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IOWA ACADEMY OF SCIENCES. 
PLANTAGINACEAE. 
Plantago major L. 
NYCTAGINACEAE. 
Oxybaphus hirsutus Sweet. 
O. angustifolius Sweet, (?) 
ILLECKBRACEAE. 
Anychia dichotoma Mx. Woods. Not very common. 
AM ARANT ACE A E . 
Amarantus retroflexus L. 
CHENOPODIACEAE. 
Chenopodium album L. 
POLYGONACEAE. 
Rumex crispus L. Common everywhere. 
R. verticillatus L Tolerably common. 
Polygonum aviculare L. 
P. ramoisssimum Mx. 
P. incarnatum Watson. Sloughs. Only tolerably common. 
P. persicaria L. 
P. orientale L. Escaped from gardens. 
Fagopyrum esculentum Moench. Cultivated species run wild. 
EUPHORBIACEAE. 
Euphorbia corollata L. 
E . maculata L. 
E. preslii Guss. 
Acalypha virginica var gracileus Mueller. Not common. 
URTICACEAE. 
Ulmus americana L 
U . pubescens Walt. <U. fulva Mx.) 
Ulmus racemosa Thomas. Reported from the west side of the 
county, along the course of the Nodaway river, but very doubtful. 
Celtis occidentalis L. 
Cannabis sativa L. Escaped from cultivation, or adventitious. 
Humulus lupulus L. Occasionally fugitive from cultivation in 
brush and low woody thickets. 
Lrtica gracilis Ait. 
Pilea pumila Gray. Common in all woods. 
JUGLANDACEAE. 
Jug Ians nigra L.£ 
Cary a alba Nutt. 
C. amara Nutt. 
QJuglans drier ea occurs in Madison county, but has not been found in Adair county. The 
sycamore tree has also been found to the east of the line separating the two counties, but never 
to the west of it. 
