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



Crataegus dallasiana Sargent. 



Range.— Texas (bottom-lands of Trinity River, Dallas County). 



Crataegus lettermanii Sargent. 



Range. — Missouri (vicinity of Allenton). 



Crataegus pratensis Sargent. Prairie Thorn. 



Range. — Illinois (Stark, Richland, and Peoria Counties). 



name in use 



Prairie Thorn 



GROUP 4: AESTIVALES Sargent 



Crataegus aestivalis (Walter) Sargent. May Haw. 



Range. — Georgia (Effingham and Lowndes Counties) ; South Carolina (Hamp- 

 ton and Aiken Counties); southeastern North Carolina (Craven County). 

 Note on nomenclature. — Not Crataegus aestivalis Torrey and Gray. 



NAMES in use 



May Haw. Summer Haw. 



Apple Haw. 



Crataegus aestivalis maloides Sargent. 



Range. — Florida (Haw Creek, 6 miles east of Seville, Volusia County). 



Crataegus rufula Sargent. 



Range. — North Carolina, Georgia, Florida, and Alabama. 

 Note on nomenclature. — Formerly designated as Crataegus aestivalis Torrey 

 and Gray (in part), but not Mespilus aestivalis Walter. 



Crataegus opaca Hooker. 



Range. — Alabama (Mobile and Dallas Counties); Mississippi (Forrest and 

 Lauderdale Counties); Louisiana; eastern Texas (to the Trinity River). 



GROUP 5: VIBIDES Beadle 



Crataegus viridis Linnaeus. Green Haw. 



Range. — From southeastern Virginia (Isle of Wight County) to western 

 Florida; westward in the Gulf States to Texas (San Antonio River); northward 

 to Oklahoma, Arkansas, southeastern Kansas, Missouri, southern Illinois (to Pike 

 County) ; southeastern Tennessee. 



NAMES in use 



Tree Haw (Ala., Miss., La., S. C). Tree Thorn (Fla.). 



Red Haw (Ala., Miss., La.). Southern Thorn. 



Haw (Ala.). Green Haw. 

 Senellier (La.). 



Crataegus ovata Sargent. 



Range. — Missouri (St. Louis and Jasper Counties). 



