THE WILLOW AND POPLARS 



The wood is close-grained, soft, and not 

 strong, but it is made into pulp and used in the 

 manufacture of paper. The bark is brittle, 

 with a taste like quinine, but the inner bark 

 is sweet, and in the spring it is used as food 

 by the Indians. 



The generic name, Populus, is supposed to 

 have come from the Latin arbor populi (the 

 tree of the people), because rows of this tree 

 were always planted in public places about 

 Rome. The specific name, tremuloides, refers 

 to the leaves which tremble continually on 

 account of their long, flattened, pliable leaf- 

 stalks. The aspen grows wild throughout the 

 Northern United States and in the mountains 

 of Lower California and Mexico. 



A large tree, 60 to So feet high. 

 Large-toothed .,, , 7 . , , , 



Aspen with smooth greenish gray bark. 



Popuius grandiden- The buds are conical with some- 

 what downy scales and spread 

 at right angles from the stem. Slender twigs 

 and alternate leaf -scars. 



This tree is quite distinct from the American 

 aspen, although it is often confounded with it. 

 It is found much less frequently than the 

 American aspen. 



The wood is close-grained, soft, and light, 

 and is used for making wood pulp and wooden 



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