102 



STUDIES OF TREES 



Comparisons: The honey locust (Gleditsia triacanthos) 

 can be told from the black locust by the differences 



in their bark. In the 

 honey locust the bark is 

 not ridged, has a sort 

 of dark iron-gray color 

 and is often covered 

 with clusters of stout, 

 sharp-pointed thorns as 

 in Fig. 83. The fruit is 

 a large pod often remain- 

 ing on the tree through 

 the winter. This tree 

 has an ornamental, but 

 no commercial value. 



HARDY CATALPA 



(Catalpa spcciosn) 



C Distinguishing char- 



Mfc{ acters: The tree may 

 be told by its fruit, 

 which hang in long 

 slender pods all winter. 

 The leaf-scars appear 

 on the stem in whorls 

 of three and rarely op- 

 posite each other. 



Form and size: The catalpa has a short, thick and 

 twisted trunk with an irregular head. 



Range: Central and eastern United States. 



FIG. 83. Bark of the Honey 

 Locust. 



