ANGIOSPERM^, DI COTYLEDON ES. 



Fig. 429.— Amentales. 



Birch {Betula alba) shoot with male and female catkins (the former at the apex), 2 Ripe female catkin of same, s Winged 

 nut of same. * Subtending scale of fruit of same. 6 Shoot of Hornbeam (Carpinus Betulus) with male and female catkins 

 (letter to right), s Scale of female catkin with flowers of same. ' Scale from male catkin with stamens, s Scale of female 

 catkm with ripe fruit. 2, *, ^, "^ enlarged ; the rest nat. size. 



