710 



AQUATIC PHYCOMYCETES 



■ 

 ■ 





- 



3 





Fig. 51. Sexual reproduction in Monoblepharella taylori Sparrow 



A-B. Mature oogonium and last of four antherozoids emerging from 

 hypogynous antheridium. C. Antherozoid making contact with egg. D-E. 

 Stages in absorption of male gamete by egg. F. Zygote immediately before 

 emergence; a small part of body of male gamete and its flagellum persist, the 

 flagellum having assumed a lateral position. G. Beginning of emergence of 

 zygote. H-K. Further stages in emergence of zygote. L. Zygote rounding off 

 and about to swim away from oogonium. 



(Sparrow, 1940b) 



