YELLOW BIRCH. GRAY BIRCH. 



Betula lutea Michx. 



Fig. 143. Branchlet with leaves and fruit, i ; cone scales, 2 ; seeds. 3 : branchlet bearing leaves 

 and young staminate catkins for next season's flowering, 4; branchlets in 

 young catkins, 5. 



144- Trunk of tree, Lewis Co., N. Y. 



winter, two bearing 



