BOTANY. 95 



Cacaua atriplicifolia L. 

 Throughout the state. 



Cacalia reniformi's Muhl. 



"Miami Country," J. L. Riddell (Synop. 1835.) ; picking Co., H. L. Jones (Cat.) ; 

 Cincinnati, Jos. F. James ( Cat. ) 



Cacaua. suaveolens L. 



Painesville, H. C. Beardslee (Cat.) ; Lorain Co., A. A. Wright (Cat.) ; Cuyahoga 

 River, W. Krebs ; Springfield, Mrs. E. Jane Spence; Cincinnati, Joseph Clark 

 (Cat.) 



Cacaua tuberosa Nutt. 



"Central and Western Ohio," J. S. Newberry (Cat.); Cedar Swamp (Champaign 

 Co.,) Wm. C. Werner. 



47. ARCTIUM L. Burdock:. 



Arctium lappa L. 

 All over the state. 



Arctium lappa minus Schk. 



Lorain Co., A. A. Wright (Cat.) ■ 



48. CARDUUS L. ( Cnicus. ) Common or Plumed Thistle. 



Carduus altissimus L. {Cnicus altissimus Willd. ) 

 Common over the state. 



Carduus discolor (Muhl.) Nutt. ( Cnicus altissimus discolor Gray.) 



t rom Lake Erie to the Ohio River throughout the western half of the state, 

 but infrequent. 



Carduus aryensis (L. ) Curtis. (Cnicus arvensis Hoffm.) 



Frequent throughout the northern and central counties ; Cincinnati, Jos. F. 

 James (Cat.) 



Carduus lanceolatus L. ( Cnicus lanceolatus Hoffm. ) 

 General. y distributed. 



Carduus muticus ( Mx. ) Nutt. (Cniczis muticus Pursh ) 

 Apparently over the whole state. 



Carduus odoratus (Muhl.) (Cnicus pumilus Torr. ) 



"General," H. C. Beardslee (Cat); Ashtabula Co., E. E. Bogue. 



Carduus virginianus L. (Cnicus virginicmus Pursh.) 



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



49. ONOPORDON L. Cotton or Scotch Thistle. 



Onopordon acanthium L. 



Sparingly natural zed, J. S. Newberry (Cat.) ; Cincinnati, Jos. F. James (Cat.) 



