IOWA ACADEMY OF SCIENCES. 
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Medicago sativa L. Ames occasionally, now frequent in 
Council Bluffs, Muscatine, 1891 (P. Reppert). Sioux City, 1896 
(L. H. Pammel). 
M. lupuUna L. Ames, 1871 (C. E. Bessey). Has not been 
found since Hitchcock (Cat. Anthenphyta and Pteridophyta of 
Ames, p. 491) says occasionally found in waste places. 
Hosackia pursMana Benth. Indigenous loess of Iowa along 
the Missouri river. Sioux City. Naturalized. Boone, 1895 
(G. W. Carver.) 
Ghjcyrrhiza lepieota Nutt. Ontario, 1886 (Hitchcock). Ames 
(A. S. Hitchcock) 1889. Greenfield, 1891 (P. C. Stewart). 
Spreading at near Greenfield, undoubtedly introduced indige- 
nous to western and northwestern Iowa. It is spreading at 
Hull, 1895 (W. Newell). Little Rock, 1893 (C. R. Ball). 
Logan, 1895. Council Bluffs, 1895. Spreading at Le Mars, 
1896 (W. J. Newell). Lenox, 1896 (J. L. H.). Grand Junction, 
1872 (C. E Bessey). Harrison county, 1875, Rev. Burgess. 
Cassia tora L. Ames, along C. & N.-W. R. R., 1894 (C. R. 
Ball, Robert Combs). Not found since. 
COMPOSITE. 
Orindelia squarrosa Dunal. Indigenous to western Iowa and 
is rapidly spreading in contigious territory, and has been 
reported from Keokuk, 1891 (P. H. Rolfs). Boone and Moin- 
gona, abundant in borders of woods along C. & N.-W. R. R., 
1890. Battle Creek, 1895 (E. G. Preston). Osgood, 1895, C. 
A. Wells. Carbonado, 1895 (John H. Smith). Smithland, 1895 
(J. M. Wrapp). 
Iva xanthiifolia Nutt. I have given its distribution as far 
as Iowa is concerned quite fully in another connection. It is^ 
however, spreading. Reported from Keokuk 1891. Lawler, 
1891 (P. H. Rolfs). Missouri Valley, 1894. Ontario, 1890. 
Sioux City, 1872. Ames, 1895 (G. W. Carver). Boone, 1870. 
Charles City, 1876 (J. C. Arthur). Woodbine, 1894. Vale, 1894. 
Boone, 1890 and 1894. Turin, 1894. Onawa, 1894. Carroll, 
1894. Humboldt (P. L. Harvey). It will not be many years 
until this weed is as common in western part of Iowa as Ambro- 
sia trifida; originally a plant of northern and western Iowa,, 
from whence it has spread east and south. 
Eclipta alba Hassk. Keokuk, 1877 (George E. Ehinger).. 
1891 (P. H. Rolfs). 
Lepachys columnaris Torr. & Gray. Boone, 1889. In 1896 it 
was found by George W. Carver. 
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