12 



CARL SKOTTSBERG, MARINK AI.GJE 1. PH^EOPHYCE^. 



Fig. 4. Gononema ramosum: a — C from St. 42; Jl part of tuft, with spor., X 55; b id. also witli gainetangia, X "200; 

 C base of filament, X 180; d — f from St. 11, typioal filaments with gainetangia, in f some cells of the höst visible, 



X 180; g" — h Myriactis -like plnnts from St. 11, X 180. 



