POLYPODIACE/E. 



171 



HAB. Sato, leg. H. INABA, Juli., 1911 ; Holisha, leg. T. SOMA, 1911, 

 Chikutoki, secus fossas crescens, leg. B. HAYATA et TAKEO ITO, Mart., 



Dryopteris (Eudryopteris) pseud osieboldii HAYATA sp. nov. (Fig. 

 Rhizoma ? Stipes 35 cm. longus validus r 

 basi plus minus dilatatus minute muricato- 

 punetatus basi dense squamatus sursnm 

 glabratus, squamis tenuibus lanceolatis 

 ovatis usque 2 cm. longis 3-5 mm. latis 

 apice filiforme acuminatis tenuissimis. 

 Frons 40 cm. longa 30 cm. lata ovata apice 

 in ambitu cuspidata basi in ambitu obtusa 

 pinnata, pinnis totis sequiformibus sequi- 

 longis, pinna terminal i lineari-lanceolata 

 circ. 20 cm. longa 28 mm.lata apice acumi- 



Juli ; 

 1914. 

 111). 



. 



a 



b 



Pig. Ill, Dryopteris pseudosieboldii HAYATA; a, the plant; b, a scale on the stipe; 

 c, a hair on the lower surface of a pinna ; d, portion of a pinna ; e, a sorus. 



nata (acumine lineari serrulato) basi obtusa margine tenuiter lobulata, lobulis 

 inferioribus 3 mm. longis 6 mm. latis rotundatis subhorizontaliter sitis 

 superioribus ad crenam reductis, sursum margine serrulato-denticulata, pinnis 

 juxta terminalem paullo minoribns, pinnis inferioribus terminali aequilongis 



