188 GEOLOGY OF OHIO. 



Quercus macrocakpa Michx. Bur-oak, Over-cup or Mossy-cup Oak. 

 Generally distributed. 



Quercus muhlbnbergii Engelm. Yellow Oak. Chestnut Oak. 

 Frequent throughout the southern half of the state. 



Quercus muhi,EnberGii humiws (Marsh.) Britt. (Q. prinoides Willd.) 



Southern Ohio, J. A. Warder (Woody Plants of Ohio); Q. prinoides Willd. 

 Moses Craig (O. S. U. Flora) is Q. muhlenbergii. 



Quercus nigra L. Black Jack. 

 Lawrence Co., W. A. Kellerman. 



Quercus palustris Du Roi. Swamp, Spanish or Pin Oak. 

 Frequent over the state. 



Quercus prinus L. Chestnut Oak. 



Licking Co., H. L. Jones (Cat); Fairfield Co., B. V. Wilcox and S. Renshaw; 

 Ross Co., Lawrence Co., Scioto Co., W. A. Kellerman; Cincinnati, Jos. F 

 James (Cat.) 



Quercus rubra L. Red Oak. 

 Over the whole state. 



Quercus steiaata Wang. Post Oak. Iron Oak. 



Fairfield, Muskingum, Lawrence and Scioto counties, W. A. Kellerman; "Gen- 

 eral," J. S. Newberry (Cat); "Darby Plains," J. L. Riddell (Synop. 1835). 



460. FAGUS L. ( Castanea Tourn.) Chestnut. 



Fagus fumila L. (Castanea jmrnila Mill.) Chinquapin. 



Marietta, J. L. Riddell (Synop. 1835); "Southern Ohio," H. C. Beardslee (Cat); 



Fagus castanea dentaTa Marsh. ( Castanea saliva americana Watson.) Chestnut. 

 Throughout the southern half of the state except on limestone soils. 



461. CASTANEA Scop. (Fagus Tourn.) BEECH. 



Castanea laTifowa (Wang.) (Fagusferrtig-ineah.it.) Beech. 

 Over the whole state. 



CI. Order BETULACEAE. Birch Family. 



462. COR YLUS Tourn. Hazelnut. Fii.bert. 



Coryi^uS amEric - na Nutt. Wild Hazel-nut. 

 Throughout the state. 



Cory^us CORnuTi DuRoi. ( C. rostrata Ait.) Beaked Hazel-nut. 

 Painesville, H. C. Beardslee (Cat.) 



