BOTANY. 187 



Urtica gracilis L. 



Common in alluvial soil. 



Urtica urens L. 



"Interior Ohio," J. S. Newberry (Cat.) 



455. URTICASTRUM Fabric. ( Laportea Gaudichaud.) WOOD-NETTEE. 



Urticastrum divaricaTum (Li.) Kuntze. [Laportea canadensis Gaudichaud.) 

 Frequent. 



456. ADICEA Raf. {Pilea Lindl.) RichweEd. Ceearweed. 



Adicea pumiea (J-,.) Raf. ( Pilea pumila Gray.) Richweed. Clearweed. 

 Common. 



457. BOEHMERIA Jacq. Faese NetteE. 



BOEHMERIA CYEINDRICA ( L-) Willd. 

 Common. 



458. PARIETARIA Touru. PeeliTORY. 



Parietaria pennsyevanica Muhl. 

 Frequent. 



C. Order FAGACE/E. Oak Family. 



459. QUERCUS L. Oak. 



Ouercus aeba L. White Oak. 

 Throughout the state. 



QUERCUS BICOEOR Willd. Swamp White Oak. 

 Throughout the state. 



QuERCUS coccinea Wang. Scarlet Oak. 

 Fr queut. 



QUERCUS COCCTNEa Tinctoria Gray. Quercitron, Yellow-barked or Black Oak. 

 Generally distributed. 



QUERCUS IEICIFOEIA Wsng. 



" Ohio," Gray's Manual ; " General," J. S. Newberry ( Cat.) 



QUERCUS imbricaria Michx. Laurel Oak. 

 Throughout the state. 



QuERCUS EEana Nutt. (Q. imbricaria x coccinea.) Lea's Oak. 



Preston (Hamilton Co.) one tree A. P. Morgan; Cincinnati (one tree) Jos. 

 F. James (Cat.); Brownsville (Licking Co.) one tree — since cut down, W. 

 A. Kellerman ; but doubtless other specimens occur in the state. 



