160 
IOWA ACADEMY OF SCIENCES. 
COMPOSITE. 
Achillea millefolium L. Common Yarrow or Milfoil. 
Growing in the pasture just south of the premises on the 
farm of B. B. Lindly, adjoining town of Winfield, July 21, 
1890. Common. 
Ambrosia artemisicefolia L. Ragweed. Hogweed. 
Roman Wormwood. Growing on waste places everywhere 
whose soil has at sometime been under cultivation. 
September 10,. 1890. 
Aster azurius Lindl. A blue aster. Growing in the 
woods along Crooked creek just east of Winfield, Septem- 
ber 29, 1890. 
Aster simplex Willd. Found growing in the woods along 
Crooked creek just east of Winfield, September 29, 1890. 
Bidens cernua L. Smaller Bur-Marigold. Common 
along the ditches and in moist places. September 14, 1890. 
Bidens frondosa L. Beggar-ticks. Stick-tight. Grow- 
ing in moist places where soil has been broken or under 
cultivation. Specimen taken from lot in rear of B. B. 
Lindly’s drug store in Winfield, September 10, 1890. 
Cnicus altissimus Willd. As described in Gray’s Botany. 
In Wood’s it is mentioned as Cirsium altisshnum Spr. A 
very tall thistle. Specimen found on vacant lot immedi- 
ately north of B. B. Lindly’s store building in Winfield, 
September 11, 1890. 
Cirsium discolor Spr. According to Wood. Gray gives 
it as a variety of Cnicus altissimus, Willd. Common. 
Specimen found growing along the Iowa Central railway 
just east of its depot in Winfield. September 14, 1890. 
Dysodia chrysanthemoides Lagasca. False Dog-fennel. 
Fetid Marigold. Common, usually along the waysides. 
September 22, 1890. 
Erigeron strigosum L. A Fleabane or Whiteweed. Com- 
mon. Specimen growing in pasture on north hill on B. B. 
Lindly’s farm. June 17, 1892. 
Eupatorium altisshnum L. A member of the Boneset 
family. Specimen found growing along the road north 
from Winfield. September 10, 1890. 
