106 GEOLOGY OF OHIO. 



Mentha piperita L. Peppermint. 

 Widel}' distributed. 



Mentha sativa L. Whorled Mint. 

 Licking Co., H. L.Jones (Cat. ) 



Mentha syevestris aeopecuroides (Hall ) Baker. Horse Mint. 

 Franklin Co., E. V. Wilcox. 



Mentha viridis L. 



Northern and central Ohio; Cincinnati, Jos. F. James (Cat.) 



87. COLLINSONIA L. Horse-Baem. 



Coelinsonia canadensis L. Rich-weed. Stone root. 

 Distributed over the state. 



88. LYCOPUS Tourn. WaTER-Horehound. 



Lycopus rubeeltjs Moench. 



New Antioch (Clinton Co.,) J. S. Vandervort; Lorain Co., A. A. Wright (Cat); 

 Painesville and Columbus, Wm. C. Werner. 

 Licking Co., H. L. Jones (Cct. ) 



Lycopus sinuatus Ell. 

 Common. 



Lycopus europaeus L. 



Lorain Co., A. A. Wright (Cat ); Cincinnati, Jos. F.James (Cat.) 



Lycopus vtrginicus L. Bugle-weed. 

 Common. 



89. CUNILA L. Dittaxy. 



Cuniea Mariana L. Common Dittany. 

 Southern half of the state. 



90. PYCNANTHEMUM Mx. Mountain Mint. Basie. 



Pycnaxthemum aristatum Mx. 



"Ohio," J. L. Riddell (Synop. 1835.) 



PycnanThemum feexuosum (Walt.) B. S. P. [P. linifolium Ph.) 

 Frequent. 



PYCNANTHEMUM INCANUM ( L. ) Mx. 



Throughout the state, but not common. 



PYCNANTHEMUM MUTICUM (Mx. ) Pers. 



Licking Co., R. H. Ingraham, H. L- Jones (Cat.). 



