Teratology in Juglans Californica Wats. 



29 



1909, and while abnormal flowers and fruits were not of general 

 occurrence they were very frequent. 



The most striking characteristic of the pistillate and bi- 

 sexual flowers is their form. They are asymmetrical, being 

 flattened more or less on the side adjacent to the axis of the cat- 



FiG. 3. a, b. Abnormal leaves from second-growth lateral catkin; c, d, e, leaves 

 associated with abnormal catkins. 



kin. This is well shown in figure 2, c. Along with this flat- 

 tening there is often a depression in the surface of the ovary, 

 usually extending from the styles to the base of the ovary, or 

 only part way, and of varying width. (Fig. 2, d). 



When such flowers develop into nuts, the latter retain the 

 peculiar form and surface characters, as shown in figure 1, b 



