RHODODENDRON 



KHODOLEIA 



1.125 



shrub: Ivs. lanceolate, acuminate, glabrous, pale beneath, 

 4-7 in. long: fis. many, caiiipanulate, bright scarlet, 2 in. across. 

 Himal. Vnr. latifolium. Hook. Lvs. broader, oblong lanceo- 

 late, glandular pubescent beneath when young. B.M. 5 129. 11. 

 AV/< v.v". W. Wats. Hybrid of R. Griffithianum and Hookeri. 

 Fls large, in loose heads, crimson, pink or almost white. Gn. 

 42:885: 52:1139. (r.O. III. 23:291.-.R. AV-jym, Nutt, Shrub, 

 2-ti ft. higli, with ferrugineous branches: Ivs. elliptic-lanceo- 

 late, glabrous, pale and sparingly scaly beneath, 3-4 in. long: 

 fls. many, tubular, with short erect lobes, brick-red, 1 in. long. 

 .July. Hlmal. B.M.4875. P. 8.11:1110. Gt. 12:415. Gn. 48,p.l06. 

 R. Kotschyi, Simk.(R.myrtifolhim,Schott&Kotschy,not Lodd.). 

 Low shrub: Ivs. oblong-obovate, obtuse, mucronulate, shining 

 above, ferrugineous-lepidote beneath, /^-l in. long: fls.few.tubu- 

 lar-t'unnelform, with the tube outside pubescent, inside villous, 

 carmine, :I <J in. long: style shorter than ovary. lnly. Carpathian 

 Mts. Gn. 56, p. 159. Reichenb. Ic. Plor. Germ. 17:1157, figs. 2,3. 

 R. lacteum, Franca. Tree: Ivs. cordate, ^elliptic-ovate to- 

 mentulose beneath: fls. in dense heads, broadly campanulate, 

 6-lobed, white, 1 in. across. Yunnan. It. landtuin. Hook. f. 

 Shrub or small tree: Ivs. obovate to obovate-oblong, with 

 tawny woolly tomentum beneath, and also above when young, 

 3-5 in. long: fls. 6-10, broadly campanulate, yellow, spotted red 

 within, '2-2% in. across. Himal. F.S. 7:684. R.H. 1855:161. 

 Almost hardy. .R. lancifblium, Moench = R. Pontieum. R. 

 lancifblium, Hook, f . = R. barbatum. R. Lappfmicum, Wahl. 

 Depressed shrub; Ivs. oval or oblong, obtuse, %-% in. long: 

 fls. 3-6, broadly campanulate, purple, % in. across; stamens 

 5-8. July. Mts. of N. Amer., N. Eu., N. Asia. B.M. 3106. 

 Hardy. R. ledifoliinn, Don Azalea rosmarinifolia. R. lepi- 

 ddtum, Wall. (R. elseagnoides, Hook. f.). Slender shrub, 4 ft. 

 high: Ivs. obovate to lanceolate, glaucous-green, lepidote be- 

 neath, %-l/4 in. long: fls. 1-3, sometimes many, slender-pedi- 

 celled, broadly campanulate, yellow or dull purple, spotted 

 within, % in. across; stamens usually 8. Himal. B.M. 4657. 

 Gn. 15:159. G.C. II. 22:297. Var. chloranthum. Hook. (R. salig- 

 num, Hook. f.). Fls. greenish or pale yellow, spotted greenish: 

 Ivs. narrow. Var. obovatum, Hook. Fls. dark purple, larger: 

 Ivs. obovate. .K. leucdnthum, Bunge = R. rosmarinifolia, var. 

 alba. R. linearifblium, Sieb. & Zucc. = Azalea linearifolia. 

 R. Lobbi, Veitch. Slender shrub, allied to R. Malayanum: Ivs. 

 elliptic-oblong: Us. almost salver-shaped, with slender, curved 

 tube, bright crimson. Winter. Borneo. The R. Lobbianum, 

 T. Moore (F.M. 1:10), belongs to R. Brookeanum. R. Lus- 

 combei, W. Wats. Hybrid of R. Fortune! and Thomsoni. Fls. 

 large, rose-red to crimson. R. macranthum, Don = Azalea 

 Indica, var. macrantha. R. macrocdrpos, Griff. = R. Dal- 

 housise. R. inacrosi'palnm, Maxim. = Azalea macrosepala. 

 R. Mdddeni, Hook. f. Shrub, to 8 ft.: Ivs. elliptic-lanceolate, 

 ferrugineous-lepidote beneath, 4-7 in. long: fls. 3, funnel- 

 shaped, white, faintly blushed, to 4 in. across: stamens 18-20. 

 Himal. B.M. 4805. F.S. 9:912. R.H. 1855:.'i01. I.H. 4:140. Gt. 

 9:277 (as R. Jenkinsi). R. Malayanum, Jack. Small shrub or 

 small tree: Ivs. elliptic-lanceolate, red-brown-lepidote beneath, 

 3-4 in. long: fls. few, salver-shaped, dull scarlet, % in. long. 

 Winter. Malacca, Java. B.M. 6045. R. Manglesi, Hort. Hy- 

 brid of R. Griffithianum and R. hybridum album elegans. Fls. 

 large, white, spotted. G.C. 11.24:49; III. 12:767. .R. modestum, 

 Hook. f. Small shrub, glabrous: Ivs. elliptic-oblong, greenish 

 yellow and lepidote beneath. 2-3 in. long: fls. 6-10, broadly 

 fuiinelform, pale pink, spotted red within, 1% in. across. 

 Himal. B.M. 7686. R. m6lle, Sieb. & Zucc = Azalea Sinensis. 

 R. Moulmainense, Hook. Shrub: Ivs. elliptic-lanceolate, 

 glabrous, 4-5 in. long: fls. many, white, funnelform-campanu- 

 hite, l%-2 in. across. Himal. B.M. 4904. R. multicolor, Miq. 

 Small, slender shrub: Ivs. whorled, narrowly elliptic-lanceo- 

 late, 2-3 in. long; fls. few, funnelform-campanulate, 1 in. long, 

 yellow or dark red. Winter. Sumatra. B.M. 6769. Tender. 

 The red-fld. form is distinguished as var. Ourtisi, Hort. Gn. 

 f> ( i, p. 62. R. my rti folium, Schott & Kotsehy, not Lodd. = R. 

 Kotschyi. R. niveuin, Hook, f.. Small shrub, allied to R. 

 campanulatum : Ivs. obovate-oblong, whitish tomentose all 

 over at first, later glabrous above, 3-6 in. long: fls. broadly 

 cimpanulate, light rose-lilac at the base, within with 5 purple 

 spots, 2 in. across. Himal. B.M. 4730. Var. fulva, Hook. Lvs. 

 light brownish tomentose; fls. deep purple-lilac. B.M. 6827. 

 R. Nobleanum, Lindl. Hybrid of R. arboreum and Caucasicum. 

 Fls. rosy crimson. B.R. 21:1820. R. nudiflbrum, Torr.= 

 Azalea nudiflora. R. Nuttalli, Booth. Shrub, sometimes epi- 

 phytal, or tree 30 ft. high: Ivs. elliptic-oblong, reticulate, pale 

 and lepidote beneath, 6-12 in. long: fls. 4-12, broad funnelform, 

 white, tinged yellow within, fragrant, to 6 in. across; calyx 

 large. Himal. B.M. 5146. F.S. 13:1326-27. Gn. 54, p. 106. G.C. 

 II. 20:49; III. 12:436 (suppl.). R. occidental. Gray = Azalea 

 occidentalis. R. oboratum. Hook. f. = R. lepidotum, var. obo- 

 vatutn. R. obtfisum. Planch. = Azalea Indiea, var. obtusa. 

 R. ovdtum, Planch. = Azalea ovata. R. parvifblium, Adams. 

 Shrub, 3 ft. high, allied to R. Lapponicum, but larger: Ivs. not 

 revolute at the margin, larger: fls. larger, purple or white; 

 style much longer than stamens. Sibir., Kamsch., Japan. Gt. 

 26-.904.7?. pendulum. Hook. f. Slender shrub. 4 ft. high: Ivs. 

 elliptic to oblong, acute, ferrugineous-tomentose beneath, 

 \Y-rl in. long: fls. few, broadly campanulate, white, about lin. 

 across. Himal. F.S. 7:662. G.C. II. 17:429. R. Przewdlskii, 

 Maxim. Allied to R. brachycarpum, but Ivs. glabrous and pale 

 green beneath: fls. white, spotted purple within. China. 

 Hardy. R. pulcherrimum, Lindl. Hybrid of R. arboreum and 



Caucasicum. Fls. pink, paler in center, spotted. B.R. 21:1820. 

 R. racembgum, Franch. Small upright shrub: Ivs. elliptic! 

 glaucous and lepidote beneath, %-1/^in. long: fls. from axillary 

 buds, crowded toward the end of branches, camiiamilatc, light 

 pink, ;': t -l in. across, slightly fragrant. Yunnan. H.M.7301. 

 (in. 42:878. G.C. III. 12:63. A', r.titxin,,, Bennett. Shrub, 2ft. 



. . . , . . 



rlwiitbii-iini, Miq. = Azalea rhombica. R. Rollissoni, Past. 

 Small tree, 30 ft. high, allied to R. arboreum and probably va- 

 riety: Ivs. oblong, wrinkled above, tawny-tomentose beneath: 

 fls. in a dense head, campanulate, deep blood-red. Ceylon. 

 P.F.G. 1:7. B.R. 29:25. R.Rocellii, Leroy. Hybrid of R. ar- 

 boreum and Dahuricum. Fls. rich crimson. R.H. 1868:190. 

 R. Roylei, Hook. = R. cinnabarinum, var. Roylei. R. Id- 

 anum. Sweet. Hybrid of R. arboreum and Catawbiense. Fig. 

 rosy crimson. S.B F.G. II. 1:91. R. rubiiiinbsunt, Franch. 

 Rigid shrub, 3 ft. high: Ivs. oval to oblong-lanceolate, densely 

 ferrugineous lepidote beneath, 2-3 in. long: fls. few, broadly 

 funnelform, bright rose-red, 1% in. across. Yunnan. B.M. 7621. 

 R. talignum, Hook. = R. lepidotum, var. chloranthum. R. 



. . 



fls. broadly campanulate, blush, 154 in. across. Yunnan. B.M. 

 7159. R. Schlippenbachi, Maxim. = Azalea Schlippenbachi. 

 R. sfmibarbatutn, Maxim. = Azalea semibarbata. R. serpyl- 

 lifoliuin, Miq. = Azalea serpyllifolium. .R. Sesttrianum, Hort. 

 Hybrid of R. Edgeworthi and formosum. Fls. large, white. 

 R. Shepherdii, Nutt. Shrub: Ivs. oblong-lanceolate, glabrous, 

 pale beneath, 3-4 in. long: fls. in a dense head, campanulate, 

 deep scarlet, 2 in. across. Himal. B.M. 5125. R. Shilsoni, 

 Hort. Hybrid of R. barbatum and Thomsoni. Fls. dull red. 

 Gn. 57, p. 261. R. Sinense, Sweet = Azalea Sinensis. R. 

 Smirnowi, Trautv. Shrub or small tree, 20 ft. high : Ivs. ellip- 

 tic-oblong, grayish white-tomentose beneath, 3-5 in. long: fls. 

 in a compact head, broadly funnelform, rosy-lilac, spotted 

 within, 3 in. across. Caucasus. Gt. 35:1226. B.M. 7495. R.H. 

 1899:500. G.C. III. 20:15. Hardy. R. Smithii, Sweet. Hybrid 

 of R. arboreum and Ponticum. Fls. rosy purple. S.B. F.G. II. 

 1:50. R. Smithii, Nutt. ^R. barbatum. var. Smithi. R. leys- 

 mannii, Miq. Closely allied to R. Javanicum: Ivs. more shining, 

 not lepidote beneath : fls. somewhat smaller, pale lemon-yellow. 

 Sumatra, Java. R. Thomsoni, Hook. f. Shrub, 15 ft. high; 

 Ivs. obovate-oval, glabrous, glaucescent beneath, 2-3 in. long: 

 fls. 6-8, campanulate, deep blood-red, 2 in. across; calyx large. 

 Himal. B.M. 4997. R.H. 1855:121. F.S. 7: 688-690. -.R. triflb- 

 rum, Hook. f. Shrub, 6 ft. high: Ivs. ovate-lanceolate, glau- 

 cous beneath and with ferrugineous scales, 2-3 in. long: fls. 

 mostly 3, slender-pedicelled, broadly campanulate, greenish 

 yellow, 2 in. across. Himal. F.S. 7:673. G C. II. 18:45. J.H. 

 III. 30:193. JZ. Tschon6skii, Maxim. = Azalea Tschonoskii. 

 R. tubifldrum, DC. = R. Malayanum. R. Ungerni, Trautv. 

 Closely allied to Smirnowi, but fls. white: calyx with longer, 

 narrower lobes. July. Caucasus. Gt. 35:1226. R. Vateyi, 

 Gray = Azalea Vaseyi. R. Veitchidnum, Hook. Shrub. 6 ft. 

 high: Ivs. obovate, glaucous beneath and with scattered fer- 

 rugineous scales, 3-4 in. long: fls. 3-5, broadly funnelform, with 

 crisped lobes, pure white, 5 in. across. Himal. B.M. 4992. F.S. 

 14:1416. A.F. 11:145. Gil. 51, p. 178 R. ventistum, Sweet. Hy- 

 brid of R. arboreum and Caucasicum. Fls. rich pink. S.B. F.G. 

 II. 3:285. R. virgdtum, Hook. f. Slender shrub: Ivs. oblong- 

 lanceolate, glaucous and scaly beneath: fls. 1-2, from axillary 

 buds at the end of branches, funnelform, rose-colored, 1% in. 

 across. Himal. B.M. 5060. F.S. 14:1408. Var. album, Hort. 

 Fls. white. R.H. 1866:251. R. viscbsum, Torr. = Azalea vis- 

 cosa. R. Wlghti, Hook. f. Shrub, attaining 14ft.: Ivs. obo- 

 vate-oblong, cinnamomeous-tomentose beneath, 6-8 in. long: 

 fls. many, campanulate, yellow, spotted red within, 2% in. 

 across. Himal. F.S. 8:792-93. R. Tunnanense, Franch. Up- 

 right shrub: Ivs. elliptic-lanceolate, ciliate, pilose above, pale 

 and sparingly lepidote beneath, 2-3 in. long: fls. few, funnel- 

 form, white, spotted blood-red, 2 in. across. Yunnan. B.M. 7614. 



ALFRED REHDER. 



RHODOLElA (Greek, rose and smooth; alluding to 

 rose-like fls. and smooth stem). Hamamelidacece. A 

 genus of 2 species of small tender trees, one from China 

 and the other from Java and Sumatra. Lvs. evergreen, 

 glabrous, long-stalked: fls. about 5 together in a com- 

 pact head, having the appearance of a single flower sur- 

 rounded by bracts, hermaphrodite; petals of each flower 

 turned toward the circumference of the head ; stamens 

 7-10: ovary of 2 carpels united at base ; capsule several- 

 seeded. 



Champion!, Hook. A tender tree: Ivs. shining, coria- 

 ceous, usually ovate, 4-5 in. long ; petioles l>-2 in. 

 long: fl.-heads resembling a semi-double Camellia, \% 

 in. across, bright pink, each head surrounded by several 

 rows of imbricate bracts: petals 15-20 to each fl.-head. 

 China. B.M. 4509. -Cult, in S. Calif. 



F. W. BARCLAY. 



