ALGAL 123 
In the swollen and forked tips (Fig. 111) of the rib- 
bon-like body of Fucus numerous flask-shaped cavities oc- 
cur, each of which communicates with the surface by a 
Fic. 115.—Fucus: showing eggs in the odgonium (A) and after discharge (£), anther- 
idium containing sperms (C), the discharged laterally biciliate sperms (@), and 
eggs surrounded by swarming sperms (/ and H ).—After STRASBURGER. 
