BOXELDER 



a. Winter twig, x 1. 



b. Leaf, x i/4. 



c. Staminate flowering 

 branchlet, x 1/2- 



d. Staminate flower, 

 enlarged. 



e. Pistillate flowering 

 branchlet, x 1/2- 



f. Pistillate flower, enlarged. 



g. Fruit, X 1. 



[306] 



