292 AKT. I. B. HAY ATA : 



incrassatis. Involucriini fructiferani truncato-globosuni solitarium 

 vel 2-o-connatum 2J cm. in diametro glandem perfecte in- 

 cludens apice truncatum basi brève attenuatum intus glabrnm 

 extns bracteis accrescentibus spiraliter dense instructum, bracteis 

 tubercnliformibus triangularibns adnatis inferioribus latioribus 

 superioribus gradatim angustioribus minoribus falcatis acntis extus 

 margine carinato-elevatis intus profunde depressis vel sulcatis. 

 Glans late globosa 1 J cm. in diametro, apice truncate -depre s sa,- medio 

 apiculata, (stylo brevi persistente), basi rotundata, involucre 

 perfecte inclusa, endocarpio confluons. 



Hab. Taitö : Inikufukusha, leg. T. Kawakami et U. Moei, Dec. 

 1906, (No. 2164). 



]><esLY Quercus confragosa (King. t. 71), from which the present 

 plant differs in having acute scales of the involucres and the 

 obscurely dentate leaves. This is still nearer Q. cleistocarpa Seemen, 

 from which it is distinguishable by the much larger leaves which 

 are obscurely dentate towards the apex, and by the much more 

 prominent scales of the cones. 



Quercus longinux Hayata sp.nov. Eami et ramuli graciles fusco- 

 nigricantes lenticellis minutis notati. Folia alterna ad nodos ap- 

 proximate disposita petiolata oblonge -lanceolata 8 cm. longa .16 mm. 

 lata apice acuminata, (acuminibus 2 cm. longis), basi acutis mar- 

 gine a medio deorsum intégra, sursum (praeter acumina) tenuiter 

 serrata, (serris acutis aristatis), tenuiter coriacea, costis supra planis 

 sulcatis, costis et venis subtus prominentibus, venis primariis 

 utrinque latere 7-8 tenuissimis prope marginem evanescentibus vel 

 ad apicem serrarum attingentibus, supra nitida subtus glauca, petiolis 

 1 cm. longis supra sulcatis basi calloso-incrassatis. Cupula late 

 semigloboso-campanulata, glandem in longitudine usque ad \ inclu- 



