Fig. 98. 

 Multiple chromosome groups of different varieties of chrysanthe- 

 mums; a, with 9; 6, with 9; c, with 18; d, with 21; e, with 36; 

 /, with 45 chromosomes. (After Tahara.) 



Fig. 99. 

 Nuclei in the diakinetic stage of several varieties of chrysanthe- 

 mums, a and b with 18 chromosomes; c with 27; d with 36; e with 

 45; f with 45 chromosomes. (After Tahara.) 



