212 



FOLYPODIACE.E. 



latissimis 3 mm. latis -- mm. longis apice truncatis ; venis subfurcatis ; textnra 

 membranacea. Sori in lobulis singulis solitarii latissimi margiuales. 

 HAB. Kusukusu, Jun. 1912, leg. B. HAYATA et S. SASAKI. 

 Near L, cultrata Sw., but differs from it by the much narrower and 

 longer fronds with smaller and broader pinnae ; also 

 allied to lAndsaya linearis Sw. (in KUNZE Farn- 

 krauter I. t. 16-1) and Lindsay a gracilis= Lindsay a 

 securifolia PRESL. (KUNZE Farnkrauter I., t. 85-1), in 

 the linear lanceolate simple pinnate fronds. Perhaps a 

 form of L, cultrata. Sw. 



Diplazium Sw. 



Diplazium arisanense HAYATA sp. nov. (Fig. 

 144). Rhizoma ascendens erectum. Stipes tennis 30cm. 

 longns teres 2 mm. latus basi sqnamatus sursum glabra- 

 tus, squamis castaneis linearibus lanceolatis usque 8 

 mm. longis usque 1^ mm. latis. Frous 40 cm. longa 16 

 cm. lata ovato-lanceolata apice acuminata basi in arnbitu 

 rotundata bipinnata vel bipinnatifida, pinuis infimis 

 minus longis, mediis longissimis lanceolatis 13 cm. lougis 

 3| cm. latis apice acuminatissimis basi latissimis trun- 

 catis pinnatis 

 vel pinnatin- 

 dis subsessili- 

 bus vel iufeil- 

 oribus brevis- 

 sime petiola- 

 tis, pinnulis 

 infimis longis- 



b 



Fig. 144, Diplazium arisanense HAYATA; a, the plant; b, a por- SimiS OVato- 

 tion of a pinna ; c, a soras of the Athyrium-type ; d, another sorus of the oblongis24cm. 



Diplazium-tjpe. 



lougis 13 mm. 



latis apice in ambitu obtusis basi late cuneatis ad insertionem 3 mm. latis 

 sessilibus paullo insequilateralibus margine leviter lobulatis, lobulis pauce 



