POLYPODIACKE. 



155 



bus. Frons ovato-lanceolata 30 cm. longa 13 cm. lata apice acuminata basi 

 truncata pinnata, pinnis superioribus brevioribus, iuferioribus longioribus sub- 

 sequilongis a se 4 cm. remotis suboppositis a rhacliibus angulo 50-SO divari- 

 catis pyramidal!- lanceolatis 8 cm. longis 2|- cm. latis subsessilibus vel breve 

 petiolatis (petiolis 3 mm. longis) insequalibus, latere superiore quam latere 

 inferiore angustioribus, pirmatis vel pinnatifidis, seg- 

 mentis infimis (latere inferiore) longissimis l cm. longis 

 8 mm. latis oblongo-rectangularibus apice rotundatis basi 

 truncato-contractis margine inferiore lobulatis superiore 

 duplicato-serrulatis ; textura coriacea ; costte pinnarum 

 basi canaliculate sursum planse distincte coloratse 

 subtus elevatse squamatse, costulis venis venulisque 

 supra impressis subtus leviter elevatis distincte coloratis 

 distincte visis tenuissimis ; pagina supra viridissima 

 subtus pallidior. Sori 

 utroque latere costulaa 

 segmentorum 1-seria- 

 tim a basi usque medi- 

 um frondis dispositi. 

 Indusium cordatum. 

 HAB. Arisan, leg. 



B. HAYATA et S. SASAKI, 



Jan., 1912. 



Dryopteris (Cte- 



nitis] Kawakamii 



HAY AT A (Fig. 96), 



Mater. Fl. Formos. p. 



416. Stipites erecti 



14 cm. longi dorso 



(supra) 3-sulcati 



stramineo - rubescentes 





Fig. 96, Dryopteris (Ctenitis) Kawakamii HAYATA ; 

 a the plant ; b, a scale on the stipe ; c, d, scales on the 

 costa of a pinna; e, a hair on the upper surface of the 



SOUamati, (squamis costa of a pinna; f, a glandular hair on the under surface of 



the costa of a pinna ; g, basal portion of an upper pinna 



copiosis imbricatis in h, an indusium. 



