184 TRANSACTIONS OF THE [Sess. lxxxk 



Rhododendron araiojjhylluTn, Balf. f. et W. W. Sm.^ 



Slender branched shrub as much as 5 m. high. Branches 

 a year old reddening more or less white floccose glabrescent 

 and glossy, after some years (4-5) grey and decorticating. 

 Outermost scale-leaves of the foliage-leaf buds — which are 



1 Rhododendron araiophylhcni, Balf. f. et W. W. Sm. — Frutex 

 teimiraniosus ad 5 m. altuis. Rainuli annotini erubescentes plus minusve 

 albido-floccosi glabrescentes et nitidi post anno.s 4-5 grisei decorticantes. 

 Alabastrorum angiiste OA'oideorum acutorum circ. 4 mm. diam. pernlae 

 extimae crustaceo-coriaceae fulvae circ. 8 mm. longae infra rotinidatae 

 circ. y mm. longae et latae supra in caudam circ. 5 mm. prolongatae 

 extus eglandulosae plus minusve sebaceo-floccosae, intermediae longiores 

 et latiores ecaudatae mucronatae subovatae, intimae convolutae mem- 

 branaceae ilavido-brunneaead 2*7 cm. longae circ. 4 mm. latae acutae saepe 

 mucrouulatae dtn'so apiceque margineque sebaceo-floccosae intus glabrae 

 ad apicem sericeae ; folia juvenilia revoluta supra et costa media subtus 

 pilis tloccosis loiigi- et multi-ramosis saepe sebaceis rufo-coloratis intri- 

 catim intertextis densissime tomentosa superficie inferiore glaberrima ; 

 petiolus juvenilis .sebaceo-tomentosus. Folia petiolata ad 12'5 cm. 

 longa ; lamina chartacea lanceolata ad 11 '5 cm. longa ad 3 cm. lata apice 

 subacuminata tuberculo corneo teiiuinala margine subplana obscure 

 undulato-crenulata pilorum juvenilium detersilium vestigiis notata 

 Ixisi cuneata supra bruuneo-olivacea ojjaca costa media sulcata venis 

 jjrimariis utrinsecus circ. 15 iuconspicuis laevis glabra sed floccorum 

 juvenilium vestigiis nunc notata, subtus pallidior saepe fulva subnitens 

 costa media erubescente et venis primariis elevatis glabrescentibuspunc- 

 tulatis vel floccorum juvenilium vestigiis praeditis vel pilis sebaceis dense 

 floccoso-toment():-is caeteroquin glaljra epunctulata venularum reti paullo 

 conspicuo epiderriiide epapillata ; petiolus circ. 1 cm. longiis rubidus 

 subcrassus subglabrescens floccorum vestigiis notatus. Flores circ. 8 (nunc 

 pauciores) racemoso-umbellati rhachi tenui ad I'b cm. longa pilis tloccosis 

 intertextis plus minusve vestiUi ; bracteae deciduae ignotae ; bracteolae 

 rufescentes angustissime ligulatae ad 1"2 cm. longae sericeo-pilosae ; 

 pedii-elli graciles rubro-brunnei glal)errimi nunc pilis floccosis paucis- 

 simis praediti circ. 1*5 cm. longi. Calyx minutus cupularis carnosulus 

 circ. r5 mm. longus cupula glaberrima 5-lobatus, lobis semi-lunatis vel 

 ovato-truncatis extus glaberrimis margine pilis albidis vel rnbris sebaceis 

 simplicibus vel floccosis ciliatis. Corolla alba extus roseo-suffusa brevis 

 aperte campanulata circ. 3-5 cm. bmga genitalia superans 5-gibbosa 

 retusa extus eglandulosa epilosa intus glabra et postice varo magno basali 

 kermesino sui)raque maculis paucis notata 5-lobata, lobis circ. 1"4 cm. 

 lon"is circ. 2 cm. latis rotundatis emarginatis subcrenulatis. Stamina 10 

 inaequalialongiora circ. 2-8 cm. longa l)reviora circ. 1 -4 cm. longa antheris 

 rnbris circ. 3"5 mm. longis, filamentis basi paullo latioribus etab ima basi 

 ad apicem ovarii dense pubescentibus. Discus glaber. Cynaeceum circ, 

 2-8 cm. longum stamina loiigiora sul)aequans ; ovarium intense Ijrunneum 

 vel. ni^fresceriH papillatum conoideum sulcatum circ. 5*5 mm. longum 

 brevissime alljido-pubendum jjilis sul)ad])ressis ; stylus ruVjer glaber in 

 stigma purjinrenm lol)ulatum jtaullu ampliatu.s. 



Species Mk. tanastylo, Balf. f. et Ward q.v. i)roxima ; Rh. gymnantho, 

 Diels etiam ailinis foliis brevioribus su])ra baud nitentibus nunc subtus 

 tomento persistente indutis, (loril)Ufl minnribus, jjcdicello glabro, corolla 

 alba roseo-sufFusa aperte cam])anidata,,stamiuum filamentis dense puljes- 

 ceiitibus, ovario minore pubt^rulo distinguenda. 



