146 rOLYPODIACE.E. 



acuminata basi obtusa, iiinnulis lineari-lanceolatis 15 cin. longis 4 cni. latis 

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

 basi (lilatatis serrulatis, serrulis obtusis ; pinnis a se 15 cm., ]>innulis 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. Ushoko, leg. B. Hayata, Aprili. 1916, typus ! ; Arisan, 1912. 



Near D. Doederleinii, but diifers from it in the far much larger fronds. 



Diplazium uraiense Eosenst. L c. 336. 



Hab. Urai, in silvis 500 m. alt., IV^. 1914, U. Fauhie no. 185. 



D}'if<tpteris Adans. 



Dryopteris adaueta Rosenst. 1. c. 341. 



Hab. Kelung, secus rivulos, 50 m. alt., III. 1914, Fauiiie n. 40. 



Dryopteris aridum Baiv. 



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

 It is separated froni D. sophoroides in liaving a series of auriculiformed pinnas 

 towards the base of the fronds. 



Dryopteris atrosetosa Eosenst. 1. c. p. 342. 



Hab. Arisan, 2500 m. alt., V. 1914, U. Faurie, n. 382. 



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



Hab. Arisan, 2500 m. 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 4i mm. longis 2-1^ mm. hitis apice cuspidato-acuminatis integris, 

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

 cm. hjnga 30 cm. hita apice acuminata basi truncato-obtusa, i^innis a se 8 cm. 

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

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

 4 cm. hmgis l^ cm. Latis margine lobuhitis, h^bulis truncatis ; textura mem- 

 branacea lierbacea. Sori lineares 1-2 mm. longi. Indusium nuUum. 



Hab. Bankinsin, leg. U. Faurie (No. 183). 



Near D. decurrenti-alida Hook.; but differs from it by the much tliiiuier 

 fronds with more obtuse lobes and pinnules. 



