rOLYPODIACE.E. 303 



tatis. Sori ad latus superius singulorum loborum vel segmentorum medio vel basi 

 singulariter vel geminatim siti venulas tcrminantes. Frons in textura herbacca 

 membranacea utraque pagine sparse liirsuta; rliachis plano-convexa in sectione, 

 supra plana snbglabra subtiis convexa hirsutissinia supra profunde canaliculata 

 plus minus flexuosa vel subrecta, costis primariis vcl costis segrnentorum. utra- 

 que pagine elevatis supra tenuiter subtus densissime hirsutis, venulis utraque 

 pagine tenuissime elevatis distincte visis sparse hirsutis, pinnis inferioribus 

 alternis a so 3 cm. remotis superioribus gradatirn approximatis, pinnis inferiori- 

 bus subfalcatim sursum recurvis a rhachide frondis angulo 50 egressis, superiori- 

 bus rectis hand falcatis a rhachide frondis angulo SO-S5 egressis. 



HAB. Inter Tonroku et Kemogan, leg. TAKEO ITO et S. FUJII, Nov. 1914, 

 (No. 21). 



Near M. oUuslloba HAYATA ; but differs from it by the bipinnatind 

 fronds ; perhaps a reduced form of the same species. 



IfotJiolaena K. Bn. 



Notholsena hirsuta Desv. (Fig. 122 A-B). Ehizoma subrectum vel repens 

 fulvo-squarnatmn dense radicans, radicibus remotissiinis pilis fulvis obtectis. Fr. 

 sterilis et fertilis couformes, fertilis in textura quain sterili plus minus crassior, 

 sterilis membranacea in exsiccato fulvescens supra crispato-pilosa subtus ^dense 

 tomentosa ; fertilis plus minus fuscens supra crispato-pilosa subtus dense rubro- 

 ferrugineo-tomentosa. Stipes circ. 10cm. longus basi linarn. crassus supra 

 subplanus medio cum rhachidibus tenuissime sulcatus subtus (dorso) rotundatus 

 in sectione fusco-pm-purasceus basi fulvo-squamatus, (squamis rubro-castaneis 

 linearibus 3 mm. longis basi latissimis | mm. latis apice acuminatissimis mar- 

 giue subintegris vel plus minus erosis castaneo-rubris ad marginem hyalinis 

 hand coloratis), basi glanduloso-pilosus, pilis patentissimis 2-3-cellularibus. 

 Frons oblougo-liuearis 16cm. longa basi 5 cm. lata apice obtuso-acuta bipin- 

 nata, pinnis suboppositis, jugis inferioribus a se 2 cm. distantibus, superioribus 

 plas approxiniatis, piunis inferioribus triangulari-ovatis 28 mm. longis 18 mm. 

 latis a basi ad apiccm triangulari-acutis basi latissimis subsessilibus vel breve 

 petiolulatis, (petiolis 2-3 mm. longis) latere superiore quam latere inferiore 

 angustiore pinnatis, pinnulis latcris inferioris innrnis longissimis 1 cm. longis 

 7 mm. latis triangulari-ovatis pinnatifidis segnientis utroque latere 2 instructis, 



