1 1 1 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 26 



PLATE 19 



Fig. 1-2. Ceramium eatonianum (Farl.) De Toni. Fig. 1, Part of an axis 

 showing complete cortication and gland cells, X 160; Fig. 2, Upper 

 part of a branched axis, X 3. 



Ceramium fimbriatum S. & G. Part of a tetrasporangial axis, X 230. 



Ceramium equisetoides Daws. One of the stichidium-like tetraspor- 

 angial branches, X 200. 



Ceramium codicola J. Ag. A sterile tip and part of a tetrasporangial 

 axis, respectively, X 55 (after S. & G.). 



Ceramium caudatum S. & G. Part of a tetrasporangial axis (but the 

 cortical cells apparently not accurately drawn) X 67 (after S. & G.). 



