CULTIVATED SPECIES 97 



corymbs, bell-shaped, five-lobed, 13 inches long, yellow. 

 Tender. 



R. brachycarpum. Japan. 1888. A wide-spreading, 

 evergreen shrub up to 10 feet. Resembles R. catawbiense, 

 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. Maddeniij 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, Batemanii, album, &c. Hardy. 



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