XLiii. j;rica^ce.e: tjhodode'ndron. 



589 



^^ 

 ^^^. 



1112. R. (f ) liirsuium. 



'!pec. Char., S^c. Leaves ovate-lanceolate, or elliptic, 



acutisli, ciliated with rusty hairs on the maa-ijins, 



glabrous above, dotted and hairy beneath. CaKcine 

 ; segments IVinjied, bearded. Flowers pale red or 

 j scarlet, disposed in umbellate corymbs. Corollas 

 : funnel-shaped. {Don's Alill.) A low evergreen 

 I shrub. Al|)s of Switzerland, Austria, Styria, Dau- 



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



Flowers pale red or scarlet ; May to July. 

 aiiefi/. 



n. R. (/) h.2 mriegatum. Leaves edged with 

 I yellow. Possibly only a variety of the pre- 



' ceding species. 



I a. 11. /?. sETo'suM D.Don. The bristly Rhododendron. 



\dfnt{ficalion. D. Don in \Vcrn. Soc. Trans., 3. p. 408. ; Don's Mill., 3. p. 844. 

 ^ngraving. Omfig. 1113. from a specimen in the herbarium of Professor DeCanriolle. 



}pec. Char., Sfc. Branchlets beset with bristles. Leaves oval, mucronate, 

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

 1 hairs. Calycine segments rounded, coloured, 

 j naked, crenulated. A small, stiff) much-branched 

 , shrub. Leaves half an inch long. Flowers 

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

 I umbellate corymbs. Calyx purple. Filaments 

 I bearded at the base. Stigma capitate. {Don's 

 I Mill.) A low evergreen shrub. JSepal, in Gos- 

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

 I 1825, but rare. Flowers purple ; May. 



I . R. macrophyllum D. Don {G. Don's Mill., iii. 



!. S43.) is a native of the north-west coast of 



j'orth America, where it was collected by Mr. 



ilenzies ; and there are specimens in Mr. Lam- i3. H.set6sum. 



jert's herbarium ; but the phtnt has not yet been 



;!troduced. The jjctioles of the leaves are 1 in., and theii- disks from 



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



|hite. 



I ii. Booram. 



frivation. The namei of R. arbbreum in Nepal. 



Kct. Char., Sfc. 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. camp.wula'tum D. Don. The he\\-shvi\ie-flowered Rhododendron. 



153. ; Don's Mill., 3. p. 844. 

 and o\xr fig. 1114. 



[t-ntification. D. Don in Wern. Mem., 3. p. 409. ; Prod. Fl Nep., p 

 igriifings. Lodd. Bot. Cab., t. 1944. ; Swt. Fl.-Gard., 2d s., t. 241. 



per. Char., ^~c. Leaves elliptic-oblong, niu- 



' cronate, rusty beneath, rather cordate at the 



.base. Segments of corolla flat, emarginate. 



. Ovari'iini 6-celled, glabrous. Under surfaces 



jof leaves clothed with fine scaly pubescence, 



at fir.st of a purplish hue, then changing to 

 , nearly white, and afterwards to a deep fer- 

 iniginous brown. F'lowers copious, disposed 

 I in corymbose clusters. Pedicels glabrous. 

 I Bracteas fringed. Corollas large, pale pink, 

 i 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 



1114. F-. cam Poll uiatuui. 



