108 MISCELLANEOUS CIRCULAR 92, U. S. DEPT. OE AGRICULTURE 



end of Birch Lake — E. E. Carter), the Dakotas (Black Hills and Turtle Moun- 

 tains), northeastern Wyoming, western Nebraska, central Kansas, and south- 

 westward into central Tennessee, Oklahoma, and Texas (to Nueces River). 



NAMES IN USE 



Bur Oak (Vt., N. Y., Pa., Del., W. Va., Overcup Oak (R. I., Del., Pa., Miss., 



Ala., Miss., La., Tex., Ark., Mo., La., Ky., 111., Minn.). 



Ohio, 111., Ky., Iowa, Kans., Nebr., Blue Oak (Ont.). 



Wis., Mich.,* Minn., N. Dak., S. Scrub Oak (Nebr., Minn., Iowa). 



Dak.). Overcup White Oak (Vt.). 



Mossycup Oak (Mass., Pa., Del., Miss., Mossycup White Oak (Minn.). 



La., Tex., Ark., 111., Iowa., Nebr., White Oak (trade). 



Kans., Ontario, and hort.). 



X Quercus guadelupensis Sargent. Hybrid. 



Range. — Southeastern Texas (valley of the upper Guadalupe River at 

 Fredericksburg Junction, Kendall County. 



Note on nomenclature. — Supposed to be a hybrid between Quercus ?nacro- 

 carpa Michaux and Quercus stellata Wangenheim. 



X Quercus andrewsii Sargent. Hybrid. 



Range. — Western Oklahoma (Seiling, Dewey County). 



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

 carpa Michaux and Quercus undulata Torrey. 



X Quercus hillii Trelease. Hybrid. 



Range. — Indiana (vicinity of Roby); Missouri (Jackson County — vicinity of 

 Independence). 



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

 carpa Michaux and Quercus muehlenbergii Engelmann. 



* Quercus lyrata Walter. Overcup Oak. 



Range. — From New Jersey (Salem County) and Maryland (Patuxent River, 

 3 miles below Laurel), and southward to western Florida and west through the 

 Gulf region to Texas (Navasota River), through Arkansas, southeastern Mis- 

 souri (near Allenton), central Tennessee, Kentucky, southern Indiana, and 

 Illinois. Three trees reported in vicinity of Amana, Iowa, by Prof. B. Shimek. 



NAMES IN USE 



Overcup Oak (N. C, S. C, Ga., Fla., Water White Oak (S. C, Miss.). 



Ala., Miss., La., Tex., Ark., 111.). Oak (Ala.). 



Swamp Post Oak (Ala., N. .C, S. C, Swamp White Oak (Tex.). 



Miss., La., Mo.). White Oak (N. C, trade). 



X Quercus comptonse Sargent. 15 Hybrid. 



Range. — As now known, it is represented almost entirely by planted trees, 

 presumably from wild sources, in Alabama (Dallas County); Mississippi (Duncan 

 Park, Natchez, Adams County); Louisiana (Audubon* Park and in the streets 

 of New Orleans); Texas (Peyton's Creek, Matagorda County). 



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

 Walter and Quercus virginiana Miller. 



*Quercus bicolor Willdenow. Swamp White Oak. 



Range. — From southern Maine to northern Vermont and southwestern 

 Quebec; west through Ontario and southern peninsula of Michigan, southern 

 Wisconsin (Germantown, Juneau County), to southeastern Minnesota; eastern 



"According to C. S. Sargent (Bot. Gaz., LXV, 457, 1918) Charles Mohr first discovered this hybrid on 

 Peyton's Creek, Matagorda County, Tex., in 1880. The trees then found seem to have disappeared, for 

 subsequently no trace of them has been discovered. 



So far as is now known, this tree was previously described, in part, under Quercus lyrata Sargent (not 

 Walter) in Silva North Am.,VIII, 48, pi. 374, figs. 5 and 8, 1895. 



