^"'"^ '"-1 G. KOTDZUMI.-LEPIDOBALANUS. 



167 



(14.) Quercus {Cydobalanopsis) Miyagii, Sp. nov. 

 Q. stenophjllae, Mak. et O. argentatae, Korth. affiiie, sed 

 a pnmo foliis juvenilibus utrinque argenteo-tomentosis, nervis 

 secundariis arcuato-ascendentibus ; cupiilis multo majoribus, 

 adultis subpatelliformibus ; glaudibus multo majoribus; cata- 

 phjllis multo longioribus ; ab altero cupulis adultis sub- 

 patelliformibus glandibusque multo majoribus dififert. 



Arbor magna, trunco erecto ramoso, circ 40 ped. alto, 2 

 ped. in diametro. Rami alterni vel subverticillato-congesti, 

 teretes, patentes, dense foliosi, lenticellis orbicularibus albidis 

 prominulis densius tecti; vetustiores glabri cortice nigricante ; 

 hornotini fuscescente; novelli glabri. Gemmae ellipsoideae circ 

 8 mm longae, obtusae, quinquestiche perulatae; perulis ovatis 

 obtusis scariosis superne tenuiter villosis. Folia alterna, petio- 

 lata, sempervirentia, patentia ; lamina coriacea, juventute 

 utraque pagina seriseo-tomentosa, adulta demum glabra supra 

 viridia subtus glaucina vel argenteo-nivea, ambitu lanceolata 

 rarius ovato-linearioblonga vel ovato-lanceolata, 10-13 cm 

 longa, 3-4 cm lata, apice longe acuminata, basi rotundata vel 

 obtusissima rarius cuneato-acuta, margine integerrima raro 

 sursum argute vel obscuriter serrata; costulis in utraque latere 

 10-12, arcuato-ascendentibus, subtus leviter prominentibus; 

 petiolis 15-20 mm longis, semiteretibus, supra leviter sulcatis,' 

 ab initio glabris. Stipula lutescens cataphylliformis, ad petioli 

 basin inserta, lineari-spathulata, caduca. Flores ignoti. Cupula 

 fructifera lignosa, hemisphaerico-subpatelliformis, 2-3 cm in 

 diametro, 8-10 mm alta, intus velutino-tomentosa, extus cano- 

 velutina; squamis in laminas 6-7 (raro ad 9) annulares con- 

 centricas crenatas connatis. Glans matura globosa vel globoso- 

 ovoidea, 3 cm alta 28 mm lata, apice velutino-tomentosa, 

 abrupte apiculata, cupulam multo superans. 

 NoM. Jap. Okinawa-urajiro-gasi (Tasiro.) 

 Hab. Lutchu : insl. Okinawa ; insl. Yayeyama. 

 I have named this species in memory of Mr. Tetsuo Miyagi, 

 who sent me the valuable materials collected by him. 



