



H 



Fig. 221. Sexual reproduction of Fucus, showing the eight eggs (six in sight) dis- 

 charged from the oogonium and surrounded by a membrane (A), eggs liberated 

 from the membrane {E), antheridium containing sperms ( C), the discharged lat- 

 erally biciliate sperms ( G), and eggs surrounded by Bwarming sperms (F, H). — 

 After Singer. 



