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Rhodochorton membra naceum Magn. 

 Occurred in company with the last mentioned species. 



Polysiphonia arctica J. Ag. 

 With young branches. 



Del es ser i a Baerii (Post, et Rupr.) Post. 



All the specimens collected belong to the typical form. 



Delesseria sinuosa (Good, et Wood.) Lam. 

 With tetraspores. 



Euthora cristata (L.) J. Ag. 



A sterile fragment belonging to the narrower form has been collected. 



Turnerella Pennyi (Harv.) Schmitz. 

 Only some fragments. 



Phyllophora Brodiæi (Turn.) J. Ag. * interrupts (Grev.) K. Rosenv. 

 A single specimen has been collected. 



Actinococcus subcutaneus (Lyngb.) K. Rosenv. 

 Growing in the last mentioned species. 



Phæophyceæ. 



Alaria Pylaii (Bory) J. Ag. ß membranacea J. Ag. K. Rosenv. 



A young specimen collected seems to agree very well with this 

 variety. Probably the specimens collected by Ostenfeld and referred 

 to Alaria grandifolia J. Ag. (Rosen vinge I.e. p. 27) also belong to 

 this variety. 



Laminaria sp. 



Young, indeterminable specimens. 

 Omphalophyllum ulvaceum K. Rosenv. 



A few specimens of typical appearance have been collected. With 

 sporangia. 



