162 POLYPODIACK2E. 



abeuns margine integer rima in exsiccato dcorsum recurva utraque pagine 

 glaberrima, costa supra impressa subtus prominente elevata ; textura crassa 

 in. exsiccato valde coriacea, venis haud visis. Sori intraraarginales. Vittaria 

 lanceola HAYATA in MATSUM. et HAYATA Enum. PL Formos. p. 625 (non 

 CHRIST). 



HAB. Musha Oiwake, ad 7000 ped. alt., leg. B. HAYATA, Aprili. 1916 ; 

 Mingetsu ; Arisan, inter Keitao et Goshorin ; Gokwanzan, Urai. 



Near V. japonica, but differs from it in the much thicker fronds and in 

 the cellular structure of the scales which are a little darker than those of 

 V. japonica. 



Vittaria tortifrons HAYATA sp. nov. Epiphytica ; rhizoma repens 

 longissiinum dense squamatum, squamis lanceolato-filiformibns 5-7 mm. longis 

 nigricantibus basi ovatis vel ovato-cordatis 1 mm latis medio linearibus versus 

 apicem filiformibus basi versus longitudinem exteriore plicatis margine remote 

 serrulatis. Stipes 10-20 cm. longus. Frons longissimc linearis verticaliter 

 pendula usque ad 220 cm. longa 10-13 mm. lata apice basique gradatim angus- 

 tissime acuminata utraque pagine glaberrima manifeste tortuosa, venis lateralibus 

 distincte visis. Sori ad sulcos marginales siti. 



HAB. Remogan, leg. B. HAYATA, Mai. 1916 ; Keitao, Ochobi, Kusukusu, 

 Taito: Chihon. 



Near V. scolopendrina TIIWAITES, but separable from it in the thinner 

 and narrower fronds which have costa not impressed |but somewhat elevated 

 on both surfaces, and especially by the sori which are in this new species 

 at the marginal groove, but not intra-marginal. 



Woodsia. 



Woodsia polystichoid.es EAT. Rhizoma brevissimum repens dense 

 frondigerum. Stipes nitidus castaneus vel stramineus dense csespitosus 34^ cm. 

 longus deorsum dense squamatus sursum sparse squamatus et cripato-hirsutus, 

 pilis castaneis crispatis, squamis castaneis lanceolatis 23 mm. longis ^ mm. latis 

 apice acuminatis margine integris vel fimbriis 1-2 instructis basi cordatis vel 

 peltatis. Frons lineari-lanceolata 59 cm. longa 1 ^-2 cm. lata apice acuminata 

 vel ad summum obtusa basi cum medio sequilata truncata simpliciter piunata, 

 pinnis mediis lineari-oblongis 7 mm.-ll mm. longis 2|mm.-4mm. latis apice 



