POLYPODIACE/E. 



165 



frondiutn augulo 70 clivaricatis, pinuulis inferioribus a se 2cm. remotis, 

 partibus pinnps infinite retrorsum reflexis falcatis. Sori valde elevato-globosi ; 

 indusia reniformi-cordata 1 mm. lata. Textura herbaceo-membranacea. 



HAS. Arisan, leg. B. HAYATA et S. SASAKI, Jan., 1912. 



Near D. Sabaei in the outline of the fronds and globose elevate sori ; 

 but differs from it by the much more accuminate 

 pinnae. This is still nearer to D. sparsa 

 O. KUNTZE (Nephrodium sparsum DON), but 

 distinguishable from it by the lowest pinnaa with 

 much longer pinnules. 



Dryopteris (Eudryopteris) membran- 

 oides HAYATA sp. nov. (Fig. 105). Kliizoma 

 erectum. Stipes 30 cm. longus squamatus cum 

 rhachibus et costis pinnarum castaneo-rubescens 

 breve pubescens, squamis lineari-lanceolatis 1 

 cm. lougis 1-2 cm. latis acuminatis. Frons 

 ovato-lanceolata 60 cm. longa 30 cm. lata infra 

 medium latissima pinnata vel infima bipinna- 

 tifida, pinnis inferioribus lineari - lanceolatis 

 sessilibus a se 4 cm. remotis a rhachibus 

 frondium angulo 80-90 egressis, infimis oblique 

 triangularibus 

 vel semi-triangu- 

 lar ibus 14cm. 

 longis basi 11 

 cm. latis latere 

 superiore 2 cm. 

 latis latere in- 

 f eriore 8 cm. 

 latis basi ad 

 costam pinnati- 



fidis, segmentis Fig. 1OS, Dryopteris membranoides HAYATA ; a, the plant ; b, a 



. scale at the apex of the rhizome ; c, a hair on the under side of the 



mfimis (latere costa of a pinnule; d, a portion of a pinna; e, an indusium. 



