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 (), and eggs surrounded by swarming sperms (F, H). 
After SINGER. 
