THE LINDENS, ETC. 



45 



(heart-shaped) base is a long vein, from which extend 

 four or five branching ones with a backward curve. 

 This peculiar veining will be more easily seen in my 

 drawing of the European linden's leaf. 



So far as the appearance of the leaves is con- 

 cerned, there is very little difference between the 

 American species and its foreign relative; but be- 

 tween the trees the difference is at once apparent. 



European Linden. 



The European linden {Tilia Europma) is smaller, not 

 often over 35 or 40 feet high;* its twigs are nu- 



* The tree in Europe shows a very different record ; for in- 

 stance, the linden of Neustadt, on the Kocher in Wurtemberg, 

 was large enough in 1550 to require stone columns to support its 



