158 SEAWEEDS 
Fic. 46.—a, Valunia ventricosa slightly reduced ; b, section of wall; 6): 0,8; 
reproductive bodies ; f, chromatophores 6, c, d, e, f, highly magnified; g, 
Halicystis ovals natural size; h, section of wall; k, J, chromatophores h, 
k, 1, highly magnified. (Ex. Phyc. Mem ) 
