62 MISCELLANEOUS CIRCULAR 92, U. S. DEPT. OF AGRICULTURE 



*Populus grandidentata Michaux. 



Largetooth Aspen. 



Range. — Nova Scotia, New Brunswick, southern Quebec, and Ontario to 

 northern Minnesota, and northeastern North Dakota; southward to Pennsyl- 

 vania, Ohio, and Iowa and (along the Allegheny Mountains) to North Carolina, 



central Kentucky, and Tennessee. 



NAMES IN USE 



Large-toothed Aspen (N. J., Pa., Del., 

 S. C, Mich., Minn.). 



Poplar (Me., N. H., Vt., Mass., R. I., 

 Conn., N. Y., N. J., Pa., W. Va., 

 N. C. S. C, Ga., 111., Ohio). 



Large-toothed Poplar (N. C). 

 Large Poplar (Tenn.). 

 White Poplar (Mass.). 

 Popple (Me.). 

 Large American Aspen. 



Populus grandidentata meridionalis Tidestrom. 



Range. — Delaware, Maryland, Virginia, North Carolina; southern Ohio; 

 southern Indiana and Illinois. 



variety distinguished in cultivation 



Populus grandidentata penduliformis Sudworth. Weeping Largetooth Aspen. 



*Populus heterophylla Linnaeus. Swamp Cottonwood. 



Range. — From Connecticut (Southington), New York (Essex, Clinton, and 

 Franklin Counties), and Long Island (Northport) southward near the coast to 

 southern Georgia and western Florida (Apalachicola River); westward in Gulf 

 region to western Louisiana and through Arkansas to southeastern Missouri, 

 western Kentucky and Tennessee, and southern Illinois and Indiana, and in 

 Ohio (Williams, Ottawa, Knox, Logan, Shelby, Richland, Auglaize, Licking, and 

 Lake Counties). 



NAMES in use 



River Cottonwood (R. L, Miss., La., 



Ohio). 

 Swamp Cottonwood (S. C, Miss., 



Del.). 

 Black Cottonwood (Ala.). 

 Cottonwood (N. Y., Va., N. C, S. C, 



Miss.). 



*Populus balsamifera Linnaeus. 



Range. — Coast of Alaska and valley of Mackenzie River (latitude 56°) to 

 Hudson Bay and Labrador; southward to northern New England and New 

 York (Taughannock Falls, Cayuga Lake), central Michigan and Minnesota, 

 North Dakota (Rolette County); South Dakota (Black Hills), northwestern 

 Nebraska, Colorado, northern Montana, Idaho, Oregon and, Nevada. 



Note on nomenclature. — Designated by some authors as Populus tacama- 

 haca Miller. 



NAMES IN USE 



Downy Poplar (Tenn., Ala., Ark.). 



Swamp Poplar (N. J.). 



Cotton-tree (N. C). 



Liar (La.). 



Langues de femmes (La.). 



Cotton Gum (N. C). 



Balsam Poplar. 



Balsam (N. H., N. Y., Wis., Mich., 

 Minn., Nebr., Mont., Ohio, Ont.). 



Balm-of-Gilead (Me., N. H., Vt., 

 Mass., R. I., Conn., N. Y., Mich., 

 Nebr., Minn., N. Dak., Ont.). 



Cottonwood (Idaho). 



Poplar (Wis., Minn.). 

 Balsam Poplar (N. H., Nebr., Minn.). 

 Tacamahac (Minn.). 

 Baumier (Quebec). 



Rough-barked Poplar (Hudson Bay 

 region) . 



VARIETIES DISTINGUISHED IN CULTIVATION 



Populus balsamifera intermedia Populus balsamifera latifolia (Moench) 



Loudon. • Loudon. 



Populus balsamifera viminalis Loudon. 



