CHECK LIST OF FOREST TREES 153 



Crataegus gemmosa Sargent. 



Range. — New York (vicinity of Albany, in Monroe and Livingston Counties); 

 southern Ontario (vicinity of La Salle and of London) ; northwestern Ohio (Ot- 

 tawa County); southern Michigan; northern Illinois (Cook and Fulton Counties); 

 southern Wisconsin (vicinity of Waukesha and Madison). 



Crataegus illinoiensis Ashe. 



Range. — Illinois (Stark and Peoria Counties). 



Crataegus integriloba Sargent. 



Range. — Quebec (vicinity of Lachine Rapids, Caughnawaga, Rockfield, and 

 Adirondack Junction). 



Crataegus macracantha Koehne. 



Range. — Western Vermont (Addison County); central and western New York; 

 Ontario (vicinity of Toronto); Illinois (Barrington); eastern Pennsylvania 

 (Bucks and Northampton Counties). 



name in use 

 Spike Hawthorn (lit.) 



Crataegus nuda Sargent. 



Range. — Missouri (vicinity of Swan, Taney County). 



Crataegus victorinii Sargent. 



Range. — Quebec (Lonqueuil, opposite Montreal, in grounds of College Lon- 

 queuil Brother Victorin; Outremont, Montreal Island, Brother Victorin). 



GROUP 21: DOUGLASIAIOE (Loudon) Sargent 



Crataegus douglasii Lindley. Western Thornapple. 



Range. — From British Columbia (Parsnip River) through Washington and 

 Oregon to California (Pitt River) ; eastward in the United States through the 

 northern Rocky Mountain region to Wyoming (Big Horn Mountains). 



NAMES IN USE 



Thorn Apple (Cal., Utah, Wash., W r estern Hawthorn. 



Idaho, New). River Hawthorn. 



Hawthorn (Calif.). Wild Hawthorn. 



Black Haw (Mont.). Thorn-tree. 



Western Haw (Oreg.). Wild Thorn (Oreg.). 



Thorn (Mont., Idaho). Western Thornapple. 



Haw (Oreg.). Black Hawthorn (lit.). 

 Black Thorn (Idaho, Wash.). 



Crataegus rivularis Nut tail. 



Range. — Southeastern Idaho (Bannock County); from northeastern Nevada 

 (Elk County) to southwestern Wyoming, eastern Utah, southwestern Colorado, 

 and northern New Mexico. 



NAME IN USE 



River Hawthorn (lit.) 



