118 SEAWEEDS 
Ectocarpus secundus and E. Lebelii, besides ordin- 
ary plurilocular sporangia, has already been men- 
tioned, and their full significance can be little 
more than guessed until much more is known of 
Fic. 29.—Ectocarpus confervoides. Filament with unilocular sporangia, and 
one plurilocular sporangium. Highly magnified. 
the reproductive processes in Phwophycew. Mean- 
time, observation of the possible relation of their 
antherozoids, which fully resemble those of Fucacee, 
Cutleriacee and Tilopteridaceee, with the gametes of 
the plurilocular sporangia, may help the matter. 
