Gathering it 



It Floats 

 during the Day 



And Sinks at 

 Night 



Fluent 

 * with Connecting 

 8 Tubes 



The Male 

 Gamete (lower 

 left) Going over 

 and Mingling 

 with the Female 

 and Rounding 

 up into the 

 Fertile Spore 



Alternate Male 

 Cells on the 

 Left pass over 

 to Female on 

 the Right, 

 Forming a Spore 





THE MOTION STORY OF 



SPIROGYRA AND CONJUGATION 



IN TWO FORMS 



