PLATE XLIIL PAPER BIRCH. 



h Flowering braiiLh with immature leaves, (s) staminate Bowers, (p) pistillate flowers, s *. 

 ^. Kram-Ii witli mature leaves, fruiting strobiles, and partly developed staminate aments. x I. 



3. A wiuyeU seed, enlarged. 



4, A strobile seale. enlarged. 



o. A winter branch with S partly developed terminal staminate aments, x *. 

 b. boot ion of a lateral winter spur-brancli, enlarged. 

 7. Section of a terminal winter branch, enlarged. 



