274 



POLYPODIACE^S. 



infimis partmn frondis pinnatindarum longissimis quam pinna castera longiori- 

 biis 13cm. longis plus quam 3 cm. latis lineari-lanceolatis apice caudato-acumina- 

 tissimis basi 3 cm. latis ad rhachin adnatis subalternatis, segmentis superioribus 

 gradatirn minoribus basi latere inferiore ad rhachin 13 mm. latam decurrenti- 

 bns ; rhachis partium frondis pinnatifidarum sursum 22 mm. lata, segmentis 

 lateralibus superioribus brevioribus, segmentis juxta segmentum terminale line- 

 ari-oblongis 6 cm. longis 2 J cm. latis ad segmentum ter- 

 minale haud abeuntibus ; segmento terminali elongato- 

 oblongo-triangulari 10cm. longo basi 5|cm. lato apice 

 gradatim acuminato basi obtriangulari, ad basin 2 cm. 

 lato deorsum utroque latere 2-3 lobato, lobis triangulari- 

 bus apice acutis hand ascendentibus, sursum haud lobato 

 margine eroso; sinibus inter segmenta in forme variabili- 

 bus ; textura herbacea membranacea, pagina in vivo 

 supra atro-viridissima subtus pallidior supra subglabra 

 subtus parcissime squamis minutis dispersa haud squa- 

 mata. Ehachis frondis supra canaliculata subtus convexa 

 in sectione dorso complanata lunuliformis piloso-squa- 

 rnata ; pinnis segmentis totis plus minus falcato-ascenden- 

 tibus, costis mediis a rhachide frondis 

 angulo circ. 70 egressis, venis lateralibus 

 et venulis totis anastomosantibus. Indu- 

 sium margine erosum. Sori vermiformi- 

 lineares prope costas versus venas extensi, 

 a margine 10-5 mm. distantes. 



HAB. Mt. Arisan : inter Funkiko et 

 Taroyen, leg. TAKEO ITO, Mart. 1914. 



Very near Diplazium heterophlebium 

 DIELS (=Asplenium keteropMebium METT. 

 BAKER Syn. Fil. p. 243 = Anisogonium 

 heterophlebium BEDD. Fern. Brit. Ind. t. 

 329), but distinguishable from it by the 

 pinnae which are subentire at the margin, 



Fig. 1O3, Diplazium odoratissimum 

 HAYATA X ; a, a portion of a scale on 

 the rhizome; b, a portion of the frond. 



