The Azara are hardy evergreen shrubs Only one species of azara is of much importance from the gardener's standpoint, and this is Azara micro-phylla, an evergreen shrub or small tree which is usually grown in this country as a wall climber

Azaleas are hardy and half-hardy deciduous and evergreen shrubs Azaleas are most conveniently divided into three groups from the gardener's standpoint

The Astilbe are hardy herbaceous and shrubby perennials Several species and varieties commonly known as spiraeas are now classed under this heading, including the hybrids with Spirae astilboides, which are very useful for forcing in the cool greenhouse

The Aster are hardy herbaceous perennials and half-hardy annuals The perennial asters may conveniently be considered under four distinct headings

Auricula are hardy perennials Auriculas belong to the Primula family and are divided into two main types, the show and the alpine

The Aristolochia are hothouse, greenhouse, and hardy climbing plants A diverse race of climbing plants, they are mostly natives of tropical regions

Firstly dealing with the Amaryllis, they are well known hardy bulbous plants The belladonna lilies are splendid plants for a warm shrubbery border or for planting in front of warm sheltered south walls, where they may be allowed to establish themselves without fear of fatalities through frost

Firstly the Alyssum which are hardy annuals and perennials The annual species, Alyssum maritimum, is one of the most popular edging plants for summer bedding

The Andromeda is a hardy flowering evergreen shrub, and this article will deal with this first This used to be quite a large family until the botanists split it up under such names as Oxydendrum, Pieris, Cassiope, and Zenobia, leaving only one species of garden importance under the original name; this is Andromeda polifolia, the Bog Rosemary

The pimpernels are all of trailing habit, however the annuals are of the simplest culture and are bright showy plants well suited to plant¬ing in the foreground of mixed borders Modern strains offered in seedsmen's catalogues are a big im¬provement both in habit and in the size and colour of the flowers on the older species