600 XCIII, ERICACE^, [Rhodore<^. 



5-20 locularisj aepticide ab apice 5-20-valvjs, valvis ab axi placentifero solutis, polysperma- 

 Semina scobiformiaj nucleo parvo oblongOj testa reticulata utrinque in appendiculam sa^pe 

 laceram prodiictaj albumine canioso ; embryo cylindraceus. — Fnitices v. fmticiili rariiia 

 arbores, glabri pubescentes tomentosi v- lepidoti, ramiilis non raro verticillatis- Folia 

 alterna, sa^pius ad apices ramuloruni confertaj integerrima^ coriacea, rariua membranacea, 

 annua v. biennia. Flores majusculiv. ampli, ssepius in corymbos interdum subracemosos 

 terininales multi- paucifloros dispositij rarius axillares v. solitarii. 



Species ad 130, montium EnropEe, Asise, Archipelagi Malayani et Americae borealis incolte, siepe 

 gregarise^ maxima copia in Himalaya vigcntes. DC. Prod, vii, 710 {Tikododendron et Azalea), 

 Walp. Rep. ii. 729 ; vi, 420; Ann, u 481 ; ii, 1117; v, 445, 446 {Rhododendron ei Azalea). Hook. 

 /. Rhod. Sikk. Hivial. 1849 cum lah. 30. Maxim, Rkod. As. Or. 1870, cimi tab. 4. 



Gemis polymorphum, in Bfctioncs bene limitatas difficibime dividendum. Species a Maximovitzio 

 1. c. ad characteres vegetationis orJinatae in diTisioiies seqnentes distribimntnr: 



A, InflorescenUa terminalis, e.gemma propria perulata, foUis in axi florifero nullis. Innovafiones 

 infra ftores orimidm, _ 



Series 1. Enrhodothndron^ Maxim, ArborfS friiticesve foliis persistentibus, Gemmse florid^ 

 aphyll^e multitiorae, ante anthesin saepius oblongse v, ovoidese, squamis multij^eriatis, interioribus 

 ea^pius^ longiuribus, CopoUse faux glabra, linibns o-10-lobas. Stamina 10~20. Ovarium 5-18- 

 loculare, G^rtn, Fr^cct, ^,63. Hook. f. in Joum. H/yrt. Sac. vii. 76 {excL sp.) et Shod. Sikk. 

 HimaL passim. Wight, JUustr. 1. 141, l^ntt. in Hook. Kew Joum. v. 353. 



Sabserics I_ Calyx obsoletus. Corolla campanulata, 10-luba. Stamina 10-20. Ovarium multi- 

 loculare. ArI>OTes Himalaicfe. Wight, Ic. t. 1202. Bot. Mug. t. 4024, 5054, 5552. 



R. Meiternichii, Sieb. et Zucc. FL Tap, 23, t. 9 (HYiiENANTHK, Blume.Bijdr, 862) corolla 5-7 -loba 

 et staminibus 10-20 inter subseries 1 et 4 ambigit, 



S^(J)series 2. Calyx cupularis v. diseoideus. Corolla campanulata, 5-loba, Stamina 10-16. 

 Ovarium 6-16-locxUare, Arbores et frutices Himalaici et Chinenses, Wight^ Ic. i, 1203. Bot. 

 Mag. t. 4926, 4997, r>065, 512o/5d96, 



Stihseries %. Calyx fuliaceus, S-parrttus. Corolla campanulata v, infundibtdiformi-campannlata. 

 Bt^^mina 10-18. Ovarium 5 -lO-Iocblare. Frutices Asiatici et Amcricani. Bot. Mag. t, 1671, 4648, 



4718, 5008, 5120, 5146. 



Subseries 4. Calyx parnis, 5-dentatus v. obsoletus. Corolla infundibidarrs v. campanulata, 

 6-loba, Stamina sfepitrs 10, Ovarium 5-10-Ioculare, Frutices rarissime arbores, Asi^e tropicas 

 temperatse et frigidse Ar^ipelagi Malayani et Amerias borealis incolflf^. Wight, Illustr. t. 140 ; Ic. 

 L 120L Miq. in AnnJMus. Lugd. Bat. i. t. 1. Bot. Mag, t. 3290, 3825, 5311, Hie includuntur 

 species perplurlmje qiiarum typus est R. arhormmiy Sm, 



Subseries 6, Calyx 5-lobu3 v, -dentatus dente supremo non rare elongato. Corolla infundibulari- 

 camj)aiiulAta. Stamina 10-20. Ovarium 5-10-loeulare, Florea in capitulo ssepis^ime pauci, inter- 

 dnm ob innovationes infra gemmam floriferam evolutas- demum quasi laterales, Frutices Asiatici 

 quibus includenda R. fornwsicm. Wall. PL As, lUr. t. 207, Bot- Mag. t. 4457, R. Maddeni, Hook, f, 

 iot. Mtig. t. 4805,-^' cahphtjllv.m, Nutt., Bot. Mag. t, 5002, R. cinnaharinum, Houk. f,, Bot. Mag, 

 t 4788, R- Blandfordi^jlerxim, Hook. f. Bot, Mag. t. 4930, R. KdgewortKii, Hook, f., Bot. Mag. t, 



4936 aliaque, 



Subseries C. Calyx amplus, 5-partitus, subfoliacens. Corollas tubus brevis, lobis conca-^-is pa- 

 tentibus. Stamina 10, filamcntis brevibus ; antherse breves, conniventes. Ovarium 5-10-loculare, 

 Capsula globusa, Frutices Himalaici sa>pe fpipliytici, gracilcs, penduli, Flores solitarii v, pauci, 

 ob innorationes infra gemmam floriferam evohitas demum quasi laterales. Sic includenda Z?, ca- 

 melli(efiorum. Hook, f,, Bot. Mag. t, 4932, R. pendnlum. Hook. f. Eliod. Sikk, Himai. t. 13. 



Subseries 7, Calyx obsoletus. Corolla hypocraterimdrpha. Stamina 10, filamcntis sequalibus 

 inclusis ; antherae breviter exsertae, breves, in annulum conniventes. Species PeniDsnlae Malayanae 



et Javae incolse. Bot, Mag. t. 4524, 4935, 



Snhseries 8. Calyx obsoletus; CoroUa 'tubnlosa, 'tabo incurvo, limbo 5-lobo patente. Stamina 

 1.0, filamentis exsertis ; antherae erectse. Species Archipelagi Malayani incolae, Lindl, in Joum. 

 Hort. Soc. iii, 85, cum, ic, xylogr. Miq, in Ann. Mns. Lugd. Bat. i. t. 2- Hue pertinent etiam R, 

 verticiVatum, Lowe in Lindl, l.c, 87, R-longifiorum, LindL be. 89, R- tubijlorum, Blume (Vireta, 

 Bhnne, Bijdr. 854). 



