Oct.. i9i5.] [£ YENDO.—ERYTHROPHYLLUMGMELINI{GRVN. . 237 



tion was all right but a comparison with the present species 

 might not he useless. The authors 1 ' referred to it. a specimen 

 distributed by Miss TlLDEN as American Algae Xo. 304- under 

 Graleloupia Cutleriae. The specimen of it in my possession is a 

 true Rhodymenia not comparable with either Ervthrophyllum or 

 Crossocarpus. 



As may be well understood, the questions above stated are 

 provoked from rather superficial observations Still, they are 

 mentioned h re with the hope of calling attentions of those 

 algologists who may happen to touch to the problematic 

 members in future. 



Sapporo, Aug. 11, 1915. 



1) ]. C., P. 315. 



