588 



ARBORETUM ET FRUTICETUM BRITANNICUM. 



tained by Mr. Waterer of the Knaphill Nursery, between R. arbo- 

 reum and R. caucasicum, in 1 832 ; a most beautiful variety, quite 

 hardy, and an abundant flowerer. 



R. c. 4 Nobleanum Hort. (Bot. Reg., t. 1820. f. 1.) is a hybrid, very 

 much like the preceding one in all respects, except that its flowers 

 are of a deep and brilliant rose colour. 



L 8. R. PUNCTA^TUM Andr. The Potted-leaved Rhododendron. 



Identification. Andr. Bot. Kep., 36. ; Vent. Cels., 1. 15. ; Don's 



Mill., 3. p. 844. 

 Synonymes. R. ferrugineum var. minus Pers. Ench. 1. p. 478. ; R. 



minus Michx. Fl. Bar. Amer. 1. p. 258. ; R. punctatum var. 



minus IVats. Dend. Brit. 162. A. 

 Engravings. Andr. Bot Rep., 36. ; Dend. Brit., t. 162. A. ; and 



our Jig. 1109. 



Spec. Char., fyc. Leaves oval -lanceolate, acute at 

 both ends, glabrous, beset w!th rusty resinous 

 dots beneath. Pedicels short. Calycine teeth 

 short. Segments of corolla ovate, a little undu- 

 lated. Flowers pink, 

 disposed in umbellate 

 corymbs. Corollas fun- 

 nel-shaped. Capsules 

 elongated. (Don's 

 Mill.} A low ever- 

 green shrub. Carolina, 

 on mountains, parti- 

 cularly at the head 

 waters of the Savannah 

 River. Height 4 ft. 

 Introd. 1786. Flowers 

 nog. . punctktum. pink; July and August. mo. . P . majus. 



Variety. 



. R. p. 2 majus Ker. (Bot. Reg., t. 37. : and our Jig. 1110.) Leaves 

 and flowers larger. 



. 9. R. FERRUGI'NEUM L. The rusty-leaved Rhododendron. 



Identification. Lin. Sp., 562. ; Don's Mill., 3. p. 844. 

 Engravings. Bot. Cab., 65. ; and our Jig. 1111. 



Spec. Char., fyc. Leaves oblong, attenuated at both ends, glabrous, shining 

 and green above, but thickly beset with rusty dots beneath. Calycine seg- 

 ments dentately ciliated. Leaves like 

 those of the box tree ; when young, cili- 

 ated with a few hairs at bottom. Flowers 

 of a beautiful rose colour or scarlet, dis- 

 posed in umbellate corymbs, marked with 

 ash-coloured or yellow dots. Corollas 

 funnel-shaped. Filaments hairy at bottom. 

 (Don's Mill.) A low evergreen shrub. 

 Alps of Switzerland, Austria, Savoy, Dau- 

 phine, and Piedmont ; where this species 

 and R. hirsutum terminate ligneous vege- 

 tation, and furnish the shepherds with 

 their only fuel. Height 1 ft. Introduced 

 in 1752. Flowers rose-coloured or scarlet ; May to July. 



Variety. 



_ R./. 2 album Lodd. Cat. ed. 1836. Flowers white. 



L 10. R. (?F.) HIRSU'TUM L. The hairy Rhododendron. 



Identification. Lin. Sp., 562. ; Don's Mill.. 3. p. 844. 



Engravings. Bot. Mag., t. 1853. ; Bot. Cab., t. 479. ; and our fig. 1112- 



R. ferrugineur 



