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



NAMES IN USE 



Hog's Haw (La.). Pomette Bleue (La.). 



Red Haw (La.). Engelmann's Thorn (lit.). 



Crataegus saligna Greene. Willow Thorn. 



Range. — Colorado (at elevations usually above 5,000 feet in mountain valleys 

 and along the Cimarron, White, and Gunnison Rivers and their tributaries). 



NAMES IN USE 



Willow Thorn (lit.). Black Haw (Colo.). 



Green's Thorn (lit.). 



GEOXJP 20: MACEACANTILE Loudon 



Crataegus tomentosa Linnaeus. 70 Pear Haw. 



Range. — From New York (Hudson River near Troy) to eastern Pennsylvania 

 (Chestnut Hill); west through central New York to Ohio, southwestern Ontario, 

 southern Michigan (as far north as Roscommon County) , Indiana, and Illinois to 

 central Minnesota, Iowa, Missouri, and eastern Kansas; Allegheny Mountains to 

 northern Georgia, Alabama, and middle Tennessee (near Nashville). 



NAMES IN USE 



Black Thorn (R. I., N. J., Pa., Del., Thorn (N. Y., Ky.). 



Ga., Ky., 111., Ind., Ohio). Common Thorn (Pa.). 



Pear Haw (Ohio). Hawthorn. 



Red Haw (Mo.). Thorn-apple (111). 



Pear Thorn (R. I., N. J., Mich.). Thorn Plum. 

 White Thorn. 



Crataegus chapmanii (Beadle) Ashe. 



Range. — Virginia to northern Georgia and eastern Tennessee; southern Mis- 

 souri (Taney County). 



Note on nomenclature. — Includes Crataegus mollita Sargent. 



Crataegus gaultii Sargent. 



Range. — Northeastern Illinois (Milton Township and Glenellyn, DuPage 

 County, and at Mokena, Will County). 



Crataegus vegeta Sargent. 



Range. — Illinois (border of the Calumet River at Calumet). 



Cataegus deweyana Sargent. 



Range. — Western and central New York (Hagaman Swamp, vicinity of 

 Rochester, and at Rush, Portage, Castile, Silver Springs, and Ithaca). 



Crataegus succulenta Link. 



Range. — Northeastern Massachusetts (coast region) ; southwestern Vermont; 

 eastern and western New York; southern Ontario; northeastern Illinois; Penn 

 sylvania. 



NAME IN USE 



Fleshy Hawthorn (lit.) 



« w. W. Egglcston in Asa Gray's New Man. Bot., ed. 7, p. 478 (1908), designates this plant as Crataegus 

 Chapmanii var .Plukenetii Egglcston, his judgment being that the Cralxgus tomentosa of Linnaeus' Herba- 

 rium and of authors is not of Linnaeus' description. 



