36 Native Trees of Kentucky 



BIRCH FAMILY Betulaceae. 



The Birch Family consists of five divisions or genera, found 

 abundantly in the cooler portions of the North Temperate Zone. 



There are three genera of these trees in Kentucky, but no 

 member of this family noticeably affects the forests of the State. 



A. Genus Carpinus Hornbeam. 



B. Genus Ostrya Hop Hornbeam, Irnnwond. 



C. Genus Betula Birches. 



The chief characteristics of these genera are : 



1. Leaves alternate, simple, toothed. 



2. Flowers catkins of two kinds : staminate and pistillate 



on the same tree. 



3. Fruit cone-like structure of leafy scales. 



