1118 RHODORACEAE. 



RHODODENDRON. 



2. RH. ARGENTEUM Hook. fil. 1. 1. c. c. tab. 9. & p. 76, — Van Houlte, Flore des Ser- 

 res V. tab. 473. 474. 475. 476. — Arboreum: foliis maximis obovatis oblongis acutis, in 

 petiolum crassum altenuatis, utrinque glaberrimis, infra argenteis; capitulis laxiusculis 

 lO-floris; florum pedunculis bre\ibus pubescentibus; floribus albis late campanulatis; 

 staminibus 10; ovario pubescente sub - 16 - loculari. — Sikkim-Himalaya, elevatione 

 8—10.000 pedum. Sinchul, Suradah, Tonglo. 



3. RH. HODGSONI Hook. fll, 1. 1. c. c. tab, 15. 8c p. 76. — Elate frulicosura : foliis latis 

 ellipticis, obovatis v. oblongis crasse petiolatis. intcrdum basi subcordatis, su|»ra gla- 

 bris nitidis, infra argeiileis adpresseque puberulis; floribus late campanulatis pallide ru- 

 bris (fere roseis) 8— 10-Iobis; stominibus 16 — 18-nis; ovario pubescente 16-Iocu- 

 lari. — Sikkim-Himalaya, elevalione 10—12,000 pedum. 



§. 2. Calyx cupuliformis, magis minusve latus profundusque obso- 

 lele lobatus, Corolla quinqueloba. Stamina 10 — 16. Ovarium 6—16- 

 loculare. — Frutices: foliis glaberrimis; floribus magnis. 



4. RH. GRIFFITHIANUM Wght. — Wlprs. Annal. I. 482. no. 2. — Hook. fll. Journ. of the 

 hortic, soc. VH. 76. — Foliis longiuscule petiolatis ovalibus oblongis acuiis, basi sub- 

 cordalis, utrinque glaberrimis; floribus paucis longe pedunculatis; calyce magno aperto 

 cupuliformi inaequaliter quinquelobo ; corolla alba late tubulosa, patcnlissime quinque- 

 loba, lobis laiis; staminibus 12—18; ovario glanduloso 12-IocuIari. — lih. AHcklandii 

 Hook. fil. Rhodod. of Sikkim-Himalaya tab. 11. — In India orientali (Sikkim-Himalaya, 

 elevalione 10000 ped. ad Tonglo.) 



5. RH. THOMSONI Hook. fil. i. 1, c. c. tab. 12. 8: p. 77. — Fruticosi^: foliis ad ramorum 

 apices aggregatis orbicularibns v. lale oblongis, apice rotundatis v. brevissime acutis, 

 longiuscule petiolaiis, basi cordalis. utrinque glaberrimis . infra glaucescenlibus ; capi- 

 tulis 4 — 6-floris; floribus saturate kermesinis nulantibus longiuscule pedunculalis ; 

 calyce cupuliformi subtubuloso inaequaliter lobato; corollae tubo longiusculo campa- 

 niforme, laciniis recurvatis crenatis; staminihus 10-nis; ovario glaberrimo 6 — 10 - lo- 

 culari. — Rh. Candelaifrum Hook. fll. Rh(Jd. of Sikkim-Himalaya tab. 29. — Sikkira-ili- 

 malaya, elcvatione 11 — 13,000 pedura. 



§. 3. Calyx pentapbyllus vel profunde quinquelobus. Corolla infun- 

 dibuliformis vei campanulata. Stamina 10—18. Ovarium 5— 6-loculare, 

 — Arbores vel frulices, nonnumquam pseudoparasitici : foliis saepe lepi- 

 dibus minutis adspersis, 



6. RH. DALHOUSIAE Ilook. fil. 1. 1. c. c. tab. 1. & 2. & p. 77. — Van Houtte. Flore des 

 serres V. tab. 460 — 468. — Frutex gracilis (pseudoparasiticus): foliis junioribus longe 

 pilosis. adullis elliptico-obovatis obtusis, supra glabris. infra glaucescenlibus lepidibus- 

 que minimis adspersis. basin versus in petiolum pilosulum attenuatis ; floribus 3— 5-nis 

 capitatis nutantibus; sepalis oblongis obtusis , margine pilosis; corolla latissime cara- 

 pannlata (candidissima), lobis 5 modice patentibus ; staminibus 10; ovario 5-Ioculari.— 

 In truncis Magnoliarura Quercuuraque. Sikkim-Hiraalaya. elevatione 7000—9500 pedum. 



7. RH. EDGEWORTHH Hook. fil. 1. 1 c. c. lab. 21. & p. 77. — Frutex saepe epiphytus: 

 ramulis. petiohs. pedunculis, capsulis foliisque subtus dense ferrugineo-villoso-tomen- 

 tosis; foliis sublonge petiolatis elliplico-ovatis acutis v. acuminatis subcoriaceis rugoso- 

 reticulatis, basi obtusis, supra nilidis, marginibus recurvis ; peduncuUs 2 — 3-nis ter- 

 minalibus, ab innovationibus lateralibus; floribus spcciosis albis; calycis arapli qumque- 

 partiti lobis foliaccis oblongo-obovatis inaequalibus lanuginosis ciliatis ; corollae tubo 

 brcviusculo late campanulato, lirabi maxinii loMs rolundatis venosis crenato-undulatis; 

 slarainibus 10-nis exsertis. filamentis inferne villosis. antheris elongalis; ovario dense 

 tompiitoso 5-IocuIari; capsula oblongo- cylindracea recta obtusa. valvis lignosis. — 

 Sikkim -Himalaya, elevatione 7—9000 pedum. 



