AN ENCYCLOPAEDIA OF HORTICULTURE. 



295 



Rhododendron continued. 



large, sub-campanulate, with an angular tube. April I. lanceo- 

 late, obtuse, shining above, beneath (as well as the outside of the 

 corolla) lepidote. Branches smooth, A. 3ft. to 8ft. Eastern 

 Himalaya, 1815. (B. M. 4457.) 



R. Fortune! (Fortune's).* fl. pendulous, fragrant, loosely clustered 

 in heads of eight to ten, on peduncles iin. to lin. long ; calyx 

 discoid, small ; corolla of a fine pale rose-colour, shortly campanu- 

 late, 3in. to SJin. in diameter, with seven rounded lobes ; stamens 

 fourteen. May. I. 5in. to Tin. long, oblong or linear-oblong, 

 acute, bright green, but opaque above, glaucous below, acute, 

 rounded or cordate at base ; petioles red brown, iin. to lin. long. 

 Branches very stout, terete, h. 12ft. China, 1859. Hardy. 

 (B. M.5596.) 



a slightly compressed tube, and a limb of five recurved lobes. 

 June. I. broadly obovate or ovate-elliptic, rounded at apex, 

 cordate at base, 4in. long, Sin. broad, tolerably constant, coria- 

 ceous, glossy above, densely woolly beneath, the margins re- 

 curved. A. 4ft Eastern Himalaya, 1851. (B. M. 5317 ; F. d! S. 789 ; 

 B. S. H. xxv.) 



R. glancum (glaucous).* fl. erect or inclined ; calyx deeply five- 

 parted, with leafy lobes ; corolla pale pinkish -purple, above lin. 

 long, and about as broad, with a campanulate tube and a mode- 

 rately spreading limb of five emarginate lobes ; stamens ten, 

 included. May. L rather crowded at the tips of the branches, 

 lin. to Sin. long, usually lin. to liin. broad, shortly petioled, 

 oblong or broadly lanceolate, obtuse, with a macro, when old 

 naked above ; below glaucous, almost white, and dotted with 

 copious little scales, which abound on young leaves, bracts, buds, 

 peduncles, and calyx segments. A. 2ft Sikkim, 1850. Half- 

 hardy. (B. M. 4721 ; F. d. S. 672 ; B. S. H. xvii.) 



R. grande (large).* fl. white, 2in. to Sin. long, 2in. to 2iin. in 

 diameter; calyx very short, obscurely Ipbed; corolla limb of 

 rather short segments ; stamens ten ; stigma swollen. March. 

 I. obpvate-oblong, acute, attenuated into the thick petioles, 6in, 

 to 12in. long. Sin. to 5in. broad, nearly flat, glabrous, full green 

 above, silvery-white beneath ; when in bud, very beautiful, erect 

 and silky, at first enveloped in large scales. Trunks solitary or 

 two or three together, spreading, branched above. A. 30ft 

 Sikkim, 1850. Tree. STN. R. argenteum (R M. 5054 ; F. d. S. 

 473-6 ; B. S. H. ix.). 



R. Griffithiannm Auckland!! (Griffith's, Lord Auckland's 

 yar.). A synonym of R. Audtlandii. 



R. hirsutum (hairy).* Alpine Rose. fl. pale red or scarlet, 

 disposed in umbellate corymbs ; calyx lobes oblong, obtuse ; 

 corolla funnel-shaped, the outside, as well as the calyx, having 

 resinous dots ; pedicels bristly. May to July. I. sub-elliptic, 

 rigid-ciliated, ferruginous-dotted *>eneath, glabrous on both 

 sides. A. 1ft to 2ft. South Europe, 1656. Hardy. (B. M. 1853 ; 

 J. F. A. 98; L.B. C. 479.) 



R. Hodgson! (Hodgson's) fl. delicate pale purple or rose-colour, 

 in heads 4in. to 6in. in diameter ; calyx obsolete ; corolla tube 

 liin. long, broadly campanulate ; limb spreading, 2in. to 2iin. 

 across, eight-lobed ; stamens sixteen to eighteen ; anthers dark 

 purple-brown. May and June. I. terminal on the ultimate 

 branches, spreading, 1ft to lift, long, oblong-elliptic, obovate or 

 ovate-lanceolate, obtuse, nearly cordate at base, thickly coriaceous, 

 glabrous and glossy -green above, the margins recurved ; beneath, 

 except the midrib, clothed with pale silvery-white, rarely ferru- 

 ginous tomentum ; petioles very stout, lin. to 2in. or more long. 

 Bark pale flesh-colour. A, 12ft. to 20ft Eastern Himalava, 

 1851. A small tree, branching from the base. (R M. 5552; 

 B. S. H. xv.) 



R. Hooker! (Hooker's).* fl. red, in many-flowered corymbs ; calyx 

 ample, campanulate, obsoletely lobed ; corolla campanulate, with 

 five deeply bilobed lobes ; stamens ten. April I. coriaceous. 

 highly glabrous, rigid, oblong-oval, obtuse, long-stalked, rounded 

 at base, glaucescent beneath, Sin. to 5iin. long, lin. toljin. broad ; 

 nerves furfuraceous-pnbescent ; petioles thick, lin. long. A. 12ft 

 to 14ft Bhotan. An erect species. (R M. 4926.) 



R. jasmin Iflorum (Jasmine-flowered).* fl. many, in terminal 

 umbels ; calyx obscurely five-lobed ; corolla white, slightly tinged 

 with rose below the limb; tube 2in. long, straight, scarcely 

 gibbous at the base ; limb spreading, of five obovate, wavy lobes ; 

 stamens ten ; anthers red. May. L crowded towards the tips of 

 the branches ; lowermost ones "sub-verticillate on short petioles, 

 obovate-obloiur, rather acute, glabrous, nearlv coriaceous. A. 2ft 

 Malacca, 1849. (B. M. 4524 ; L. <fc P. F. G. i. 70.) 



R. javanicnm (Javan).* fl. fascicled, eight to twelve or more, 

 large and handsome ; calyx very small, five-lobed ; corolla oranse- 

 coloured, with scattered red spots, between funnel and bell- 

 shaped ; tube gradually widening upwards into a limb of five 

 nearly equal lobes ; stamens ten, slightly ascendent : anthers 

 dark purple. All seasons, i. scattered, oblong-oval, or ap- 

 proaching obovate, acute, tapering into a short petiole, naked 

 above, beneath minutely dotted with very small, brown, peltate 

 scales. Branches spreading. A. 4ft Java, 1847. (R M. 4336 ; 

 P. M. B. xv. 217.) 



R. Jenkins!! (Jenkins 1 ) fl. white, four to six in a corymb ; calyx 

 segments short ; corolla lobes sub-equal, rounded, obtuse ; style 



Rhododendron continued. 



very long. I shortly petioled, oblong-lanceolate, acute, cuneat* 

 at base, 4in. to 5iin. long, lin. to liin. broad, glaucous and densely 

 scaly beneath. A. 6ft to 7ft Bhotan. (B. G. ix. 277.) 

 R. kamtschaticnm (Kamtschatka). /., calyx lobes oblong, 

 leaf-like ; corolla purplish-red, striped inside with dark purple, 

 rly l^in. in diameter, the lobes obtuse and not callous at the 

 x. July. I. oval, slightly acute, reticulated, five-nerved, 



nearl 

 ape 



naked, ciliated. Kamtschatka, North America, &c., 1802. 

 procumbent, hardy sub-shrub. (L. & P. F. G. i. 22, under name 

 of Rhodothamnus Jcamptichaticu*.) 



R. Kendrickii lattfolium (KendricFs broad-leaved), fl. ten 

 to fifteen in a rather loose, globose head ; calyx of five small 

 teeth ; corolla bright scarlet, broadly campanulate, equally five- 

 lobed ; stamens ten. Spring. L 4in. to 6in. long, about lin. 

 wide, generally undulated on the margins, more or less whorled, 

 green on both surfaces ; young ones (and other parts of the 

 plant) clothed with reddish, glutinous hairs that disappear 

 in age. Trunk 7in. to Sin. in girth. Bhotan, 1859. Hardy. 

 (B. M. 5129.) 



R. Keysii (Keys'). /. red, yellow, small, five or six in a corymb ; 

 calyx five-toothed ; corolla tubular or urceolate, the lobes ovate. 

 obtuse ; stamens ten ; filaments exserted. July, i 2}in. to Sin. 

 long, about lin. broad, ovate-lanceolate, acute, glabrous, glaucous 

 and scaly beneath. A. 2ft to 6ft. Bhotan, 1851. (B. M. 4875 ; 

 F. d. S. 1110.) 



R. lanatnm (woolly).* fl. rather large, inclined, in terminal 

 corymbs of six to ten ; calyx minute, five-toothed ; corolla yel- 

 lowish-white or pale sulphur-colour; tube broad-campanulate, 

 within, above, and three of the upper lobes in part, red-dotted ; 

 limb 25n. to 2iin. across, of five very spreading, entire lobes. 

 June. I. at the tips of the branches, 3iin. to 5in. long, about 2in. 

 broad, obovate or elliptical obtuse, shortly mucronate, rather 

 acute, or at most obtuse, at the base ; under surface, as well as 

 ultimate branch-lets, peduncles, and petioles, covered with ad- 

 pressed, white or tawny, cottony tomentum. Trunk 6in. in 

 diameter. Sikkim, 1851. A large shrub or small tree. (F. d. a 

 684 ; B. S. H. xvi.) 



R. lapponicum (Lapland). /. violet-purple, few in an umbel ; 

 corolla open btll-shaped, dotted, with a short tube and a rotate 

 limb ; stamens five to ten. July. 1. elliptic, obtuse, iin. long, 

 rigid, persistent, and, as well as the branches, dotted with rusty 

 scales. A. 6in. Arctic regions, 1825. Hardv, tufted shrub. 

 (B. M. 3106.) 



R. lepidotum (scaly).* fl. on slender pedicels, liin. to 2in. 

 long ; calyx lobes obtuse, somewhat leaf-like ; corolla yellow or 

 purple, lin. across, lepidoted. especially on the outside of the 

 tube ; upper lobes spotted with green ; anthers large, rich red- 

 brown. May and June. i. obovate, lanceolate, or oblong, shortly 

 apiculate, petiolate, pale green. A. 2ft. to 4ft Sikkim, 1829. 

 Half-hardy. (B. M. 4657 ; R. S. H. xxiiL,: under names of 

 R. elceaynoides and R. talignum.) 



R. L cnloranthnm (yellow-flowered), fl. of a yellowish-green 

 colour, with green spots. (B. M. 4802.) 



R. L obovatnm (obovate-leaved). fl. few, terminal; corolla 

 maroon-purple, lin. in diameter, salver-shaped ; stamens usually 

 eight, rarely ten. May. L pale glaucous-green, iin. to. liin. 

 long, emitting a resinous odour, obovate. A stout or slender, 

 twigjry shrub, forming extended clumps 1ft to 4ft high, branch- 

 ing from a woody, tortuous rootstock. (B. M. 6450.) 



R, Madden! (Madden's).* fl., calyx always small, five-lobed ; 

 corolla pure white, with a faint blush, chiefly on the upper lobe, 

 3 ; in. to 4in. long, and as much across ; tube sparingly lepidoted, 

 funnel-shaped ; limb very large, spreading, of nve rounded, entire 

 lobes ; stamens eighteen to twenty, as long as the tube ; 

 peduncles about three, short and stout June to August 

 I. abundant, elliptic-lanceolate, acute or acuminate, 4in. to Tin. 

 long, gradually tapering to rather short, ferruginous petioles, 

 frequently pendulous ; young ones entirely, perfect ones usually 

 beneath only, clothed with dense, white squamules, which 

 become ferruginous with age. A. 6ft to 8ft Sikkim, 1850. 

 Half-hardy, (k M. 4805; F. d. & 912 ; R. S. H. xviii.) 



R. malayannm (Malayan), fl. nodding. Jin. long, in terminal, 

 few-flowered umbels, on short curved peduncles ; calyx minute, 

 five-toothed ; corolla dull scarlet ; tube iin. long, gibbous at 

 base ; limb flat, horizontal, Jin. to iin. across ; stamens ten. 

 Summer. L Sin. to 4in. long, elliptic or elliptic-lanceolate, 

 acute at both ends, coriaceous, narrowed into a petiole iin. to 

 {in. long, dark green above, red-brown beneath. Branches red- 

 brown. Branchlets, leaves beneath, petioles, pedicels, calyx, 

 ovary, and corolla (sparingly), clothed with red-brown, lepidote 

 scales. Malayan Archipelago, 1854. A large, stove shrub or 

 small tree. (B. M. 6045.) 



R. maximum (greatest). American Great Laurel fl. on viscid 

 pedicels ; corolla pale rose-colour or nearly white, greenish in the 

 throat on the upper side, and spotted with yellow or reddish, lin. 

 broad, campanulate. July. I. elliptic-oblong or lanceolate- 

 oblong, 4in. to lOin. long, very thick, acute, narrowed towards 

 the base, very smooth, with somewhat revolute margins. A. 6ft 

 to 20ft North America, 1756. Hardy shrub or tree. (B. M 

 951.) 



R. m. hybrtdum (hybrid), fl. fragrant, often as large as those 

 of R. ponticum ; corolla pale purplish, with acute lobes. 



