POLYPODIACEJE. 



167 



Dryopteris (Eudryopteria) nigrisquama HAYATA sp. nov. (Fig. 106). 

 Rhizoma ? Stipes 30 cm. longus basi dense sursum sparce squamatus, squamis 

 totis nigris inferioribus majoribus oblongis lanceolatis triangulari-lanceolatis 

 usque 1^ cm. longis usque 4 mm. latis, superioribus minoribus apice lineari- 

 acuminatis basi truncatis vel tenuiter cordatis margine remote setosis vel 

 integris. Frons oblongo-lanceolata 37 cm. longa 18 cm. 

 lata apice subito acuminata basi truncata pinnata, 

 pinnis mediis et inferioribus longissimis a se 4 cm. longis 

 angulo 70-80 a rhachibus divaricatis lineari-lanceolatis 

 sessilibus 10 cm. longis 1|- cm. latis apice acuminatis ad 

 summum obtusis basi latissimis truncatis vel truncato- 

 acutis margine grosse serratis, serris inferioribus 4 mm. 

 latis 1 mm. longis ascendentibusjapice submucronatis pro- 

 ximatis ; pinnae rectae vel sursum plus minus falcatae supra 

 subglabrae, costis supra teiiuiter impressis subtus elevatis, 

 venis lateralibus a se 3-4 mm. remotis basi ramosis ramis 

 liberis supra non visis subtus tenuiter visis; textura 

 herbaceo-membranacea ; pinnis suboppositis vel alternis. 

 Rhachis frondis minute squamata. Sori utroque latere 

 costse pinnae 2-3-seriatim vel 

 sursum 1 - - seriatim prope 

 costas dispositi. 



HAB. Mt. Arisan, leg. 

 B. HAYATA et S. SASAKI, 

 Jan., 1912. 



Near D. decipiens, but 

 differs from it by the shape 

 of scales and pinnae. 



Dryopteris (Lastrea) 

 ochthodes C. CH. (Fig. 

 107), Ind. p. 280. Lastrea 



OChthodes (KUNZE) BEDD. Fig.107, Dryopteris (lastrea) ocMhvdes C. C*. -, 



the plant ; D, a hair on the costa of a pinna ; 

 Fern. South lad. t. 106. portion of a pinnule; d, an indusium 



