102 



Bulletin 194 



White Birch. Gray Birch. Old Field Birch 



Winter twig, x 1. 

 Portion of twig, enlarged. 

 Leaf, X 1. 



Flowering branchlet, x %. 

 Staminate flower, enlarged. 

 Pistillate flower, enlarged. 

 Fruiting branchlet, x i/.. 

 Fruit, enlarged. 



