188 
IOWA ACADEMY OP SCIENCES. 
A. trijicla L. Clarke, Union, Adams, Montgomery, Potta- 
wattamie, Ringgold, Taylor, Page, and Fremont counties. 
Waste places; common. 
A. ^silostacliija DC. Fremont county. ^ Waste places; 
common. 
XantMum canadense Mill. Ringgold, Fremont, and Potta^ 
wattamie counties. Waste places; common. 
Heliopsislcevis^ev^. Decatur and Fremont counties. Upland 
woods; infrequent. 
H. scabra Dunal. Taylor, Page, Fremont, and Montgomery 
counties. Prairies; common. 
Echinace'i angustifoUa DC. Clarke, Adams, Montgomery, 
Pottawattamie, Ringgold, and Fremont counties. Prairies; 
frequent. 
Buclbeckia triloba L. Ringgold county. Woods; common. 
R. laciniata L. Ringgold county. Low woods; common. 
R. subtomentosa Pursh. Johnson county. Prairies; fre- 
quent. 
Lepacliys pinnata T. & G. Ringgold, Taylor, Page, and 
Fremont counties. Prairies; common. 
HeliantJms annuus L. Union, Pottawattamie, Ringgold, 
Page, and Fremont counties. Waste places; frequent. 
H. Tigidus Desf. Ringgold, Taylor, Page, and Fremont 
counties. Prairies; frequent. 
H. grosse-serratics Mart. Fremont county. Low places; 
common. 
H, hirsutus Raf. Ringgold county. Woods; common. 
Actinomeris squarrosa Nutt. Ringgold, Page, and Fremont 
counties. Low woods; frequent. 
Coreo2)sis pahnata Clarke, Union, Adams, Montgom- 
ery, Pottawattamie, and Page counties. Prairies; common. 
G. triptoris L. Ringgold and Taylor counties. 
Helenium autumnale L. Taylor and Fremont counties. 
Dysodia chrysanthemoides Lag. Union, Ringgold, Taylor, 
Page, and Fremont counties. Waste places; common. 
Anthemis cotula DC. Clarke, Union, Adams, Montgomery, 
Pottawattamie, Ringgold, Taylor, and Fremont counties. 
Waste places; common. 
Achillea millefolium 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. 
