POLYPOIHAOE^, 



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leiopodum denti- 

 culate, while in 

 ]). tenuicaulc 

 the} T are nearly 

 entire. 



Diplazium 

 subrigescens 

 HAYATA sp. nov. 

 (Fig. 149). Atly- 

 rinm subr'igescens 

 HAYATA in herb. 

 Taihoku. Khi- 

 zoma asceu- 

 dento - erectnin. 

 Stipes usque ad 

 20 cm. longns 

 albo - straminens 

 basi nigrescens 

 basi plus minus 

 lanceolato-dilata- 

 tus basi dense 

 superiore parce 

 squamatus sur- 

 sum glabratus, 



squamis inferioribus cuspidato-lanceolatis acuminatis basi cordato-rotuudatis vel 

 rotundatis margiue integris usque 1 cm. longis usque 2 mm. latis nigrescentibus. 

 Frons cuspidato-ovata usque 25 cm. louga usque 20 cm. lata apice longe caudata 

 a medio usque ad basin asquilata sursum suliito ad caudam abeuns bipiunata, 

 pinnis mediis vel basilaribus subsequalibus lanceolatis 10cm. longis 2cm. 

 latis apice acuminatis (acumine linear! tenuissimo 1-2 mm. lato) basi sessilibus 

 truncatis sequilateralibns, pinuulis sessilil>us fere toto oequilongis, mediis 

 ol)lique oblougis vel seinitriangularibus 1 cm. longis 5 mm. latis latere superiore 

 auriculatis latero inferiore cuneatis margine duplicato-deutatis vel seiTulatis, 



a 



Fig. 149, Diplazium subriyescens HAY ATA; .1, the plant; b, a scale ~ 

 he rliizome ; c, a pinnule ; d, an imlusium of the Athyrium-tjpe ; 



of the 



e, another indusitim of the Dlplazium-type. 



