Sorting and blending of unit characters. 



207 



0. nutans 



0. nutella (n X p; 



0. pycnella (n X p) 0. iortuosa (n X b) 



Fig. 4. 

 Rosettes (autumnal) of Oc. nutans and the three hybrid types of the Fj^ generation of the 

 cross, nutans X pycnocarpa. The Oe. nutans is in the upper left corner, the segregate twins 

 are in the lower row, hyhrida pycnella at the left, hyhriila iortuosa at the right. The 

 blend "triplet", hybrida nutella, is in the upper right corner. Observe the broadness and 

 toothedness of the nutans leaves in pycnella, and the narrowness and cutness of pycnocarpa 

 in the leaves of tortuosa, the crinkledness and convexity of nutans in the leaves of tortuosa. 

 In nutella note the intermediate width and edge character of tlie leaves. 



