RHODOPHYCE, OR FLORIDE. 227 
the whole. While these changes are taking place 
the auxiliary cell also increases in size and richness 
of contents, while it approximates closely to the 
carpogonial cell, Sometimes, though not often, it 
Fic. 72.—Plocamium corallorhiza natural size. 
emits a conjugation-process towards the carpogonial 
cell, and when this is present the nucleus is to be 
seen within the process. More frequently the carpo- 
gonial cell emits a process (ooblastema filament) 
towards the auxiliary cell. Ultimately fusion takes 
Q 2 
