20 



clear memlDrcaie (fie, 29). The kinoplasi.iic cap grov/s around 

 tlie dau^liter nucleus, whose organization is now complete. 



The a>'.es of the mitotic figures seeias to "bear no rela- 

 tion to the axis of tlie cell not to the position of the cell 

 v/all (fig. 21), Y/lien the axis of the spindle is at right 

 angles to the cell wall, however, the daughter nuclei shift 

 tlieir position at telophase so that a line connecting them 

 is parallel to the cell wall. 



In the vegetative cells of the sexual individuals the 

 behavior of the nuclei in mitosis is in general similar to 

 that in tetrasporic individuals. The nujiiber of cliromatin 

 granules v/hich pass out from the nucleolus and become dis- 

 tribu.ted through the nuclea.r cavity, v/hile variable, is 

 always much less than in the nuclei of the tetrasporic 

 plant (figs, 30, 31). The size of the nucleus at prophase 

 is about the same in the two cases. At the time of meta- 

 phase, however, the cavity of the bucleus of the sexual 

 plant is somewhat smaller than that of the tetrasporic 

 pla,nt , The number of chromosomes on the equatorial plate 

 in the sexual plant is 7, though liere , too, the counting is 

 made difficult by the presence of a darkly staining sub- 

 stance between the chromosomes (figs, 32, 33). 



Mitoses of the type described above liave been observed 



