Gray Birch, Old Field Birch, White Birch 



Betiila populifolia Marsh, 

 iml sUniiiiiiiLe 



A twin showing pistillate 



aineuts x Vj 

 I'.iact anil bracteoles from staniinatc ament 



showing stamens, distal view x 5 

 Slainiiiate flowers with siibtendinff bracts 



and sepals, axile view x 5 

 r.ract and bracteoles from pistillate ament 



showing styles, abaxile view x 15 



I'istillale flowers with subtending bracts, 

 axile view x 15 



A twig showing mature leaves and fruit- 

 ing strobiles x Y^ 



Scale from fruiting strobile, abaxile view 5 



Winged nutlet x 10 



Winter twig x Vi 



