306 ' POLYPODIACE.E. 



venis vemilis utrac[ue pagiiie teuuiter elevatis, veuis lateraliljus priuiariis inediis 

 a se 2| mm. remotis a costa angulo 45° egressis ad basin venulis singulis utro- 

 que latere emittentibus ad medium 1-plo vel 2-plo furcatim ramosis, venulis 

 totis liberis subrectis vel deorsum vel sursum recurvis ad apicem serrarum 

 secundariarum attingeutibus ; pagina sujira in exsiccato fusco-viridescens subtus 

 pallidior ; pinnis inferioribus gradatim minoribus in pinna infima iisquc ad 



4 cm. reductis, superioribus gradatim minoribus ad pinnas superrimas usf|ue ad 



5 mm. lougas reductis, pinnis inferioribus suboppositis medio superiijribas alter- 

 nis; pinnis inferioribus a sc utroque latere 3cm. remotis, superioribus gradatim 

 approximatis ; pinuis a rbachide frondis angido circ. 90'-80° egressis subrectis 

 sed plus minus basi deorsum apice sursum rccurvis. Frous ad apicem interdum 

 prolifera ibique radicans ; rhachis froudis minute remoteque squamata supra 

 dorso complanata canaliculata per medium canaliculorum tenuissime 1-costata, 

 costis tenuissimis. Fr. fertilis: Stipes quam is frondis sterilis longior 30-3.") cm. 

 longus. Frons in ambitu linearis 20-25 cm. longa 3-3^ cm. hita ajiice grada- 

 tim attenuata obtusa basi abrupte truncata, pinnis medio deorsum tequilongis 

 breve petiolatis (petiolis 1-2 mm. longis) linearibus 13 mm. longis 3^-4 mm. Uxtis 

 apice rotundato-obtusis ab apice usque ad basin ajquilatis basi subcordatis 

 pagine coriaceis supra glabris in exsiccato fulvo-rubescentibus subtus totis sori- 

 feris margine serrulatis deorsum recurvis, costa supra minus subtus plus elevata ; 

 pinnis medio superioribus gradatim miuoribus versus ai^icem ad pinuam ob- 

 longo-rotundatam 5 mm. longam reductis. 



Hab : Akochd : Tanashu, leg. G. Nakahara, Jan. 1905. 



Near P. appendiculata J. Sm., but separable from it by the much thinner 

 fertile pinn.T?, and duplicately serrate sterile pinufi3 witli veiy short bristles at the 

 sinus. 



Polybotrya marginata Blume F1. Jav. Fil. p. 18, t. 3. Ehizoma repena 

 dense frondigerum. Fr. sterilis : stipes 10-20 cm. longus sparse squamatus, 

 squamis lanceolatis acuminatis 2 mm. longis ; frons lineari-lanceolata stipitem • 

 |-plo in longitudine Eequans 15-25 cm. longa 3-5 cm. lata a\AcQ acuminato- 

 pro-longata, (acumine lineari 3J cm. longo 3-5 mm. lato recto margine dentato 

 interdum basi prolifero) pinnata, pinnis (infimis superioribus exceptis) omnibua 

 requilongis, raediis 3cm. longis 6 mm. latis linearibus mai-gine iiarallelis apice 



