The Inheritance of Fasciations. 



491 



stitutes a uniforni group of individuals and only differs 

 from constant races or true varieties by the extraordi- 

 narily high degree of variability of its distinguishing 

 character. 



This degree of variability relates not only to the 

 degree of expansion of the axis, but also to the manner 

 in which the anomaly is manifested. First we have to 



Fig. ]o6. Viola tricolor maxima, the garden pansy. A 

 forked flower stalk arising from the axil of a double 

 leaf {a, a) ; .yand.y, the outer stipules; s , the inner un- 

 split stipules of this leaf. The continuation of the main 

 axis has been bent down laterally, {b). 



distinguish between the split branches and the fasciated 

 branches scnsn sfricfo. Split ears of the rye are some- 

 times found in the fields (Fig. 104) and then preserved 

 by the country folk. The axis of these ears may be 

 divided once or oftener, the parts above the division 

 being perfectly normal themselves. Or again the haulm 



