artemisia Arborea. _See_ "Southernwood."

Artemisia Villarsii.--A hardy perennial whose graceful sprays of
finely-cut silvery foliage are very useful for mixing with cut
flowers. It may be grown from seed on any soil, and the roots bear
dividing; flowers from June to August. Height, 2 ft.

Artichokes.--The Jerusalem variety will flourish in light sandy soil
where few other things will grow. Plant the tubers in March, 6 in.