PLATE 8 



Juglans californica Wats. 



Fig. 12. — a. Normal pistillate catkin with a developing nut; b. Abnor- 

 mal catkin with pistillate flowers; c. Shows asymmetry of the abnormal 

 flowers; d. Shows depression in surface of ovary; e. A bisexual flower. 

 X 1. 



[38] 



