I.] 



CORYLACE^. 



211 



FIG. 152. Monoecious inflorescence of Common Hazel. The staminate 

 flowers are in catkins, the pistillate flowers in small heads. 



N.B. The male flowers are arranged in pendulous 

 catkins, each flower consisting of 4 stamens with halved 

 anthers, inserted in the axil of minute bract-scales. 



The female flowers are collected in small heads sur- 

 rounded by several scale-like bracts, from which the 

 crimson stigmas project in early spring. The pollen is 

 conveyed to these, but the ovules are stated not to be 

 formed until some weeks latei. 



FIG. 153. Head of pistillate 

 flowers of Common Hazel, with 

 their protruded stigmas. 



FIG. 154. Scale ftvm catkin of mala 

 flowers of same, bearing 2 smaller 

 scales and 8 half-stamens. 



P 2 



