1522 



RHODODENDRON 



RHODODENDRON 



AA. FoJiiidc h'i)iiliitf ur ,i/<nidi(li> r, panulate with oval lobes, purple, spotted brownish with- 



ron'li/ iiKire llmii .>' //'. hnni: in, about 2 in. across: ovary glandular. May, June. 



iuui rij Irn'nlofr . Lt ji i <! n rJindi II ill . Spain, Fortugal, Asia Minor. B.M. (ioO.— This specits 



B. CiiroU'i irilji ri/// iiih'ir tit hi', IS less hardy than the tw<.» ]>re('(Mling and now rarely 



thriiw lis I'linj us h'hrs 11. jasiiiiiiinoruin found in cultivation in its typical form. Var. Album, 



BB. Coroll'i ni ih I'll niil<iir " r fiiini,!- Hort., lias wliife tiowers. There are also vars. with va- 



fnriii : J-ihcs IIS h'lui or f trice riegatcd and one with purplish leaves. 



as 1.1111/ OS /iilir. 5. azaleoides, Desf. (i?. friigrans, Hort. i?. odoriltnw , 



c. Lrs. jirrsis/i'iit: cnilla hj>i- Hort.). Hybrid between Id. Ponticum and Azalea nu- 



ili./r oiifsi.lr. diflora. Shrub, a few ft. high: Ivs. leathery but thin, 



V. Slijli: hii I'llji tii-K-r 'IS h'lii/ elliptic to oblong, acute at both ends, dark green above, 



us oriirji, sJiurtcr fJiKii paler beneath, sometimes pubescent wlien young: fls. 



stmiirns: i r s . o f / <■ n funnelform-carapanuhtte, pinkish or whitish, fragrant, 



slliihl Iji i:iriiiiJ''t>'. l'-2-2 in. across; calyx with ciliate loI)es. May, June. 



E. The Jrs. irithottt hairs.Vl. ferrugineum —Of garden origin. There aremany allied forms of sinii- 



EE. Till' h's. oliii/r IM. Mrsutum ]ar origin described under different names. The name 



DD. St If I r at hasf lltrii-i' us Imiij Azaleodendron has been proposed as a generic name for 



as ovarii. the hybrids between Azalea and Rhododeudrou. 



E. Fix. in„k or ,rhU,: 14. punctatum g arbdreum, Smith. Fiff. 2112. Large shrub or tree, 



li;' mvrtifolium attaining 40 ft. : Ivs. oblong to lanceolate, acute, rugose 



„, ,7, ,-^' irJ;„v„; above, distinctly veined and v?hitish or ferrugineou.s- 



EE. Fh pale iiHU„r.. 1,. Keiskei tomento.se beneath, 4-6 in. long: clusters dense, pedi- 



CC. JjV!,. (lemlHou^ 0, .■.emi'iii'i- ^^^^ short: calyx minute; corolla campanulate, hlood- 



'V'/ '" is'7<''- «" n" I ,''ir'h '^'^^' P™'^ "'' "'•''**'' usually spotted, 1-1?^ in. across: 



t c 0(f .s(( ''. ^- ' ' ' ■'' "" ■' ovary ferrugin eons -woolly or mealy, usually 7-9-celled. 



vn,pruui(ron,l.,l.rall-n,l Mardi-May. Hiraalaya.s; B.R. U:890. pflM. 1:101.- 



'""■',"' ""' '""•' "',„ ,„„„i„t„™ Var. ilbum. DC. (7i'. «/^y»JH, Sweet, not Blume). Pis. 



linnu-iK's J8. mucronulatum ,., ^^ i i i ^ ■ i , 



10 Tlflhiirinum white, spotte.l purple: Ivs. ferrugineous beneath, 



'o nrEecox S.B.F.G. 5:148. Var. cinnamomeum, Lindl. Fls. white, 



" ■ P slightly blushed, darker spotted than the preceding: 



1. Califbrnicum, }I"nk. Shrul), 8 ft. high, somelimes Ivs. cinnamon-brown beneath. B.R. 23:1982. Var. lim- 

 to 20 ft., glabrous: Ivs. oblong, shortly acuminate, pale b^tum, Hook. Fls. with rosy limb and white thro:it, 

 green beneath, 3-6 in. long, sometimes crowded beneath blotched ijurple at base: Ivs. white beneath. B.]\l. 

 the fls.: clusters many-lid.: calyx minute; corolla 5:ill. Var. Kingi&num, Hook. (iJ. A'jnf/iV)H?()», Watt. i. 

 broadly campanulate, with oval crisped lobes, rosy pur- Shrub: Ivs. broader, strongly buUate, very dark: fls. 

 pie or pink, paler towards the center, spotted yellow deep scarlet; filantents rose-colored ; calyx larger. O.V. 

 within, about 2 in. acros.s, rich carmine in bud; sta- 111. 26:H00. Var. Nilagiricum, Clarke. Fls. rose-colored 

 mens 10, witli puri)le anthers: ov:iry with appressed to deep crimson, s])otted: Ivs. ferrugineous beneath, 

 silky hairs. May, .lune. Calif, to Ore. B.M. 4863.- B.M. 4381. Gn. 36:710. Var. puniceum, Dc. Fls. purple 

 Var. Washingtonianum, Zabel (7/. Washingtoniiinnm or scarlet: Ivs. white beneath. Var. Windsorii, Voss 

 and prnbably /i'. ('a lifoDnr/i III , var. maxiuiiiw , Hort.}, [R, Windfiorii, Nutt. ) . Fls. deep crimson-scarlet; 

 is not niii'-h different, but has yellow anthers; it has calyx with elongated lobes: Ivs. white beneath, 

 provi'd as hardy as 7t'. Catawhiense. B.M. .^008. 



2. Catawbi6nse, Pursh. Figs. 2109, 2110. Shrub, 6 ft. 7. Cauc4sicum,Pall. Dense low shrub, 2 ft. high, often 

 high, rarely 20 ft.: Ivs. rounded at base, oval to oblong, with procumbent branches: Ivs. oval-ol:)long or narrow- 

 usually obtuse and mucronulate, glaucous beneath, 3-5 



in. long: clusters many-fld. ; pedicels rusty pubescent: 



corolla broadly campanulate, with broad roundish lobes, 



lilac-purple, about 15^ in. across : ovary rusty tomen- 



tose. June. Va. to Ga., in the mts. B.M. 1671. L.B.C. 



12:1176. — One of the most beautiful of native shrubs, 



covering extensive tracts of land in the southern AUe- \ \iy \ \ 



gbanies. Hardy as far north as New England. \^ "^\\/f ^'/V l-^ 



3. miximum, Linn. Great LaureIj. Fig. 2111. /^^*W^«/' //P' / / 



Shrub or sn:iail tree, attaining 3.5 ft.: Ivs. j|^^w!wl]li'l /// /) / / 



mostly acute at base, narrow-oblong or r^tilWv™ 



lanceolate-oblong, acute or shortly acumi- x ^\ Ili'^XsT^lLi ///; 



nate, whitish beneath, 4-10 in. long: clus- s \ \ \ {ftlmlmlif / / // 



ters many-fld. ; pedi<'els viscid : caIyx-lol)es \ ^ \ ^ \ t l&iw^ 



oval, as long as ovary; corolla camp.anulate, V Vj,_, g L;.,__,: : :^-^ ^^^^MHiM/^^ ^^ \ \ '■ \ \" 



deeply .5-lobed with oval lobes, usually rose- _ — "/^ //^ ~'~^^^^^^^^iMr X^^'^^^~^^ \ 



colored, spotted greenish witiiin, about 13^ ^^ ^^ ^^s^ T, ^^Sr /,^ ^-^ 



in. across: ovarv glandular. .June, Julv, ■ / / //«r 



N. S. and Out. to Ga. B.M. 9.51. Em. 2:43'5. ^ ^''- 



Mn. 1:1 and 3, p. 22. D. 16. -This is one of 



the hardiest species, being hardy as far 



north as Quebec and Ontario. Three vars. 



have been distinguished: var. dlbum, Pursh / - ' i| \ \ IJ 



(R. Pi'irshii, Don), with white fls.; var. 



purptireum, Pursh {R. purpiireum, Don), 



with jiurple fls., and var. rbseum, Pursh, 



with pink flowers This species and the 2109. Flower-bud of Rhododendron Catawbiense ( X %). 



.ark nla'liTinrid t?kPn r''^'^^ "''f ? '''""« '™'"* ""^ lull-formed in (he fall. Unless these large fcnui,,;! buds are 

 fr.™" tl *= , ri J ^^' car-loads produced, the bush mil not bloom the following spriug. 



from the woods. If properly handled and 



taken from a turfy soil with a suflicient ball of e.arth elliptic, acute, dark green above, ferrugineous tomen- 



around the roots, they are usually .successfully trans- tose beneath, 2-4 in. long: clusters 7-10-tld. ; pedicels 



i' paV,«,.„„ t- o, V ,„ ^^ , . , short: calyx minute; corolla funnelform-canipanulate, 



4. P6nticum Lmn. Shrub, 10 ft. high : Ivs. elliptic with craarginate rounded lobes, pink to yellowish white, 

 ter. , '• fl'i '""! - ff" beneath, 3-5 in. long: clus- spotted greenish within, IM in across. June, July. 

 ters niany-fl,l.; pedicels longer than fls.: calyx-lobes as Caucasus. B.M. 1145. -A .Iw.arf, quite hardy species; 

 longasovary, the lower ones half as long; corolla cam- Late-tloweriug. Var. Jlividum, Kegel. Fls. ",straw-col- 



