THE MYCETOZOA 



143 



FIG. 40. THE ZOOSPORES OF STEMONITIS FLACCIDA (LISTER) AND PLAS- 

 MODIA OF PHYSARUM DIDERMOIDES (Rosx.) FIXED AND STAINED. 

 A, The fully developed myxoflagellate showing the relation of the 

 flagellum to the nucleus ; a contractile and a food vacuole are present ; 

 B-D, stages in mitotic division ; D, shows the formation of the 

 flagellum from the centrosome. From Doflein after Jahn. E, Plas- 

 modium-formation with fusion of nuclei ; F, Plasmodium with six 

 nuclei and incepted amoebulae. After Jahn. Compare Fig. 38 : 

 la and 2. 



sporangium about an hour before spores are formed, see 

 Fig. 41. 



