KEY TO GENERA AND SPECIES 135 



elongated leaf-like bract. Fruit globular, 



woody, less than | inch thick. 

 198. Stamens attached to a petal-like body situated 



in front of the real petal 199. 

 198. Stamens not attached to "a petal-like body. 



Fig. 257. Red Buckeye. 



Commonly planted as a street tree in many 

 cities. Native in Europe. (Fig. 258.) 

 European Linden, Lime-tree, Tilia vulgaris 

 Hayne. 



199. Fruit ribbed. Leaves white-downy beneath. 

 Cult. Native in eastern Europe. Silver 

 Linden, Tilia tomentosa Muench. 



199. Fruit not ribbed. Native in United States 

 200. 



