POPULUS ALBA, L. 39 



petioles about 1-1^- inches long, more or less hairy, somewhat 

 flattened at right angles to the blade ; stipules short, ovate, 

 acute, soon falling. 



Inflorescence. Similar to that of P. balsamifera. 



Fruit. Similar to that of P. balsamifera. 



Horticultural Value. Hardy throughout New England ; has 

 an attractive foliage and grows rapidly in all soils and situa- 

 tions, but the branches are easily broken by the wind, and 

 its habit of suckering makes it objectionable in ornamental 

 ground ; occasionally offered by nurserymen and collectors. 

 Propagated from cuttings. 



PLATE XIX. POPULUS CANDICANS. 



1. Winter bud. 



2. Branch with fertile catkins. 



3. Fertile flower. 



4. Fruiting branch. 



Populus alba, L. 

 ABELE. WHITE POPLAR. SILVER-LEAF POPLAR. 



Range. Widely distributed in the Old World, extending in 

 Europe from southern Sweden to the Mediterranean, through- 

 out northern Africa, and eastward in Asia to the northwestern 

 Himalayas. Introduced from England by the early settlers 

 and soon established in the colonial towns, as in Plymouth 

 and Duxbury, on the western shore of Massachusetts bay. 

 Planted or spontaneous over a wide area. 



New Brunswick and Nova Scotia, occasional. 



New England, occasional throughout, local, sometimes 

 common. 



Southward to Virginia. 



Habit. A handsome tree, resembling P. grandidentata 

 more than any other American poplar, but of far nobler 

 proportions ; 40-75 feet high and 2-4 feet in diameter at 

 the ground ; growing much larger in England ; head large, 

 spreading ; round-topped, in spring enveloped in a dazzling 



