UNIVERSITY OF CALIFORNIA PUBLICATIONS 



IN 



AGRICULTURAL SCIENCES 



Vol. 2, No. 10, pp. 297-314, plate 53 March 5, 1925 



CHROMOSOME NUMBER AND INDIVIDUALITY 

 IN THE GENUS CREPIS 



I. A COMPARATIVE STUDY OF THE CHROMOSOME 

 NUMBER AND DIMENSIONS OF NINETEEN SPECIES 



BY 

 MARGARET CAMPBELL MANN 



UNIVERSITY OF CALIFORNIA PRESS 

 BERKELEY, CALIFORNIA 



