|plants, hybrids, or garden
| | |forms. The majority of the
| | |species belong to China and
| | |Japan and North America,
| | |one species being found in
| | |the Caucasus. Several of
| | |the North American species,
| | |such as R. arborescens,
| | |calendulaceum, nudiflorum,
| | |&c., the Chinese and
| | |Japanese species R. sinense
| | |(better known as Azalea
| | |mollis), and the Caucasian
| | |flavum (Syn. Azalea
| | |pontica), have proved
| | |splendid breeders, and in
| | |the hands of the hybridist
| | |a wonderful assortment of
| | |varieties has been
| | |obtained, which for
| | |delicate shades and rich
| | |self-colourings are
| | |unsurpassed among hardy
| | |shrubs. The colours range
| | |from white to pink and from
| | |pink to blood-red, from
| | |lemon to deep yellow and
| | |orange-scarlet, with all
| | |descriptions of intervening
| | |shades and combinations of
| | |colour. From R.
| | |calendulaceum most of the
| | |orange and orange-scarlet
| | |and red forms have
|