POLYPODIACE^E. 



153 



10 cm. remotse a rhaclribus frondium angulo 40-50 divaricatse, pinnuKs ordinis 

 primarii inferioritus a se 3 cm. remotis a rachibus pinnarum 70-80 divari- 

 catis, pinnulis ordinis secundarii inferioribus a se 1 cm. remotis a rhachibus 



Fig. 94, Diyopteris fluvlalis HAYATA ; a, a smaller specimen of the plant ; b, a larger 

 one ; c, a scale on the rhizome ; d, a pinnule ; e, portion of a setulose costula (upper surface) 



