220 



POLYrODI.VrE.E. 





apice iu ambitu ubtusis vel rotuuclatis serrulatis, semilis piuuulanun acutis. 



Rhachis frondis albo-straminea supra 

 snlcata iu sulcis =h pubescens ; rhachis 

 piuna3 anguste canahculata in CianaHculo 

 ± pubesceus supra remote alternatim 

 setulosa ; costula piunularum supra im- 

 pressa remote setulosa ; pagina subher- 

 . bacea rigescens utraque subglabra; pinnis 

 a rhachibus frouchs, piunulis a rhachi- 

 bus pinuffi augulo 8(P-90° egi-assis, 

 piunis inferioribus a se 2^cm. remotis, 

 piuuuUs a se 5 mm. a se remotis. Sori 

 secus costulara utroque latere 1-seriatim 

 dispositi, hitere singulo vense siti vel 

 rarius utroque latere veuseldisiwsiti. 



H.\B. Arisan, ad 7000 ped. alt., 

 leg. B. Hayat.\ et S. Sasaki, Jan., 1912. 



AlUed to Athyrium }-/<jfesce««MAKiNO. 

 Whether this uew fern aud its allied 

 species sliould be refeiTed to Alla/riitm 

 ov Diplazimn, is very^questionable. The 

 liabit of thesej ferns is rather of the 

 Athyrimn-tyix, l)ut;the sori are some- 

 times of the Dijihdvm-tjpe. Veiy 

 remarkable for its liaving very long 

 .slender tails at the ajjex of the pinufc. 



Diplazium tenuicaule Hayata 



sp. uov. (Fig. 150). liliizoma? Stii^es 



1 20 cm. longus subglalier cineraceo-pur- 



I pm-ascens. Frons '■^0 cm. longa 16 cm. 



I lata apice gi-adatim acuminata liasi tnm- 



Fig. 150, I>i})!rtzmm «em<tca«ZeHAyATA; cata piunata vel Inpiuuatifida, pinnis 

 a, the plant ; b, a pmnule (upper one) ; c, a 

 soms o£ the AUantodUi-type. medio basi seqmlongis a se 3 cm. remotis 



