STUDIES ON POLYPLOIDY 



I. CYTOLOGICAL INVESTIGATIONS ON 



TRIPLOIDY IN CREPIS 



BY 

 M. NAVASHIN 



University of Camfornia Pttblications in Agricultural Sciences 

 Volume 2, No. 14, pp. 377-400, plates 56, 57 



UNIVERSITY OF CALIFORNIA PRESS 



BERKELEY, CALIFORNIA 



1929 



