424 AK'J-. 1. — B. HAYATA : 



Dryopteris Yabei Hayata sp. nov. Stipites rubcscentes 30 cm. 

 longi basi squamati, (sqnamis linearibus nigricantibus 1-1 J cm. 

 longis \el brevioribus rubescentibus), supra bisulcati, basi 

 4 mm. lati ad totam longitudinem parcissime mm^icati. Frons 

 ovata in circumscriptione 45 cm. longa 30 cm. lata apice cuspi- 

 data basi obtnsa, snbglabra coriacea bipinnata, partibus in- 

 fimis rarius subtripinnatis, pinnis mediocribns angustato-lanceo- 

 latis 15 cm- longis basi latissimis 5 cm. latis apice aciiminatis 

 plus minus petiolatis, pinnis infimis conformibus longioribus 

 latissimis, pinnis utraque latere frond is 15-16 inferioribus 5 cm. a so 

 remotis, pinnis basi pinnatis sursum pinnatifidis, (segmentis Mcato- 

 recurvis apice acutis mediocribns IJ cm. longis 4 mm. latis a 

 basi contractis vel plus minus dilatatis margine obscure dentatis 

 vel distincte dentatis) ; pagina supra viridis subtus pallidissime plus 

 minus rubescens, utraque glabra. Rhachis frondis supra bi-tri-sul- 

 cata, piloso- squama ta, squamis densiusculis rubris, subtus convexa, 

 minute parcissime muricata ; rhachis pinnarum complanata, supra 

 plano-sulcata glabra subtus elevata squamata, venis et venulis 

 liberis. Sori secus venas loborum pinnarum vel pimmlarum 

 sub quoque dente siti, a apice dentium 2 mm. remotis, vel 

 sursum ad sinus dentium siti. Indusium persistons orbiciilari- 

 cordatum 1^ mm. in diametro rubrum inargine paucissime eroso- 

 ciiiolatum. 



Hab. Kusliaku et Shintengai, leg. K. Miyake, 1809. 



Near Nephrodium acutum Hook., but differs from it by the shape 

 of the lowest pinna. 



Aspidhini Swaktz. 



Aspidium hokutense Hayata sp. nov. Pdiizoma repens squa- 

 raatum, squamis fuscento nigricantibus dense obtectum. Stipites 



