130 FAMILIAR TREES AND TIIEIR LEAVES. 



The leaves are large and beautiful, perfectly heart- 

 shaped, green, of a light-olive tone above and whitish 

 (sometimes rusty) beneath; their stems are an inch 



P. Balsamifera, var. 

 Intermedia. 



P. Balsamifera, var. 

 Viminalis. 



P. Balsamifera, 

 var. latifolia. 



and a quarter long, a trifle hairy, and a little bit 

 flattened ; sometimes they are touched with red. 

 The bark of the twigs is raw-umber brown in color ; 

 that of the trunk is about the same, with darker 

 patches. The tree is exceedingly rare in a wild state, 

 but is very common in cultivation. It was planted on 

 the borders of the lagoon at the World's Fair, where 

 its rich, broad foliage showed in handsome, irregularly 

 rounded masses. The tree in this respect is quite dif- 

 ferent from the other poplars, which exhibit rather 

 pyramidal figures. 



Perhaps the most beautiful of these taller and 



