Wilsoni is a new Chinese species with slender branches, ovate toothed leaves, brown stems and small white single flowers with cream anthers, produced abundantly in spring, even on quite young plants. An Award of Merit was given to it by the Royal Horticultural Society in May, 1913. Officinale has sweet white flowers in clusters. Height twelve to fifteen feet.
An evergreen growing up to fifteen feet high, with ovate lanceolate coriaceous dark green leaves, two to three inches long.
A native of Central and Western China, where it is a forest tree with alternate, ovate and acuminate deciduous leaves and small yellow flowers in slender spikes.
A Lime with heart-shaped leaves, the under side of which is covered with white down and the upper glabrous.
A dwarf evergreen species, growing about a foot high, with pale green foliage and white flowers; free and early; a good rock shrub.