92 GEOLOGY OF OHIO. 



Coreopsis tripteris L. Tall Coreopsis. 

 From Lake Erie to the Ohio River. 



Coreopsis verticielata 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 eaevis ( 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. 



Gaeinsoga parviflora Cav. 



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

 lumbiana Co., H. Herzer. 



34. DYSODIA Cav. Fetid Marigoed. 



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



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

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



35. HELENIUM L. Sneeze-weed. 



Heeenium autumnaee L. 

 Common everywhere. 



