146 POLYPODIACE.E. 



acuminata basi obtusa, pinnnlis lineari-lanceolatis 15 cm. longis 4 cm. latis 

 pinnatifidis, segmentis late linearibus 2 cm. longis 7 mm. latis obtusissimis 

 basi dilatatis serrulatis, serrulis obtusis ; pinnis a se 15cm., pinnulis a se 3-4 

 cm., segmentis a se 3-4 mm., remotis ; textura herbacea ; utraque pagine glabra. 

 Sori prope costulam dispositi lineares 3 mm. longi. 



HAB. Ushok5, leg. B. HAYATA, Aprili. 1916, typus ! ; Arisan, 1912. 



Near D. Dc&derleinii, but differs from it in the far much larger fronds. 



Diplazium uraiense ROSENST. 1. c. 336. 



HAB. Urai, in silvis 500 m. alt., IV. 1914, U. FAURIE no. 185. 



Dryvpteris ADANS. 



Dryopteris adaucta ROSENST. 1. c. 341. 



HAB. Kelung, secus rivulos, 50 m. alt., III. 1914, FAURIE n. 40. 



Dryopteris aridum BAK. 



The species is confounded with D. sophoroides among Formosan specimens. 

 It is separated from D. sophoroides in having a series of auriculiformed pinnaa 

 towards the base of the fronds. 



Dryopteris atrosetosa ROSENST. 1. c. p. 342. 



HAB. Arisan, 2500m. alt., V. 1914, U. FAURIE, n. 382. 



Dryopteris aureo-vestita ROSENST. 1. c. p. 343. 



HAB. Arisan, 2500m. alt., V. 1914, U. FAURIE, n. 390. 



Dryopteris bankinsinensis HAYATA sp. nov. (Fig. 73-74). Stipes 40-50 

 cm. longus minute hirsutus sparse squamatus, squamis tenuissimis ovatis vel 

 lanceolatis 4^ mm. longis 2-1^ mm. latis apice cuspidato-acuminatis integris, 

 cellulis linearibus stramineis. Frons bipinnata in ambitu ovato-triangularis 40 

 cm. longa 30 cm. lata apice acuminata basi truncato-obtusa, pinnis a se 8 cm. 

 remotis inferioribus longioribus 20 cm. longis 7 cm. latis apice acuminatis basi 

 truncatis pinnatis, pinnulis sessilibus a se 1^ cm. longis oblongo-linearibus 

 4 cm. longis 1^ cm. latis margine lobulatis, lobulis truncatis ; textura mem- 

 branacea herbacea. Sori lineares 1-2 mm. longi. Indusium nullum. 



HAB. Bankinsin, leg. U. FAURIE (No. 183). 



Near D. decurrenti-alata HOOK.; but differs from it by the much thinner 

 fronds with more obtuse lobes and pinnules. 



