182 AMERICAN HANDBOOK 



2. P. ANGULATA, Aiton. Shoots angular. 

 Leaves heart-shaped, tapering at the point, 

 very large, and with fine serratures. Cot- 

 tonwood poplar. Native of the Western 

 States. . 



One of the most ornamental of poplars. It 

 is of very rapid growth, and, when full grown, 

 is round-headed and spreading. The leaves 

 are very large and glossy, and, the petioles 

 being: very flat, possess an aspen character. 

 The light and shade from the leaves, as they 

 are moved by every little breeze, gives the 

 tree a playfully pleasing appearance. It 

 does not do well in very dry situations, but 

 has no decided objections to others. It may 

 be propagated as No. 1. 



The finest specimen I have seen, probably 

 eight feet in circumference, stands by the 

 road-side near old Humphrey Marshall's gar- 

 den. 



3. P. BALSAMIFERA, Linnceus. Shoots 

 round. Buds very gummy. Leaves ovate- 

 acuminate, serrate, whitish beneath; petioles 

 round. Balsam poplar. : '*!;: 



Very short-lived in dry soils. It prefers 

 those that are deep, moist, and rich. It is 



