118 
IOWA ACADEMY OP SCIENCES. 
C. glaucum L. Iowa City, 1839 (Hitchcock). Muscatine (P. 
Reppert). 
C. Botrys L. Ames, 1883; Iowa City, 1887 (A. S. Hitchcock). 
G. ambrosioides L. Keokuk (J. C. Arthur). Muscatine, 1876 
(Burgess.) Muscatine 1890 (F. Reppert). 
C. Rubrurn. Keokuk, P. H. Rolfs, 1891. 
Atriplex patulum L., var. hastatum Gray. Keokuk, 1891 
(P. H. Rolfs). Ames, 1896 6. It has become well established. 
Iowa City, 1887 (A. S. Hitchcock). Var. littorale. Iowa City, 
1887 (A. S. Hitchcock). 
A. argenteum Nutt. Ames, 1895 G. W. Carver). 
PHYTOLACCACE^. 
Phytolacca decandra L. Grinnell, 1889 (A. S. Hitchcock). Mus- 
catine, 1891 (F. Reppert). 
POLYGONACE^. 
Rumex Patieutia L. Boone (G. W. Carver). Established. 
Escaped from cultivation. 
Polygonum orientale L. Muscatine, 1890 (P. Reppert). Onawa, 
1894. 
EUPHORBIACE^. 
Euphorbia marginata Push. Indigenous to western Iowa. 
Little Rock, Sioux City, Onawa, Council Bluffs and Hawarden. 
Naturalized east. At Denison abundant, 1894. Woodbine, 1894. 
Vale, abundant, 1894. Missouri Valley, Carroll, 1895, abun- 
dant (W. Newell). Hamburg, 1883 (A. S. Hitchcock). Iowa 
City, 1887 (A. S. Hitchcock). 
