OOPHYTA. 145 
299. The odgone is a globular or ovoid short-stalked 
body containing eight germ-cells. The germ-cells escape 
from the odgone surrounded by an investing membrane, 
which floats out through the opening of the conceptacle, 
= 
ae 
Seen 
z 
rr 
Fie. 72.—A, end of branch of a Rockweed (Fucus evanescens), natural size; 
J, Ff, conceptacles. B. magnified section through a conceptacle, showing hairs, 
a, b; odgones, c; antherids, e. 
where it finally ruptures and sets the germ-cells free (ZZ, 
Fig. 73). The antherozoids, which are liberated at about 
the same time, gather around the inactive germ-cells in 
great numbers, and by the vigor of their movements some- 
times actually give them a rotary motion (ZZ7). The re- 
