YELLOW BIRCH. GRAY BIRCH. 



Betiila lutea ]\Iichx. 



Fit;. 143. Eraiiclilet with leaves and fruit, 1 ; emie scales, 2 : seeds, ,; ; liraiicblct liearin,!S leaves 

 and young staniinate catkins for next season's flowering, 4 ; firanclilets in winter, two bearing 

 young catlvins, 5. 



144, Trunk of tree, Lewis Co., N. \. 



