188 rOLYPODIACEZE. 



tato-lanceolatis 15 cm. longis basi latissirais 5 cm. latis apice actiminatis 

 plus minus petiolatis, pinnis infimis conformibus longioribus latissimis, pinnis 

 utroque latere rhachis frondis 15-16 inferioribns 5 cm. a se remotis, pinnis basi 

 pinnatis sursum pinnatifidis, (segmentis falcato-recurvis apice acutis mediocri- 

 bus 1^ cm. longis 4 mm. latis a basi contractis vel plus minus dilatatis margine 

 obscure dentatis vel distincte dentatis) ; pagina supra viridis subtus pallidis- 

 sime plus minus rubescens utraque glabra. Rhachis frondis supra bi-tri-sulcata 

 piloso-squamata, 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 pinnularum sub quoque dente siti ab apice dentium 2 mm. remoti, vel 

 sursum ad sinus dentium siti. Indusium persistens orbiculari-cordatum H 

 inm. in diametro rubrum margine paucissime eroso-ciliolatum. 

 HAB. Kusshaku et Shintengai, leg. K. MIYAKE, 1899. 

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

 lowest pinna. 



Dryopteris viridescens (BAKEE) O. KTZE. ; C. CH. Ind. p. 300. Nephro- 

 dium viridescens BAKER Syn. p. 275. 



HAB. Arisan, 7000-8000 ped. alt., leg. B. HAY ATA et S. SASAKI, Jan., 

 1912. 



Compared with a Japanese specimen so labelled in the herbarium at 

 Tokyo. This common Japanese fern is found in Formosa only in high 

 elevations. 



Aspidium Sw. 



Aspidium submembranaceum HAYATA sp. nov. (Fig. 126). Khizoma? 

 Stipes 30 cm. longus nitidus basi purpureo-nigrescens vel atro-castaneus sursum 

 rubescens basi densissime squamatus, squamis linearibus rubro-castaneis 

 usque 2 cm. longis 1 mm. latis margine remote ciliatis vel non ciliatis. Frons 

 in ambitu ovato-cordata 30 cm. longa 18 cm. lata bipinnata apice acuta basi 

 in ambitu cordata, pinnis oppositis a rhachibus frondis angulo 70-80 

 divaricatis, inferioribus a se 5 cm. remotis, infimis triangularibus arcuatis 

 insequilateralibus 16 cm. longis 13 cm. latis, latere suqeriore basi 4 cm. latis, 

 latere inferiore latioribus basi 9 cm. latis apice arcuato-acuminatis basi latis- 



