CCXII. COEYLACE^. 



717 



pendulousy anatropous, Nut involucrate by foliaceous hracteoles. Seed solitary y exal- 

 huminous. Embryo straight, — ^Stem woody. Leaves alternate, stipulate. 



Shrubs or small trees. Leaves alternate, penninerved, doubly-toothed, 



Hazel-nut. 

 5 catkin (mag,). 



Hazel-nut. 

 9 flower with a 

 velvety "oracteole, 

 the future foli- 

 aceous cupule 

 (mag.). 



Hazel-nnt. 

 3 flower (mag.). 



Hornbeam. 

 (J flower (mag.J. 



Hazel-nut. (CoiT/ltts Avellana.) 

 3 and Q catkins. 



Hazel-nut. 



Fruits enveloped in their bracteoles become 



a foliaceous cup with notched edges. 



Hornbeam. 

 Q flower (mag.). 



Hazel-nut. 



Bracteif orm perianth 



of the $ flower, inner 



face (mag.). 



Hornbeam. (Carpinus Setulus.) 

 9 and ^ catkins. 



Hornbeam. 

 Stamen (mag.). 



Hornbeam. 

 Fruit cut vertically. 



stipulate, folded obliquely along their lateral nerves, and facing the axis either by 

 their inner spreading face {Ostrya, Garpirms), or by one of their sides pressed agains^ 

 the other {Gorylus). Flowers monoecious, in 1-sexual spikes; ^ in cylindric 

 catkins, accompanied by a naked bract, or folded within 2 juxtaposed bracteoles. 

 Perianth 0. Stamens several, inserted at the base or middle of the bract, and 



