92 GEOLOGY OP OHIO. 



Coreopsis tripTERis L. Tall Coreopsis. 

 From Lake Erie to the Ohio River. 



Coreopsis verticiiaata L. 



"Torrey and Gray," (Beardslee Cat.) 



32. BIDENS L. Bur-Marigold. 



Bidens aristosa (Mx.) Britt. (Coreopsis aristosa Mx.) 



Cleveland, W. Krebs ; Richland Co., E. Wilkinson ; Licking Co., H. L. Jones 

 (Cat.) ; Springfield, Mrs. E. Jane Spence; Franklin and Champaign Counties, 

 Wm. C. Werner. 



Bidens beckii Torr. 



Geauga Co., Dr. Canfield (Beardslee Cat.) 



Bidens bipinnata L. 

 Common. 



Bidens cernua L. 



Lorain Co., A. A. Wright (Cat.); Cleveland, W. Krebs; Licking Co., H. L.Jones 

 (Cat.)'; Franklin Co., Aug. D. Selby: 



Bidens connata Muhl. Swamp Beggar Ticks. 

 Generally distributed. 



Bidens discoidea (Torr. and Gray) Britt. (Coreopsis discoidea Torr. and Gray. ) 

 Lorain Co., A. A. Wright (Cat.) ; Licking Co., H. L. Jones (Cat.) 



Bidens frondosa L. 

 Common. 



Bidens i,aevis ( L. ) B. S. P. ( B. chrysanthemoides Mx. ) 

 Common. 



Bidens trichosperma ( Mx. ) Britt. (Coreopsis trichosperma Mx.) Tickseed 

 Sunflower. Northern Ohio ; Fairfield Co., E. V. Wilcox and S. Renshaw. 



33. GALINSOGA Ruiz and Pavon. 



Gawnsoga parvtflora Cav. 



Cleveland, W. Krebs; Painesville, Otto Hacker; Columbus, Aug. D. Selby; Co- 

 lumbiana Co., H. Herzer. 



34. DYSODIA Cav. Fetid Marigold. 



Dysodia papposa (Vent.) Hitch. (D. chrysanthemoides Lag.) 



Frankliu Co., W. J. Green and E. V. Wilcox; Cincinnati, Jos. F. Jam^s (Cat.) ; 

 Ross Co., W. E. Safford (Torr. Bull.) 



35. HELENIUM L. Sneeze-weed. 



Hei/Enium autumnale L. 

 Common everywhere. 



