314 



POLYPODIACE^E. 



venas 1-seriatim dispositi costa plus approximati quam margine. 



Polypodium ensatum HAYATA in MATSUM. et HAY ATA Enum. PL Formos. 

 p. 630 (non THUNB.). 



HAB. Shintiku : Mt. Goshizan, leg. U. MOEI, Jan. 1907, (No. 5111). 



Near Polypodium hemionitideum WALL. (BAKER Syn. Fil. p. 36Q.=Pleopeltis 

 hemionitidea WALL. BEDD. Fern. South Ind. t. 172) in the very short stipes 

 and semi-transparent membranaceous fronds with very prominent costules and 

 veins, but differs from 

 it by the fronds with a 

 suddenly tapering base. 

 Polypodium hy- 

 pochrysum HAYATA 

 sp.nov.(Fig. 127- A-B). 

 Epiphytica ? Rhizorna 

 repens subteres 3-4 

 mm. in diametro sub- 

 viride dense squama- 

 tum, squamis fulvo- 

 castaneis caudato-ro- 

 tundatis 2|mm. longis 

 l^mm. latis apice cau- 

 datis (caudis 1| mm. 

 longis) basi rotundatis 

 profunde cordatis, lobis 

 cordis valde imbricatis, 

 margine erosis, pulvi- 

 nis stipitum elevatis. 

 Stipes ad basin dense 

 squamatus a basi sur- 

 sum subglaber vel 

 sparsissime squamatus 

 stramineus doi*so com- 

 planatus cum fronde Fig. 127-A ; Polypodium hypochrysum HAYATA. 



