BOTANY. 95 



Cacalia aTriplicifolia L. 

 Throughout the state. 



Cacalia renieormis Muhl. 



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

 Cincinnati, Jos. F. James ( Cat. ) 



Cacalia 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.) 



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

 but infrequent. 



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



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

 James (Cat.) 



Carduus lanceolatus L. ( Cnicus lanceolatus Hoffm.) 

 Generally distributed. 



Carduus muticus (Mx. ) Nutt. [Cnicus 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 virginianus Pursh.) 



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



49. ONOPORDON L. Cotton or Scotch Thistle. 



Onopordon acanthium L 



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



