78 KEY TO GENERA AND SPECIES 



Fig. 142. Purple-leaved Beech (grafted). 



tive in Eurasia and Africa. 

 (Fig. 138.) European Black 

 Alder, Alnus vulgar is Hill. 

 121. Leaves conspicuously longer 

 than broad. Margins with 

 very small teeth. Me. 

 southward along the coast. 

 (Fig. 139.) Smooth Alder, 

 Alnus rugosa (Du Roi) 

 Spreng. 



Fig. 143. Ameri- 

 can Beech. 



