IOWA ACADEMY OP SCIENCES. 
99 
PLANTAGINACE^. 
Plantago major L. Waste ground, common. 
P. rugelii Decaisne. Waste ground, frequent. 
P. lanceolata L. Yards, rare. Miss Gem E. Rounds, coll. 
P. 'patagonica Jacq., var. gnaphalioides Gray. Sandy ground 
in western part of Fayette county and common in parts of 
Bremer county. Hitherto only reported from western Iowa. 
(Proc. Iowa Acad. Science, 3:129, 1895.) 
NYCTAGINACE^. 
Oxybaplius nyctagineus Sweet. Sandy river banks, frequent. 
AMARANTACE^. 
Amarantus albus L. Waste ground, common. 
A. Uitoides Watson. Waste ground, frequent. 
A. retroflexus L. Cultivated fields, etc. , frequent. 
Acnida tuberc>jlata Moq. Low waste ground, frequent. 
CHENOPODIACE^. 
Ghenopodium hoscianum Mcq. Waste ground, frequent. 
G. album L. Waste ground, common. 
G. hybridum L. Cultivated fields and waste ground, frequent. 
G. bonus-henricus L. (?) Waste ground, rare. Specimen 
immature, carefully compared. 
G. botrys L. Sandy river banks, rare. 
Salsola kali L., var. tragus D.-C. Introduced along the 
railroad. One specimen collected in 1895 and another in 1896. 
Likely to become common in a few years. 
POLYGONACE^. 
Rumex patientia L. A single patch known. Pound in 1894 by 
Dr. C. C. Parker and the writer. New to Iowa. Determined 
by Mr. John K. Small. 
P. altissimus Wood. Moist ground, frequent. P. salicifolius 
Weinmann may occur here also. The above determined by Mr. 
John K. Small. 
P. verticillatus L. Swamps, rare. 
P. crispus L. Waste ground, etc., common. 
P. acetosella L. Waste ground, common. 
Polygonum aviculare L Waste ground, abundant. 
P. erectum L. Waste ground, common. 
P. ramosissimum Michx. Moist, sandy ground, frequent. 
