CHECK LIST OF FOREST TREES 143 



Crataegus diffusa Sargent. 



Range. — New Hampshire (Cheshire County); Vermont (Windham ai.d 

 Chittenden Counties); eastern, central, and western New York. 



Note on nomenclature. — Includes Crataegus Beckwithae Sargent and Cra- 

 taegus Robbinsiana Sargent. 



Crataegus luxuriosa Sargent. 



Range. — Pennsylvania (Armstrong and Crawford Counties). 



GROUP 8: TENUIFOLLE Sargent 



Crataegus apiomorpha Sargent. 



Range. — Northeastern Illinois (abundant in the vicinity of Chicago). 



Crataegus paucispina Sargent. 



Range. — Northeastern Illinois (May wood, vicinity of Chicago). 



Crataegus pentandra Sargent. 



Range. — Southern and western Vermont; southern Connecticut (New London 

 County); eastern and central New York. 5:i 



Crataegus lucorum Sargent. 



Range. — Illinois (vicinity of Barrington, Cook County); New York (vicinity 

 of Ithaca). 



Crataegus depilis Sargent. 



Range. — Northeastern Illinois (Lake, Cook, and Will Counties). 



Crataegus basilica Beadle. 



Range. — Western North Carolina (commonly at elevations of from 2,000 to 

 3,000 above sea level). 



Crataegus lacera Sargent. 



Range. — Arkansas (Red River Valley near Fulton, Hempstead County). 



GROUP 9: MOLLES Sargent 



Crataegus mollis (Torrey and Gray) Scheele. Red Haw. 



Range. — Northern Ohio and southwestern Ontario to eastern South Dakota, 

 eastern Nebraska and Kansas; southern Illinois (Richland County); Tennessee 

 (Davidson Gounty) . M 



NAMES IN USE 



Red Haw. Downy Hawthorn (lit.). 



Thorn Apple. 



Crataegus sera Sargent. 



Range. — Southwestern Ontario (Walpole Island); Michigan (Belle Isle — in 

 the Detroit River, Kent County); northeastern Illinois (Cook, Lake, Will, and 

 Dupage Counties); Wisconsin (vicinity of Milwaukee). 



« Britton and Shafer (North Am. Trees, 467, 1908) extends this range to Virginia (foothills of the Appa- 

 lachian Mountains). 



" Britton and Shafer (op. cit., 470) extend this range to Quebec, and thence through western New Eng- 

 land and southward to Tennessee. The recent discovery of this species in southern Illinois by Robert 

 Ridgway indicates also that it has a more southern range than was previously suspected. 



56751°— 27 10 



