746 WEED FLORA OF IOWA 



1901 (Pamrael) ; Slater, 1902 (Faweett, Tener and Reinbott) ; Mar- 

 shalltown, 1902 (Pammel) ; Aurelia, 1912 (Summers) ; Sidney, 1912 

 (Graham). 



Winged Pigweed (Cycloloma platyphyttum Moquin.). 



Not indigenous in Iowa. Des Moines, 1887 (A. S. Hitchcock) ; 

 Hamburg (A. S. Hitchcock); Muscatine, 1890; Ontario, 1892 

 (Burgess) ; Des Moines, 1894 (Carver) ; Cedar Rapids, 1895 

 (Palmer). 



City Goosefoot {Chenopodium urbicum L.). 



Nevada, 1880 (A. S. Hitchcock) ; Iowa City, 1887 (A. S. Hitch- 

 cock) ; Keokuk, 1887 (A. S. Hitchcock) ; Muscatine, 1890 (F. 

 Reppert) ; Ames, 1891 (A. S. Hitchcock) ; Keokuk, 1891 (P. H. 

 Rolfs). 



Oak-leaved Goosefoot {Chenopodium glaucum L.). 

 Iowa City, 1889 (Hitchcock); Muscatine (F. Reppert). 



Jerusalem Oak {Chenopodium botrys L.). 

 Ames, 1883; Iowa City, 1887 (A. S. Hitchcock). 



Mexican Tea {Chenopodium ambrosioides L.). 

 Keokuk (J. C. Arthur) ; Muscatine, 1890 (F. Reppert). 



Coast Blite {Chenopodium rubrum). 

 Keokuk, 1891 (P. H. Rolfs). 



Orach {Atriplex patula L. var. hastatum Gray). 



Iowa City, 1887 (A. S. Hitchcock) ; Keokuk, 1891 (P. H. Rolfs) ; 

 Ames, 1896, where it has now become well established; Boone, Ft. 

 Dodge, 1912 (L. H. Pammel) ; Storm Lake, 1912 (L. H. Pammel). 

 Var. littorale, Iowa City, 1887, (A. S. Hitchcock). 



Silvery Orach {Atriplex argenteum Nutt.). 

 Ames, 1895 (G. W. Carver). 



Mexican Fireweed (Kochia scoparia (L.) Schracl.). 



Mexican fireweed is recorded as an adventive from Europe in the 

 sixth edition of Gray's Manual of Botany, 1889, by Watson and 



