CULTIVATED SPECIES 
97 
corymbs, bell-shaped, five-lobed, 13 inches long, yellow. 
Tender. 
R. hrachycarpum. — Japan. 1888. A wide-spreading, 
evergreen shrub up to 10 feet. Resembles R, catawhiense, 
but the leaves are shorter and rust-hairy beneath. Flowers 
pale-yellow, spotted with green. Hardy. 
R, Brookeanum. — Borneo. 1848. A sturdy shrub. 
Evergreen. Epiphytic. Leaves lance - shaped, leathery, 
smooth, dark-green above, scaly below, petioles purplish. 
Flowers in large umbels, fleshy, funnel-shaped, with five 
spreading lobes, orange-red. Greenhouse. 
R. calendulaceum. — N. America. A shrub up to 8 feet. 
Deciduous. Leaves ovate, hairy. Flowers tubular, glandu- 
lar, the spreading segments flame-coloured. Hardy. 
R, californicum. — California. A sturdy shrub up to 8 
feet. Evergreen. Leaves elliptic, 3-6 inches long, leathery, 
glabrous, bright-green above, paler beneath. Flowers in 
compact heads, bell-shaped, with wavy lobes, i inch long, 
rose-purple with yellow spots on the throat. Hardy. 
R. calophyllum, — Bhotan, 4000 feet. 1850. A sturdy 
shrub 8 feet. Evergreen. Leaves oblong, leathery, glossy- 
green, glaucous and scaly beneath, 6 inches long. Flowers 
in loose corymbs, bell-shaped, 3 inches long and wide, with 
five spreading lobes, stamens about twenty, white, tinged 
with green. Tender. Sometimes treated as a variety of 
R. Maddenii, but the two are quite distinct. 
R, campanulatum, — Himalaya, 14,000 feet. 1825. A 
large shrub up to 16 feet. Evergreen. Leaves elliptic, 
smooth, dark-green above, felted with rusty hairs beneath. 
Flowers in compact heads, bell-shaped, lilac-purple or 
white, I inch long, five-lobed. There are several varieties, 
named Wallichii, Batemaniiy album, &c. Hardy. 
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