294 
THE DICTIONARY OF GARDENING, 
Rhododendron—continued. 
šin. to 5in. long, pale beneath. h. 3ft. to 6ft. Mountains of 
Southern United States, 1809. Hardy. (B. M. 1671.) 
R. caucasicum (Caucasian).* fl. corymbose ; corolla rose-coloured 
outside, white within, spotted with green at the throat, cam- 
panulate-infundibuliform. August. J, lanceolate, ovate, or 
nearly obovate, slenderly veined above, beneath clothed with 
much-adpressed, ferruginous tomentum, the margins revolute. 
Stems diffuse or decumbent. h. lft. Caucasus, 1803. Hardy. 
(B. M. 1145.) The following are handsome varieties of this 
species : 
R. c. albifiorum (white-flowered). A hybrid with white flowers, 
not so desirable as the type. (B. M. 3811, under name of 
R. c. hybridum.) 
R. c. flavidum (yellowish-flowered). fl. straw-colour, spotted 
with green. 
R. c. Nobleanum (Noble’s). fl. of an intense rose-colour both 
outside and within. J. oblong. 
l. oblong. 
um (very gels Jl. rose-colour. 
“ caucasicum. 
c. pulcherrim’ 
A erin ybrid between arboreum and R. 
(B. R. 1820, 
under name of R. pulcherrimum.) 
R. c. stramineum (straw-coloured). A. straw-colour, fulvous- 
spotted within. Z. oblong. (B. M. 3422.) 
(Chamæcistus). A synonym of Rhodothamnus 
Chamæcistus. : 
R. — sage (Champion's). fl. white, tinged with delicate rose- 
colour, or white with the upper lip pale yellow towards the 
centre, and — dotted with ochre; calyx hispid, deeply 
cleft into four rather long segments ; corolla 4in. across, the tube 
rather short, campanulate; stamens ten; umbels four to six- 
flowered ; uncles hispid. April. J. shortly petioled, lanceo- 
late, sho — reticulated, flat, dark green above, rust; 
beneath, where the margins, costa, and veins, are clothed wit 
short, bristly hairs. h. Tft. Hong Kong, 1881. (B. M. 4609.) 
R. ciliatum (ciliated).* /l. pale reddish-purple, inclined, in three 
to many-flowered, terminal heads ; sepals veined, ciliated ; corolla 
l1jin. long, and nearly as much across; tube rather contracted 
below; limb of five lobes, the upper one obscurely spotted. 
May. J. elliptic, acuminate, coriaceous, 2in., rarely din., long, 
sometimes obscurely cordate at the base; upper surface 
(except in age) pilose, even villous when young ; beneath quite 
— covered with minute, ferruginous scales. h. 2ft. 
ikkim. A small, more or less pilose or setose, hardy, rigid 
species. (R. S. H. xxiv.) 
R. c. roseo-album ———— jt. white, tinged with rose, 
larger than in the type. (B. M. ) 
R. cinnabarinum (cinnabar-red).* i. rather small, nodding, 
usually four to eight in a loose head; calyx segments of various 
sizes; corolla brownish-red, with a long vibes the lobes rounded, 
spreading, and slightly acuminated; stamens ten, included. 
pril and May. J. ovate or oblong-lanceolate, acute at both ends, 
2in. to Sin. long, lin. wide, dull n above, ferruginous beneath. 
Branches slender. Sikkim, 1, Half-hardy, (R. 8. H. viii.) 
R. Ròylei (R. S. H. vii.) is nearly allied to this. : 
R. citrinum (citron-coloured). f. drooping, fragrant, rather 
_ small, umbellate ; calyx shortly five-lobed; corolla pale lemon- 
colour, more than jin. long, campanulate ; limb of five nearly 
erect, retuse lobes ; stamens five, included ; anthers deep orange. 
May. J. on short petioles, spreading, the largest not more than 
2in. long, elliptic-oblong, obtuse, glabrous, coriaceous, dark green 
above ; pepe (ie and dotted with minute, pale-greenish 
scales. Java, . A small, stove species. (B. M. 4797.) 
R. Clivianum (Duchess of Northumberland’s),* fl. white, slightly 
tinged with pale pink, especially on the ec! aad within, pro- 
fusely dotted with light purplish-red. A hybrid, believed to have 
bons — sh R, — catawbiense. It is a 
rfectly hardy, strong-growing plant, but is well worthy of 
Protection while in flower. (B. M. 4478.) 3 
. R. dahuricum (Dahurian).* fl. rose-coloured, solitary or in 
twos or threes at the tips of the branches, on short pedicels ; 
calyx very shortly or scarcely five-toothed ; corolla rotate-cam- 
panulate, not lepidoted. March. L oval-oblong, mucronulate, 
—— lepidoted, paler beneath, deciduous. Ah. 3ft. Dahuria, 
780. An erect, hardy species. See Fig. 367. (A. B. R. 4; 
B. M. 636; L. B. C. 1605.) 
R. d. sempervirens (evergreen). /l. of an intense purple. 
l. persistent, dark green. (B. M. 1888; B. R. 194, under name 
of R. d. atrovirens.) 
Dathousiz (Lady Dalhousie’s).* Epiphytal Rhododendron. 
J. lemon-scented, three to seven in an Soibellads head, the 
spread of which is greater than that of the leaves; calyx 
large, deeply divided into five foliaceous lobes; corolla white 
with an occasional tinge of rose, 34in. to 44in. long, and as broa: 
at the mouth, campanulate, much like that of Lilium candidum ; 
lobes very broad, waved, spreading; stamens ten; peduncles 
to July. Z. few, patent or reflexed, 
st nearly jin. long, Aj 
petidlate, shin. to as: long, elliptic-obovate, obtuse at base, 
attenuated w into a more or less downy footstalk about 4in. 
long, darkish-green, ng to yellow above, beneath paler. 
Stems clothed bark. Branches spending A 
whorled. A. 6ft. to Bft. ; A straggling, half-hardy 
Rhododendron—continued. 
epiphyte, especially found on Oaks and Magnolias. (B. M. 4718; 
PA Narn R. S. H. i. ii.) 
R. D. hybridum (hybrid). A hybrid between R. Dalhousie and 
R. formosum. The flowers are as large as those of the former, 
but have derived a tinge of pink from R. formosum ; the ciliated 
calyx also — hat of the latter species, while the leaves 
are intermediate in size, and quite glabrous. (B. M. 5322.) 
R. Edgeworthii (Edgeworth’s).* f/f. showy, inclined; cal 
large, of five deep, spreading, coloured lobes, very downy on the 
back, the edges finely ciliated ; corolla white, often tinged with 
blush or pale yellow ; tube rather short, widening much at the 
mouth; limb more than 4in. across, spreading, of five nearly 
equal lobes ; stamens ten ; peduncles terminal or axillary, usually 
two or three together. May and June. J. 2in. to 4in. long, 
ovate-lanceolate, acute or suddenly acuminate, obtuse at base, 
the margins recurved, the upper surface singularly wrinkled from 
impressed, reticulated veins; petioles about jin. long. Sikkim, 
1851. Shrub with straggling branches, often pendulous upon 
trees and rocks. The flowers are so fragrant that a few are 
— — a large room. (B. M. 4936; F. d. 8. 797-8; 
A A: a oo i 
R. eximium (choice). A synonym of R. Falconeri. 
f 
FIG. 367. FLOWERING BRANCH OF RHODODENDRON DAHURICUM. 
Falconeri (Dr. Falconer’s).* f. white, numerous, rather small, 
densely placed in small, globose heads; calyx very minute; 
corolla of ten rounded lobes; peduncles erect, elongated after 
flowering. May. l very coriaceous, 8in. to 12in. long, din. to 
Tin. wide; upper side glossy-green, fading to yellow on the 
margins, which are quite plane ; beneath, except on the midrib 
and reticulated veins, clothed with short, dense, pale ferru- 
ginous down; young leaves velvety-downy. Trunks two or three 
from the same point, often 2ft. in diameter. A. 30ft. Sikkim, 
1850. Half-hardy tree. (B. M. 4924; F. d. S. 477-80; R. S. H. x.) 
Syn. R. eximium. 
R. Farreræ (Mrs. Farrer’s). fl. of-a pale lilac-rose colour, ter- 
minal; calyx very shortly five-lobed ; corolla campanulate, the 
lobes spreading and undulated. March. J. coriaceous, ovate, 
obtuse, mucronulate, slightly attenuated at base, reticulate- 
veined, hairy on both sides, the margins slightly recurved and 
ciliated ; petioles, as well as the branchlets, villous-pilose. h. 3ft. 
China, 1 Hardy. (S. B. F. G. ser. ii, 95.) 
R. fe eum (rusty-leaved).* Alpine Rose. fi. of a beautiful 
scarlet colour, marked with ash-coloured or yellow dots, disposed 
in umbels ; calyx lobes tive, short, obtuse ; corolla funnel-shaped. 
May to July. 1. oblong, attenuated at both ends, glabrous and 
shining above, thickly beset with ferruginous dots beneath, and 
much resembling those of the Box-tree ; when young, ciliated, 
with a few hairs beneath. h. lft. Europe, 17! Hardy. 
(J. F. A. 255; L. B. C. 65.) 3 
R. f. albiflorum (white-flowered). A variety having white 
flowers. (S. B. F. G. ser. ii. 258, under name of R. f. album.) 
R. formosum (beautiful).* A. few, terminal ; calyx small, scarcely 
lobed ; corolla white, slightly tinged with purple and yellow, 
