846 



ERICACE/E. XLIII. RHODODENDRON. 



Var. I, aurantlacum ; flowers of orange-red colour. T; G. 

 Native of China. 



Var. c, luteum (Sweet, 1. c.) flowers double, yellow. 



Far. , variegatum (Blum.bijdr. 851.) leaves obovate, covered 

 with white strigose bristles ; flowers rose-coloured, variegated 

 with white. Jj . G. Native of China. 



Var. n, spatulatum (Blum, bijdr. 852.) leaves spatulate, mucro- 

 nate, beset with rusty strigae ; flowers rose-coloured, T; . G. 

 Native of China and Japan. 



Far, 3, grandiflorum (Blum.bijdr. 853.) leaves oblong-spatu- 

 late, mucronate, beset with white bristles or strigae ; flowers 

 large, solitary, deep rose-coloured, Tj . G. Native of China 

 and Japan. 



Far. i, angustifblium (Blum. 1. c.) leaves narrow-lanceolate. 



Var. K, floribundum (Blum. 1. c.) leaves narrow, cuneate-lan- 

 ceolate, beset with rusty strigae ; stem much branched, fj . G. 

 Native of China and Japan. 



Indian Rhododendron. Fl. March, May. Clt. 1808. Shrub 

 3 to 6 feet. 



28 R. SCA'BRUM; leaves ovate, mucronulate, acute at the 

 base, ribbed beneath, beset with adpressed bristles, as well 

 as the branchlets and peduncles ; flowers decandrous ; filaments 

 papillose ; anthers corniculate at the base ; stigma dilated, 

 fj . G. Native of Japan, in woods on mountains. R. maximum, 

 Thunb. fl. jap. p. 181. Flowers deep rose-coloured, campanu- 

 late, usually twin. Lobes of corolla oblong, obtuse, twice longer 

 than the tube. Stamens exserted. Calycine segments oval, 

 obtuse, ciliated. Leaves 1| to 3 inches long, coriaceous. Corolla 

 3 inches in diameter. 



Scabrous Rhododendron. Shrub. 



29 R. MACRA'NTHUM ; leaves opposite or 3 in a whorl, obovate 

 or lanceolate, mucronulate, shining, clothed with adpressed bris- 

 tles ; flowers pentandrous ; calycine segments lanceolate, acute, 

 deeply toothed, bristly ; filaments glabrous. Tj . G. Native of 

 Japan. Azalea macranthum, Bunge, in mem. acad. petersb. 2. 

 p. 115. R, nitens, D. Don, mss. Stems several, rising from 

 the root-stock, 2-4 feet long, procumbent, naked. Branches 

 fascicled, leafy at the tips, beset with adpressed silvery bristles, 

 which change to brown, as well as the calyxes. Flowers soli- 

 tary or in pairs, nearly sessile, involucrated by bracteas. Co- 

 rollas large, of a brilliant salmon-colour, glabrous outside ; 

 the limb spreading with oblong blunt lobes ; the upper lobes 

 marked with deeper coloured spots. There is a variety of this 

 species, having the flowers pale pink and striped. 



Large-lowered Rhododendron. Fl. May, June. Clt. 1833. 

 Shrub procumbent, 2 to 3 feet. 



30 R. RETICULA'TUM (D. Don, mss.) leaves broadly ovate, 

 acute, rather coriaceous, sparingly hairy, glaucous and reticu- 

 lately veined beneath. Ij . G. Native of Japan, on the moun- 

 tains, and has been lately introduced by Mr. Knight, of King's 

 Road, Chelsea. Stems erect, a foot or 2 feet high, stiff. Leaves 

 stiff, 1 1 inch long, rounded at the base, bright green and shining 

 above, beset with a few adpressed bristles as well as the young 

 shoots. Flowers not seen. 



Reticulated-]eaved Rhododendron. Fl. ? Clt. 1834. Shrub. 



31 R. FARRE'R.S: (Tate, in Sweet, fl. gard. n. s. t. 95.) 

 branches stiff", villous while young, but glabrous in the adult 

 state ; leaves stiff", coriaceous, ovate, obtuse, ending in a short 

 cartilaginous mucrone, attenuated at the base, nerved and reticu- 

 lately veined, hairy on both surfaces, with somewhat recurved 

 ciliated edges ; petioles ciliated at the base ; flowers terminal, 

 solitary. ^ . G. Native of China, from whence it was brought 

 by Capt. Farrer. Calyx pilose, 5-lobed. Corolla spreading, 

 with undulated segments, lilac or pale purple-red. A dwarf 

 deciduous shrub. Flowers decandrous. 



Farrer' s Rhododendron. Fl. March. Clt. 1829. Shrub. 



32 R. PHOZNICEUM ; hairy ; leaves oblong-obovate, tapering : 

 into the petioles at the base ; flowers collected at the tops of the 

 branches, large, decandrous ; stamens short ; calyx erect, glan- 

 dular, and viscid, fj . S. Native of China. Azalea I'ndica, 

 var. phcenicea, Sweet, fl. gard. n. s. 128. Azalea I'ndica y, 

 Hook. bot. mag. 2667. Azalea ledifolia ft, phcenicea, Hook. 

 hot. mag. 3239. Flowers purple, having the upper segments 

 spotted. 



Var. ft, flore plena (Hook. bot. mag. 2509.) flowers double, 

 purple. Lodd. bot. cab. 1461. 



Purple Rhododendron. Fl. May. Clt. 1824. Shrub 3 to 

 10 feet. 



33 R. LEDIFOLIUM ; the whole shrub is hairy; leaves-elliptic- 

 lanceolate, opaque ; flowers by threes at the extremity of the 

 branches, decandrous ; calyx erect, glandular and viscid ; sta- 

 mens unequal. Tj . G. Native of China, about Pekin. Azalea 

 ledifolia, Hook. bot. mag. 2901. Azalea I'ndica, var. alba, 

 Lindl. bot. reg. t. 811. Lodd. bot. cab. 1253. Rhod. leucan- 

 thum, Bunge, in mem. acad. petersb. 2. p. 115. Flowers showy, 

 pure white. 



Ledum-leaved Rhododendron. Fl. March, May. Clt. 1819. 

 Shrub 2 to 6 feet. 



34 R. MUCRONA V TUM ; much branched ; branches pilose ; 

 leaves cuneate-oblong, mucronate, clothed with clammy hairs ; 

 flowers in fascicles ; calycine segments long-acuminated, pilose ; 

 flowers octandrous and decandrous, fj . G. Native of China. 

 Flowers white. Azalea mucronata, Blum, bljdr. p. 853. 

 Perhaps the same as R. kdifolium. 



Mucronate-\e&ved Rhododendron. Shrub. 



35 R. BURMA'NNI ; leaves linear-lanceolate, long-acuminated, 

 with recurved margins, clothed with silky villi on both surfaces. 



1? . G. Native of Japan. Azalea rosmarinifolia, Burm. ex 

 Blum, bijdr. p. 853. but not of Roth. Flowers pentandrous. 

 Burmann's Rhododendron. Shrub. 



36 R. MOLLIS ; branchlets pilose ; leaves oblong-lanceolate, 

 acute, narrowed at the base, ciliated, very soft beneath ; flowers 

 in fascicles ; calyx very short ; tube clothed with silky tomen- 

 tum ; flowers pentandrous. ? Tj.G. Native of China. Azalea 

 mollis, Blum, bijdr. p. 853. 



Soft Rhododendron. Shrub. 



37 R. LOUREIRIA'NA ; leaves lanceolate, quite entire, rugose 

 about the edges, smooth ; corolla white, dotted with red, as 

 also the calyx, anthers, and germs. Tj . G. Native of Cochin- 

 china. Azalea punctata, Lour. coch. p. 113. Flowers disposed 

 in terminal heaps. 



Loureiro's Rhododendron. Shrub 4 to 5 feet. 



38 R. DECU'MBENS (D. Don, mss.) stems decumbent ; leaves 

 ovate, acute; flowers pentandrous; segments of the calyx ovate, 

 acute, ciliated. T? . G. Native of China, from whence it has 

 been lately introduced by Knight and Tate. Flowers crimson. 



Decumbent Rhododendron. Fl. April, May. Clt. 1833. 

 Shrub decumbent. 



39 R. SINE'NSE (Sweet, fl. gard. 290.) leaves slowly deci- 

 duous, elliptic, acutish, pilosely pubescent, feather-nerved, with 

 ciliated margins, canescent beneath ; corollas downy ; stamens 

 equal in length to the limb of the corolla. >j . G. Native of 

 China. Azalea Sinensis, Lodd. bot. cab. 885. Flowers flame- 

 coloured, pentandrous. 



Far. ft, flavescens (Sweet, fl. gard. 290.) flowers yellow. 

 Chinese Rhododendron. Fl. May, June. Clt. 1823. Shrub 

 3 to 4 feet. 



SECT. VII. PENTANTHE'RA (from irtvTf, pente, five; and 

 av$r)pa, anthera, an anther ; flowers pentandrous). Limb of 

 calyx short, 5-lobed. Corolla funnel-shaped. Stamens 5. 

 Ovarium 5-celled. Leaves deciduous. 



