XLIII. 



.RHODODE'NDRON. 



589 



1112. fl.(f)hirsiitum. 



Spec. Char., fyc. Leaves ovate-lanceolate, or elliptic, 

 acutish, ciliated with rusty hairs on the margins, 

 glabrous above, dotted and hairy beneath. Calycine 

 segments fringed, bearded. Flowers pale red or 

 scarlet, disposed in umbellate corymbs. Corollas 

 funnel-shaped. (Don's Mill.) A low evergreen 

 shrub. Alps of Switzerland, Austria, Styria, Dau- 

 phine, &c. Height 1 ft. to 2 ft. Introduced in 1656. 

 Flowers pale red or scarlet ; May to July. 



Variety. 



a. R. (/.) h. 2 variegatum. Leaves edged with 

 yellow. Possibly only a variety of the pre- 

 ceding species. 



. 11. R. SETO'SUM D.Don. The bristly Rhododendron. 



Identification. D. Don in Wern. Soc. Trans., 3. p. 408. ; Don's Mill., 3. p. 844. 

 Engraving. Our Jig. 1113. from a specimen in the herbarium of Professor DeCandolle. 



Spec. Char., $c. Branchlets beset with bristles. Leaves oval, mucronate, 

 bristly on the margins and under surfaces. Pedicels beset with glandular 

 hairs. Calycine segments rounded, coloured, 

 naked, crenulated. A small, stiff; much-branched 

 shrub. Leaves half an inch long. Flowers 

 purple, size of those of R. dauricum, disposed in 

 umbellate corymbs. Calyx purple. Filaments 

 bearded at the base. Stigma capitate. (Don's 

 Mill.) A low evergreen shrub. Nepal, in Gos- 

 sainthan. Height 6 in. to 1 ft. Introduced in 

 1825, but rare. Flowers purple ; May. 



. R. macropliyllum D. Don (G. Don's Mill., iii. 

 p. 843.) is a native of the north-west coast of 

 North America, where it was collected by Mr. 

 Menzies j and there are specimens in Mr. Lam- 

 bert's herbarium ; but the plant has not yet been 



introduced. The petioles of the leaves are 1 in., and their disks from 

 7 in. to 8 in. long j and the flowers are smaller than those of R. maximum, and 

 white. 



ii. Booram. 



Derivation. The name of R. arbbreum in Nepal. 



Sect. Char., $c. Limb of calyx 5-lobed. Corolla campanulate. Evergreen 

 trees or shrubs, natives of the Himalayas, and other mountainous regions 

 of Northern India. One species is hardy in British gardens. 



* 12. R. CAMPANULA'TUM D. Don. The bell-shape^otmrc? Rhododendron. 



Identification. D. Don in Wern. Mem., 3. p. 409. ; Prod. Fl. Nep., p. 153. ; Don's Mill., 3. p, 844. 

 Engravings. Lodd. Bot. Cab., t. 1944. ; Swt. Fl.-Gard., 2d s., t. 241. ; and our fig. 1114. 



Spec. Char., $c. Leaves elliptic-oblong, mu- 

 cronate, rusty beneath, rather cordate at the 

 base. Segments of corolla flat, emarginate. 

 Ovarium 6-celled, glabrous. Under surfaces 

 of leaves clothed with fine scaly pubescence, 

 at first of a purplish hue, then changing to 

 nearly white, and afterwards to a deep fer- 

 ruginous brown. Flowers copious, disposed 

 in corymbose clusters. Pedicels glabrous. 

 Bracteas fringed. Corollas large, pale pink, 

 changing to white, having the upper lip 

 marked with irregular purple spots. Fila- 

 ments bearded at the base. This species 

 surpasses all others in the size of its m 4 . R , 



1113. S. set6sum. 



