178 



CUPULIFERjE. 



Corylus LINN. 



Corylus rostrata AIT. var. ? 



HAB. Formosa : loco non indicato. 



Near (7. rostrata AIT. var. Siebddiana MX. but differs from it by the 

 much shallower dentation of the leaves. Neither fruit nor flower, exact 

 identification is impossible. 



Qaercus LINN. 



Quercus arisanensis HAYATA 

 sp. nov. Pasania arisanensis HAYATA 

 in Herb. Taihoku. Folia tenuiter 

 coriacea oblonga usque ad 10 cm. 

 longa 4 cm. lata apice breve cuspi- 

 dato-acuta ad summum obtusa basi 

 acuta ad extremitatem angustissime 

 attenuata ad petiolum subalatum 

 abeuntia utraque glabra subtus 

 opaca supra nitida, costis et venis 

 supra tenmter subtus distincte 

 elevatis, veiiis lateralibus primariis 

 tenuissimis utroque latere costse 10- 

 12, venis mediocribus basi a costa 

 angulo 60 egi-essis arcuatis, venis 

 secundariis reticulatis margine in 

 tegerrirna, petiolis 2 cm. longis sub- 

 complanatis apice subalatis basi 

 incrassatis. Spicse fructiferge 7 cm. 

 longse validiusculae, fractibus aggre- 

 gatim spicatim dispositis. CupuL\ 

 patelh'formis 7 mm. alta 17 mm. in 

 diametro, lepidibus multi-seriatim dis- 

 positis, mediocribus late triangulari- 



Fig. 25. 



Quercus ar'isanensis HAYATA. 1, a leaf ; 2, 

 fruit. Natural size. 



