158 IOWA ACADEMY OF SCIENCES. 



PLANTAGINACEAE. 



Plantago major L. 



NICTAGINACEAE. 



Oxybaphus hirsutus Sweet. 

 O. angustifoliiis Sweet. (?) 



ILLECKBKACEAE. 



Anychiadichotoma'iATL. Woods. Not very common. 



AMAKANTACEAE. 



Amarantus retroflexus L. 



CHENOPODIACEAE. 



Chenopodiwn album L. 



POLYGONACEAE. 



Rumex crispus L. Common everywhere. 



R. verticillatus L Tolerably common. 



Polygonum az'iculare L, 



F. ramoisssimiim Mx. 



P. ificarnal/nn Wsilson. Sloughs. Only tolerably common. 



P. persicaria L. 



P. orientate L. Escaped from gardens. 



Fagopyrnm esculenttim Moench. Cultivated species run wild. 



EUPHORBIACEAE. 



Euphorbia corollata L. 

 E. tnaculata L. 

 E. preslii (russ. 



Acalypha virginica v&r 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. 



Celt is occidentalis L. 



Cannabis sativa L. Escaped from cultivation, or adventitious. 



Humiilus lupulus L. Occasionally fugitive from cultivation in 

 brush and low woody thickets. 



hrtica gracilis Ait. 



Pilea pumila Gray. Common in all woods. 



JUGLANDACEAE. 



Juglans nigra L. 

 Carya alba l^ult. 

 C. amara Nutt. 



%Juglan8 cinerea 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. 



