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



GROUP 12: ROTUNDIFOLIiE Eggleston 



Cratsegus coccinea Linnaeus. Scarlet Haw. 



Range — Newfoundland to Connecticut (commonly in the coast region) and 

 in the St. Lawrence River Valley to western Quebec. As this species is now 

 understood, its range is confined to northeastern United States and adjacent 

 Canadian territory, whereas formerly it was made to include practically the 

 eastern half of the United States. 



NAMES IN USE 



Scarlet Haw. Scarlet-fruited Thorn. 



Black-thorn. Albespine. 



Crimson Haw. 



Crataegus rotundifolia Moench. 



Range. — Nova Scotia, southern Quebec, and Ontario to Manitoba and Sas- 

 katchewan; southward in New England and New York (eastern and northern), 

 Michigan and northern Indiana; Pennsylvania (Lackawanna, Bucks, Northamp- 

 ton, and Blair Counties). 



Note on nomenclature. — Formerly designated as Crataegus coccinea var. 

 rotundifolia (Moench) Sargent. 69 



NAME IN USE 



Roundleaf Hawthorn (lit.) 



Crataegus rotundifolia pubera Sargent. 



Range. — Newfoundland to Lake St. John, Quebec, northern Ontario, Winnepeg 

 and Manitoba; southward in eastern Canada, New England to southern Con- 

 necticut, northern and western New York (Essex County), northern peninsula of 

 Michigan, and northeastern Wisconsin, central Minnesota (Sterns County). 



Crataegus jones89 Sargent. 



Range. — Southeastern Maine (Isleboro and Belfast Bay to Mount Desert 

 Island) . 



Crataegus margaretta Ashe. 



Range. — Ontario to southern Michigan, Illinois, Indiana, Ohio, and Iowa, 

 Missouri (Webster — vicinity of St. Louis to Springfield); middle Tennessee. 



Crataegus margaretta brownii (Britton) Sargent. 



Range. — Indiana (Lake Everett, Allen County); Virginia (Buchanan, Bote- 

 tourt County). 



Note on nomenclature. — Formerly designated as Crataegus brownii Britton. 



Crataegus mansfieldensis Sargent. 



Range. — Ohio (vicinity of Mansfield, Richmond County). 



•• Crataegus coccinea rotundifolia (Moench) Sargent formerly was held to be a shrub a ;curring from New 

 England to eastern Pennsylvania (C. S. Sargent in Bot. Gaz., XXXI, 14, 1901). 



