THE MORPHOLOGY OF THE CHROMOSOMES 127 



^^ Crepis pulcherrima 



'^ ^ ^5 CD E 



i/Ul-^v nil 



Crepis grand! flora ^ ^ ., ^./•^/./-. ^'//-^/r^ 



m. # ^'^i^/j *'/>: 



^'?i/i:a-^^i:,i 



Crepis Dioscoridis ^Ai \ 1^^ €£z Crepis rhoeadifolia 





It" tli/li/ 



Crepis fecforum ''' ' 





fl B C D E ^ ^ ^^^mCz 



I 



^^^^ Crepis rubra {\^ 



^1 Crepis parvi flora 



D, 



'•*i/\ 1^ ^ ^B C D E] 



^'e.M ■ I • ^^ ^ A ^B C D E 



'B, 



ill ""' ^^ ^ 1^ ^ 



Fig. 69.— The chromosomes in 10 species of Crepis. Diploid complement in root cell 

 at left; monoploid set at right. {Ajter M. Nawaschin, 1925a.) 



