ERICACE.E. 133 



8, fil&meiitis glabris 2 cm. lougis antlieris ellipticis 2 mm. longis 1$ mm. 

 latis apice truncatis 2 porosis basi emarginatis. Ovarium elongato-ovoideum 

 3 mm. longum densissime molle sericeo-tomentosum, pilis albis, stylo 3 cm. 

 longo glaberrimo apice dilatato, stigmate terminal!. 



HAB. Fokien : Isan, leg. S. NAGASAWA, 1910, Aprili. (No. 239). 



Near R. Weyrichii MAXIM. ; but differs from it by the pure snow white 

 hairs on the ovary and by the oblong leaves ; from R. dilatatum by the 

 more densely hairy ovary ; and from R. rhombicum by the entirely glabrous 

 styles. 



Rhododendron hyperythrum HAYATA sp. nov. Kami glabri fusco- 

 purpurascentes. Folia elliptico-lanceolata usque ad 10 cm. longa 2| 3 cm. 

 lata apice acuta A 7 el breve acuminata vel cuspidata ad summum calloso- 

 acuta basi acuta vel obtusa, margine integerrima coriacea supra glabra subtus 

 fulvo-rubescentia lepidota, (costis supra impressis subtus prominentibus, venis 

 lateralibus primariis supra leviter impressis, subtus leviter elevatis, utroque 

 latere costee 10-13 interdum obscuris), margine leviter desuper recurva, petiolis 

 1J-2| cm. longis supra angustissime sulcatis. Flores 7-8 quasiterminaliter 

 quasi-fasciculatim dispositi, perulis multi-seriatis inferioribus minutis cuspidi- 

 formibus, infimis longissimis obovato-oblongis pedicellum in longitudine 

 superantibus 2-2 -|- cm. longis 1 cm. latis extus sericeo-tomentosis intus sub- 

 glabris vel sursum pabescentibus apice breve acutis, bracteolis fih'formibus 

 1 cm. longis, pedicellis 2 cm. longis brevissime hirsutis. Calyx subplanus 

 5-dentato-lobatus, lobis triangularibus apice obtusis extus glanduloso-hirsutis 

 intus glabris latissimis mm. longis. Corolla campanulata 3 cm. longa 4 cm. 

 in diametro 5-lobata, lobis latis rotundatis leviter emarginatis. Stamina 

 10 in longitudine insequalia inclusa, filamentis basi pilis brevissimis hir- 

 sutis, antheris oblongo-rectangularibus apice truncatis 2 porosis basi breviter 

 2-lobatis. Ovarium cylindrico-ovoideum 3 mm. latum, pilis brevibus 

 glandulosis dense obtectum 5-sulcatum, stylo 2 cm. longo 5-sulcato prope 

 basin pilis glandulosis brevibus instructo apice dilatato-campanulato, stigmate 

 terminali. 



HAB. Formosa : regionibus meridionalibus, leg. N. KONISHI. 



