OOPHYTA. 133 
forms partitions, taking on eventually the form of the adult 
filament. It sometimes happens that before the new plant 
resulting from the growth of a zodspore has formed its 
Fic. 62.—Showing the sexual state of an CEdogonium. A, part of a filament 
with three odgones. og; m, m, small filaments (dwarf males) which produce an- 
therozoids in this species; B, an odgone at time of fertilization; D, part of fila- 
ment of another species, showing escape of antherozoids. Highly magnified. 
first partition, the protoplasm again abandons its cell, to be 
for a second time a zodspore (Z). 
278, In the sexual reproduction of the plants of this class 
