

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



X Quercus podophylla Trelease. Hybrid. 



Range. — Virginia to South Carolina (coast region). 



Note on nomenclature. — Supposed to be a hybrid between Quercus cinerea 

 Michaux and (?) Quercus velutina La Marck. It is Quercus petiolaris Ashe, 

 which appears to be preoccupied. 



X Quercus dubia Ashe. Hybrid. 



Range. — Range imperfectly known at present. As now understood this 

 hybrid occurs in TSTorth Carolina (Bladen County); Florida (vicinity of Jackson- 

 ville). Trees believed to be of the same origin have been found in South Carolina 

 (Beaufort County); Georgia (Telfair and Decatur Counties); Florida (Duval, 

 Orange, Alachua, Putnam, and Columbia Counties); and in Mississippi (Lincoln 

 County) . 



Note on nomenclature. — Supposed to be a hybrid between Quercus cinerea 

 Michaux and Quercus laurifolia Michaux, some authors also believing it to be a 

 hybrid between Quercus phellos Linnaeus and (?) Quercus velutina LaMarck. 



Quercus imbricaria Michaux. Shingle Oak. 



Range. — From Pennsylvania (Lehigh County) west through Ohio to southern 

 Michigan (Washtenaw County, Kalamazoo County), and Wisconsin to Missouri, 

 northeastern Kansas and southeastern Nebraska; south to the District of Co- 

 lumbia and (in the Allegheny Mountains) to northern Georgia and Alabama, to 

 middle Tennessee and northern Arkansas. 



NAMES IN USE. 



Shingle Oak (Del., Md., N. C, S. C, Water Oak (N. C, Tenn., Ky.). 



Ky., Mo., Ind., 111., Kans., Iowa, Turkey Oak (N. C). 



Nebr.). White Oak (N. C). 



Laurel Oak (Pa., Del., S. C, Ky., 111., Swamp Oak (Mo.). 



Nebr., Iowa). Pin Oak (Mo.). 

 Jack Oak (111.). 



X Quercus exacta Trelease. Hybrid. 



Range. — Missouri (8 miles west of St. Louis; but tree since destroyed); 

 southern Illinois (vicinity of Olney); northwestern Indiana (vicinity of Crown 

 Point) ; Pennsylvania (at Finland, Bucks County. — W. A. Kline) . 



Note on nomenclature. — Formerly designated as Quercus imbricaria x palus- 

 tris Engelmann, which are believed to be the parents. 



X Quercus leana Nuttall. Lea Oak (Hybrid). 



Range. — Ohio (near Cincinnati); District of Columbia and western North 

 Carolina to southern Michigan, throughout Illinois, and southeastern Missouri. 

 Range imperfectly known. 



Note on nomenclature. — Supposed to be a hybrid between Quegus im- 

 bricaria Michaux and Quercus velutina LaMarck. 



NAME IN USE 



Lea Oak 



Quercus hypoleuca Engelmann. Whiteleaf Oak. 



Range. — From western Texas (mountains) over mountains of New Mexico 

 and Arizona, south of the Colorado Plateau; Mexico (northern Chihuahua and 

 Sonora) . 



NAMES IN USE 



Oak (Ariz.). White-leaved Oak. 



Mexican Oak. 



