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MORPHOLOGY 



FIGS. 66-73. Sphaeroplea: 66, cells producing sperms; 67, cells producing eggs, 

 which are surrounded by sperms; 68, eggs immediately after fertilization, each with one 

 nucleus; 69, fertilized egg (oospore) further advanced, with several nuclei; 70, oospore 

 with heavy wall; 71, zoospores formed by oospore; 72, escaped zoospore; 73, young 

 filament produced by zoospore. 66, 67, 71, after COHN; 68-70, after KLEBAHN; 72, 

 73, after HEINRICHER. 



