234 



rOLYPODL\.CE.-E. 



apice acutis liasi late aeutLs vel rotuncLitis i^etiolulatis 



(ijetiolulis 3 mm. lougis), piuuatifidis, segmeutis iufimis 



oblongis 8miu. lougis 3 mm. latis apice apiculato-aeutLs basi 



ouueatis couti-actis. Textura lier- 



bacea. Sori uti-oque latere secus 



cDstulas segmeutorum 1-seriatim 



disp3siti semi-oblougi reeuTTati. 



Hab. IVIoute ArLsan, leg. 



B. Hayata et S. Sasaki, Jan., 



1912. 



Near Atldjrium macrocar- 

 iinn (Bl.). 



Athyrium reflexipinnum 

 Hayata sp. nuv. (Fig. 161). 

 Ehizoma erectum lougiusculum 

 cum reliquis stipitum 1 cm. in 

 cliameti-o. Stiijes caespitosus 

 usque 5 cm. lougus stramineus 

 basi squaraatus sursum glaber, 

 squamis lineari-laucaolatis usque 

 7 mm. lougis | mm. latis apice 

 subulatis basi latissimis truucatis 

 fusceutibus. Frijus lanceolata 

 vel ovato-lancaolata 11 cm. louga 

 3j-cm. lata apice acuminatLssimi 

 (acumiue liueari) basi in ambitu 

 obtusa piuuata, piuuis pateuti- 

 l)us sui^erioribus a rliachibus 50^- 

 GO' egi'essis, mecliis Lorizontali- 

 ter ])atentibus, iuferioribus desuper reflexis, mecliis longissimis, infimis 

 brevioribus, superioribus brevioribus vei^sus summura ad deutera acuminis 

 reductis, mediis a se 1 cm. remotis triangulari-lauceolatis 2 cra. lougis 12 mm. 

 latis apiee acutis biisi truucatis sessilibus basi latere superiore latioribus 



Fig. 163, Athyrium ergthropudum Hayata ; 

 .1, the plant ; b, a scale on the stipe ; o, n pin- 

 nule; d, a sorus of the Aihyrlnm-tjiie. 



