POLYPODIACEJS. 303 



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

 singulariter vel geminatim f siti venulas terminantes. Frons in textura herbacea 

 membranacea utraque pagine sparse hirsuta; rhachis plano-convexa in sectione, 

 supra plana subglabra subtus convexa hirsutissima supra profunde canaliculata 

 plus minus flexuosa vel subrecta, costis primariis vel costis segmentorum utra- 

 que pagine elevatis supra tenuiter subtus densissime hirsutis, venulis utraque 

 pagine tenuissime elevatis distincte visis sparse hirsutis, pinnis inferioribus 

 alternis a se 3 cm. remotis superioribus gradatim approximatis, pinnis inferiori- 

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

 bus rectis baud falcatis a rhachide frondis angulo 80-85 egressis. 



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

 (No. 21). 



Near M. obtusiloba HAYATA ; but differs from it by the bipinnatifid 

 fronds ; perhaps a reduced form of the same species. 



Notholcena, B. Bn. 



Notholaena hirsuta Desv. (Fig. 122 A-B). Khizoma subrectum vel repens 

 fulvo-squamatum dense radicans, radicibus remotissiuiis pilis fulvis obtectis. Fr. 

 sterilis et fertilis conformes, fertilis in textura quam 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. 10 cm. longus basi 1 J mm. crassus supra 

 subplanus medio cum rhachidibus tenuissime sulcatus subtus (dorso) rotundatus 

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

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

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

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

 Frons oblongo-linearis 16cm. longa basi 5cm. lata apice obtuso-acuta bipin- 

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

 plus approximatis, pinnis inferioribus triangulari-ovatis 28 mm. longis 18 mm. 

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

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

 angustiore pinnatis, pinnulis lateris inferioris infimis longissimis 1 cm. longis 

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



