ANGIOSPERMjE, dicottledones. 



6 



759 



Flg. 429.— AmenUles. 



' Birch (Betula allja) shoot with mala and female catkins (the tormer at the apex). ' Ripe female catlcin of same. ' WinRed 

 nut of same. * Subtending scale of fruit of same. * .Shoot of Hornbeam {Carpinus Betuhm) with male and female catkins 

 (latter to right). ^ Scale of female catkin with flowers of same. ^ Scale from male catkin with stamens, s Scale uf female 

 catldo with ripe fruit. ', *, ', ' enlarged ; the rest nat. size. 



