MATERIALS FOR A FLORA OF FORMOSA. 291 



Quercus impressivena IIayata sp. iiov. Eami nigricautes, lenti- 

 cellis niinutis notati, cicatricibus foliorum elevato-(lepressis,raniulis 5- 

 gonis, aiigalis obtnsis,faciesnlcatis, basi perulis persistentibas triangu- 

 laribus oo -seriatis instructis. Folia alterna petiolata stipulata oblongo- 

 lanceolata 11 cm. longa 42 mm. lata apice acuminata, (acuminibus 

 angustis 15 mm. longis 3 mm. latis apice obtusis), basi acuta cuneata 

 vel rotundata supra venis impressis subtus prominentibus, primariis 

 utrinque latere 10, a costa angulo70 egressis prope marginem arcuatis 

 evanescentibus, venis secundariis et venulis tenuissimis reticulatis, 

 costis subtus valde elevatis, utrinque glabra coriacea, petiolis 2 cm. 

 longis basi calloso-incrassatis. Spicse terminales gemin96,validiuscul8e, 

 breve villosae, 14 cm. longa3, laxifloratœ, floribus Ç geminatis ternatis 

 vel solitariis. Fl. Ç : sessiles, bracteis go -seriatis involucrati, bracteis 

 triangularibus pubescentibus, stylo 3-partito, ramis vix recurvis. 



Hab. Hokkökei, leg. C, Owatari, Jan. 1898. 



Near Quercus Hennji Seem., but differs from it by the sessile, 

 female flowers, and smaller leaves. 



Quercus lepidocarpa IIayata sp. nov. lîamuli validiusculi fusco- 

 ciiierascentes lenticellati angulati, (angulis obtusis), facie sulcati. 

 Alabastrum foliorum oblongum vel globosum acutum fusco-casta- 

 neum, ]icrulis triangularibus. Folia alterna petiolata obovato- 

 oblonga 18 cm. longa OJ cm. lata apice breve cuspidata, (cuspidibus 

 plerumque 1 cm. longis apice obtusis), basi rotundato- acuta margine 

 sursum obtuse dentata deorsnm intégra utrinque glabra, costis 

 supra basi sulcatis subtus proinincnite elevatis, venis supra impressis 

 subtus prominentibus, venis primariis utrinque latere circ. 10 a costa 

 iingulo 70° egressis arcuatis prope marginem gracilibus anastomo- 

 santibns, venis secundariis tenuissimis oblique transversis, venulis 

 iitrinciue reticulatis, petiolis IJ cm. longis supra sulcatis basi calloso- 



