CULTIVATED SPECIES 113 



when young, 2-3 inches long. Flowers 3 inches wide, 

 saucer-shaped, blush-pink, changing almost to white. Calyx 

 glandular, ciliate. Hardy. 



R. Thomsonii. Sikkim, 13,000 feet. 1851. A large 

 shrub up to 15 feet. Evergreen. Leaves elliptic, heart- 

 shaped, dark-green above, glaucous beneath, finely reticu- 

 lated, about 3 inches long. Flowers in compact heads, 

 bell-shaped, 1-2 inches long and wide, blood-red. Calyx 

 cup-shaped. Hardy. 



R. triflorum. Himalaya, 8000 feet. 1850. A virgate 

 shrub up to 8 feet. Evergreen. Leaves elliptic, thin, grey- 

 green, scaly beneath, 2 inches. Flowers usually in threes, 

 tubular, i inch long and wide, pale-yellow. Tender. 



R. Ungernii. Trans-Caucasia. 1886. A sturdy shrub 

 up to 12 feet. Evergreen. Leaves lance-shaped, leathery, 

 dark-green above, felted beneath, 4-6 inches long. Flowers 

 in compact clusters, shallow bell-shaped, spreading lobes, 

 2 inches across. Pale-rose, tinted with red. Hardy. 



R. Vaseyi. N. America. 1888. A shrub or small tree 

 up to 1 8 feet. Deciduous. Leaves lance-shaped, bright- 

 green, 2-3 inches long. Flowers preceding the leaves, in 

 loose umbels, tubular, spreading lobes, i^ inch across, pink 

 with red spots. Hardy. 



R. Veitchianum. Moulmein, 7000 feet. 1850. A 

 shrub about 8 feet high, sometimes epiphytic, stem swollen 

 at the base. Evergreen. Leaves lance-shaped, smooth, 

 with red scales beneath, 4 inches long. Flowers in loose 

 umbels, wide bell-shaped, with large wavy lobes, white, 

 very fragrant, stamens twelve or more. Closely related to 

 R. formosum. Greenhouse. 



R. virgatum. Himalaya, 9000 feet. 1850. A shrub 

 up to 4 feet, with thin, scaly branchlets. Evergreen. Leaves 



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