98 PRESENT-DAY GARDENING 



R. campylocarpum. Sikkim, 14,000 feet. 1851. A sturdy 

 shrub up to 8 feet. Evergreen. Leaves heart-shaped, green 

 on both surfaces, with closely reticulating veins, about 3 

 inches long. Flowers honey-scented on slender pedicels, 

 in loose heads, bell-shaped, yellow, i inch long. There 

 is a white-flowered variety. Hardy. 



R. camelliceflorum. Himalaya, 13,000 feet 1851. A 

 shrub 6 feet. Evergreen. Leaves oblong, scaly be- 

 neath, 3 inches long. Flowers several together on short, 

 scaly stalks, corolla wide-spreading, white, i inch across. 

 Tender. 



R. catawbiense. S. United States. 1809. A stout 

 shrub 3-6 feet. Evergreen. Leaves oblong, rounded at 

 both ends, glabrous, dark-green above, paler beneath, 5 

 inches long. Flowers bell-shaped, lilac-purple with red 

 spots. Hardy. 



R. caucasicum. Caucasus. 1803. A spreading shrub, 

 3 feet. Evergreen. Leaves lance-shaped or ovate, leathery, 

 dark-green, rust-hairy beneath, margins revolute. Flowers 

 in corymbs, bell-shaped, rose-red, white within, with green 

 spots on the upper segments. There are several named 

 varieties. Hardy. 



R. Championce. China. 1890. An evergreen shrub 

 7 feet high, with the habit of R. flavum ; leaves lanceolate, 

 3 inches long, dark-green, hairy. Flowers in compact 

 umbels, 4 inches across, in shape like an Indian Azalea, 

 pale-rose. Tender. 



R. chartophyllum. S. China. 1907. In the way of 

 R. Yunnanense, but the leaves are narrower and not hairy, 

 and the flowers are smaller, 



R. ciliatum. Himalaya, 10,000 feet. 1850. A spreading 

 shrub, branches twiggy, 4 feet or more high. Evergreen. 



