lOO EXPLANATION OF FIGURES IN PLATES. 



Pl,ATE V. — PhYLLACTINIA CORYIMA.. 



Fig. 54. — Primary nucleus of ascus, early metaphase. 



Fig. ss. — ^Anaphase, eight chromosomes on each half of the spindle. Polar 

 aster strongly developed. 



Fig. s6. — ^Late anaphase. 



Fig. 57. — Diaster; chromosomes still attached to pole by spindle fibers. 



Fig. s8. — Reconstruction of daughter nuclei; chromosomes elongating and 

 becoming irregular strands of chromatin. 



Fig. 59. — ^Later stage; strands of chromatin forming irregular cone extending 

 from central body into antipolar region of nucleus. 



