POLYPODIACE^E. 



169 



utraque pagine non distinctis vix visis ; pinnis inf erioribus plus minus reflexis, 

 pinnis superioribus gradatim ascendentibus. Sori utroque latere costse seg- 

 mentorum 1-seriatim a basi . frondis sursum dispositi, prope apicem frondis 

 desunt. 



HAB. Arisan, ad 7000 ped. alt., leg. 

 B. HAYATA et S. SASAKI, Jan. 1912. 



Near D. pdylepis, but differs from it by 

 the much thicker coriaceous fronds with 

 ebony black scales. 



Dry opt er is (ffadryofferia) phaeolepis 

 HAYATA sp. nov. (Fig. 109). Polystichum 

 phceolepis HAYATA in sched. Herb. Taihoku. 

 Rhizoma ascendens apice dense squama- 

 turn. Stipt^ 35 cm. longus basi dense squa- 

 matus sursum glaber, squamis pyrarnidali- 

 lanceolatis 10 mm. longis 3 mm. latis apice 

 acuminatissimis basi latissimis truncatis 

 castaneis. Frons in ambitu pentagona 30- 

 40 cm. longa totiusque lata apice acuminata 

 basi in ambitu cordata tripinnata, pinnis 

 infimis bipinnatis, piunis superioribus pin- 

 natis vel pinnatifidis, pinnis breve petiolatis, 

 pinnis superioribus lanceolatis, pinnis infimis 

 oblique triangularibus 20 cm. longis 16 cm. 

 latis latere inferiore basi 14 cm. latis latere 

 superiore basi 3 cm. latis apice acuminatis 

 basi obtusis, pinnulis infimis ordinis prima- 

 rii (latere inferiore) multo longioribus lineari- 

 lanceolatis 14 cm. longis 28 mm. latis apice 

 acuminatissimis basi obtusis pinnatis (latere 

 inferiore latioribus quam latere superiore), 

 pinnulis ordinis secundarii inferioribus lineari-oblongis 2 cm. longis 7 mm. latis 

 apice obtusissimis basi acutis plus minus adnatis sessilibus margine lobulatis, 



Fig. 1O9, Dryopteris phcvolepis 

 HAYATA ; a, the plant ; b, a scale 

 on the rhizome ; c, a hair on the 

 lower surface of the fronds ; d, a 

 pinnule ; e, an indusiam. 



