326 OHIO BIOLOGICAL SI^RVEY 



Fagales. 

 Fagaceae, Beech Family. 



Fagus graudifolia Ehrh. American Beech. 



Castauea dentata (Marsh.) Borkh. Chestnut. 



Quercus alba L. White Oak. 



Quercus stellata Wang. (Q. minor). Post Oak. Not common. 



Quercus maerocarpa Mx. Bur Oak. 



Quercus bicolor Wilkl. (Q. platanoides) Swamp White Oak. 



Quercus prinus L. Rock Chestnut Oak. 



Quercus imbricaria Mx. Shingle Oak. 



Quercus velutina Lam. Black Oak. 



Quercus coccinea Wang. Scarlet Oak. 



Quercus rubra L. Red Oak. 



Quercus palustris DuRoi. Pin Oak. 



Betulaceae, Birch Family. 

 Carpinus caroliniana Walt. Blue Beech. 

 Ostrya virginiana (Mill.) Willd. Hop Hornbeam. Must occur at least on the 



western borders of the area but is not common and was not found after some 



little search by the writer. 

 Corylus americana Walt. Hazlenut. Comnwn, no specimen. 

 Betula nigra L. Red Birch. Common on Queer Creek and some other streams in 



the southern portion of the area. Absent from the northern portion. Not 



known to the northward in Ohio. 

 Betula lenta L. Sweet Birch. Common throughout the area. 

 Betula lutea Mx. f. Yellow Birch. Common in the deep canyons of the southern 



half of the area, but altogether lacking in the northern section. Otherwise 



unknown south of Wayne and Summit Counties. 

 Alnus rugosa (DuRoi) Koch. Smooth Alder. 



Juglandaceae, Walnut Family. 

 Hicoria cordiformis (Wang.) Britt. (Carya, H. minima) Bitternut. 

 Hicoria ovata (Mill.) Britt. (Carya) Shagbark (Hicory). 

 Hicoria laciniosa (Mx. f.) Sarg. (Carya) Not uncommon, no specimens. 

 Hicoria alba (L.) Britt. (Carya) Mockernut. 

 Hicoria microcarpa (Nutt.) Britt. (Carya) Small pignut. 

 Juglans nigra L. Black Walnut. Common along the Hocking Bottom; altogether 



lacking through most of the area. 

 Juglans cinerea L. Butternut. Common except on the richest land. 



Salicales. 

 Salicaceae, Willow Family. 

 Populus alba L. Silver Poplar. 



Populus balsamifera candicans (Ait.) Gr. Balm-of-Gilead. 

 Populus grandidentata Mx. Large-tooth Poplar. 

 Populus tremuloides Mx. American Aspen. 

 Populus deltoides Marsh. Cottonwood. 



