FIG. 62. 1, longitudinal section through a male conceptacle of Fucus vesicu- 

 losus, showing the cavity nearly filled with antheridia surrounded by para- 

 physes ; 2, some of the antheridia and paraphyses more highly magnified ; 

 3, ripened antheridia allowing the antherozoids to escape; 4, an egg cell 

 like those in Fig. 63, 4, surrounded by antherozoids. All much magni- 

 fied. (From Kerner and Oliver, after Thuret.) 



115 



