100 



WEED FLORA OF IOWA 



:#lf;: & 







7 



Fig. 56. Western Tumbleweed or Winged Pigweed iCycloloma atriplicifolium) 



Sandy soil, Muscatine Island, etc. 



(Photographed by Colburn.) 



Fig. 5 6- A. Distribution of Winged Pigweed. 



