CULTIVATED SPECIES 
99 
Leaves elliptic, 2 inches long, clothed with scattered hairs. 
Flowers in loose corymbs, bell-shaped, inch long, 
white, tinged with pink. Tender. 
R. ciliicalyx. — China. 1900. A shrub similar to R. 
formosumy distinguished by its more robust habit, larger 
flowers, and hairs on the calyx. Tender. 
R, cinnaharinum. — Himalaya, 12,000 feet. 1851. A 
straggling shrub 8 feet high. Evergreen. Leaves oblong, 
smooth, glaucous and scaly beneath, 3 inches long. Flowers 
in loose corymbs, narrow bell-shaped, distinctly lobed, 
fleshy, orange, dull-crimson, or brick-red. A most variable 
species, and includes varieties known as Roylei and bland- 
fordiflorum. Hardy. 
R. Collettianum. — Afghanistan. 1879. A shrub 8 feet, 
with grey branches. Evergreen. Leaves lance-shaped, 
dull-green, brown-scaly beneath, 3 inches long. Flowers 
in compact heads, tubular, spreading lobes less than i inch 
across, white. Hardy. 
R. dahuricum, — North-Eastern China. 1780. An 
erect, twiggy shrub 3 feet. Deciduous. Leaves ovate, 
bright-green, pale beneath, i inch long, clustered at the 
ends of the twiggy branches. Flowers few, at the ends of 
the ripened shoots, bell-shaped, i inch across, rose-coloured. 
Hardy. The variety sempervirens has persistent leaves and 
purplish flowers. 
R, Dalhousice. — Himalaya, 9000 feet. 1850. A sturdy, 
straggling shrub, often epiphytic. Evergreen. Leaves 
broadly oblong, smooth, glaucous green, sometimes ciliate, 
4 inches long. Flowers in loose clusters, large, bell-shaped, 
white or creamy, fragrant, calyx large, with five spreading, 
leaf-like lobes. Tender. 
R. decorum, — China. No doubt the Chinese form of 
