CULTIVATED SPECIES 
103 
R. flavum. — Caucasus, &c. 1798. A deciduous shrub, 
with twiggy, smooth branches, ovate, hairy leaves, green 
tinged with brown. Flowers 2 inches wide, in compact 
umbels, base tubular, lobes speading, irregular, bright yellow, 
fragrant. Generally known as Azalea pontica. Said to be 
poisonous. One of the parents of Ghent Azaleas. Hardy. 
R, Fordii. — China. 1894. A compact shrub up to 8 
feet. Evergreen. Leaves lance-shaped, leathery grey-green, 
brown and felted beneath, 3 inches long. Flowers in loose 
corymbs, with large brown bracts, corolla bell-shaped, 2 
inches across, pink outside, white inside, with crimson spots. 
Tender. 
R, formosum. — Bhotan, &c. 1815. A shrub 3-8 feet. 
Evergreen, twiggy. Leaves 1-3 inches, varying in size and 
form, glabrous or hairy, glandular beneath. Flowers in 
loose corymbs, bell-shaped, 1-4 inches long, with large 
spreading lobes, white or tinged with pink, fragrant, calyx 
with small teeth, sometimes hairy. Variable, and repre- 
sented in gardens by several distinct forms. Tender. 
R, Fortunei, — China. 1859. A sturdy shrub up to 12 
feet high. Evergreen. Leaves oblong, dull-green above, 
glaucous beneath, with purplish petioles. Flowers in loose 
racemose heads, saucer-shaped, 3-5 inches in diameter, 
generally divided into seven lobes, white, tinged with pink, 
very fragrant. Hardy. 
R,fulgens, — Sikkim, 14,000 feet. 1851. A sturdy shrub 
up to 10 feet. Evergreen. Leaves ovate, 3 inches long, 
rust-hairy beneath, dark green above. Flowers in small, 
dense heads, blood-red, bell-shaped, i inch long, five-lobed. 
Hardy. 
R, glaucum. — Sikkim, 12,000 feet. 1850. A shrub 
2 feet. Evergreen. Leaves oblong, scaly, glaucous beneath, 
