188 IOWA ACADEMY OF SCIENCES. 



A. trlfida L. Clarke, Union, Adams, Montgomery, Potta- 

 wattamie, Ringgold, Taylor, Page, and Fremont counties. 

 Waste places; common. 



A. pfiilostacluia DC. Fremont county. Waste places: 

 common. 



Xanthunn canadense Mill. Ringgold, Fremont, and Potta 

 wattamie counties. Waste places; common. 



Heliopsis IcevU Pers. Decatur and Fremont counties. Upland 

 woods; infrequent. 



H. scabra Dunal. Taylor, Page, Fremont, and Montgomery 

 counties. Prairies; common. 



Echinacei anr/iifififolia DC. Clarke, Adams, Montgomery, 

 Pottawattamie, Ringgold, and Fremont counties. Prairies; 

 frequent. 



Emlbeckia triloba L. Ringgold county. Woods; common. 



E. laciniata L. Ringgold county. Low woods; common. 



i?. subtomentosa Pursh. Johnson county. Prairies; fre- 

 quent. 



Lepacliys pinnaia T. & G. Ringgold, Taylor, Page, and 

 Fremont counties. Prairies; common. 



Helianthus annuus L. Union, Pottawattamie, Ringgold, 

 Page, and Fremont counties. Waste places; frequent. 



H. rigidus Best. Ringgold, Taylor, Page, and Fremont 

 counties. Prairies; frequent. 



H. grosse-serrafus Mart. Fremont county. Low places; 

 common. 



H. hirsutus Raf. Ringgold county. Woods; common. 



Actinomerls squarrosa Nutt. Ringgold, Page, and Fremont 

 counties. Low woods; frequent. 



Coreojysis pal) nat a 'Nntt. Clarke, Union, Adams, Montgom- 

 ery, Pottawattamie, and Page counties. Prairies; common. 



C. tripjterin L. Ringgold and Taylor counties. 



Helenium autumnale L. Taylor and Fremont counties. 



Dysodia chrysan them aides Lag. Union, Ringgold, Taylor, 

 Page, and Fremont counties. Waste places; common. 



Anthemis cotnla DC. Clarke, Union, Adams, Montgomery, 

 Pottawattamie, Ringgold, Taylor, and Fremont counties. 

 Waste places; common. 



Achillea inlllefoliuui L. Clarke, Union, Montgomery, Potta- 

 wattamie, Decatur, and Ringgold counties. Fields and upland 

 woods; common; pink, flowered forms are frequently found in 

 Decatur county, in upland woods. 



