«t ^ ^ 



Fig. 128. Meiosis in hexa- 

 ploid Polypodium, perma- 

 nent acetocarmine. x 500. 

 A very clear preparation 

 showing n = 1 1 1 without 

 equivocation but needing 

 a low magnification for 

 reproduction. For ex- 

 planatory diagram see 

 Fig. 129. 





* V 



*■ * x < 







^ 



4. 



^^* ^ ^ ^xv* 



Hexap/oid po/c^poc/ium ^ " 



Fig. 129. Explanatory diagram to Fig. 128. x 750. 



