POLYPODUCE.E. 



203 



celliilaribiis brevissiinis apice plus minus clavatis, snpra canaliculata, petiolis 

 pinnarura supra caualiculatis cum rliacliibus frondium articulatis ; textnra raem- 

 branacea ad raarginera valde tenuissima, costis venis venulis uti-aque pagine 

 plauis subtus leviter elevatis distincte visis parce pilis glandularibus uni- 



Pig. 137, Xephrolepis tenuisshna Hayata; a, the plant; f, a scale on tbe rhizome; 

 c, a part of a rhaehis with a petiole ; d, a glandiUar hnir on the same ; e, a pimi.-i; b, a 

 sorus ; g, an indvisiiim. 



