156 IOWA ACADEMY OF SCIENCES. 



0. ivflexa Englm. Decatur Co. Open woods, infrequent. 



SOLANACE^E. 



Sokmum nigrum L. Decatur, Appanoose, Van Buren, 

 Shelby, and Johnson Cos. Low grounds, frequent. 



8. carolinense L. Decatur, Des Moines, Henry, and Johnson 

 Cos. Waste places, frequent locally. 



S. rostratum Dunal. Decatur, Henry, and Johnson Cos. 

 Waste places, infrequent. 



8. tuberosum L. Decatur Co. Occasionally an escape, but 

 not persistent. 



Physalis pubescens L. Decatur Co. Fields and woods, fre- 

 quent. 



P. virginiana Mill. Decatur, Van Buren, and Johnson Cos. 



P. lanceolata Mx. Decatur and Shelby Cos. Fields and 

 waysides, frequent. 



Lycium vulgar e Dunal. Appanoose Co. A few places known 

 where this species has been observed for a generation. Decatur 

 Co. Along the streets, rare. 



Datura stramonium L. Decatur, Appanoose, Wapello, and 

 Johnson Cos. Waste places, common. 



D. tatula L. Decatur, Appanoose, Wapello, Van Buren, Des 

 Moines, and Johnson Cos. Waste places, common. 



SCROPHULARIACE^E. 



Verbascum thapsus L. Decatur, Appanoose, Wapello, Van 

 Buren, Des Moines, and Johnson Cos. Old pastures and waste 

 places, common. 



V. blattaria L. Van Buren and Johnson Cos. Waste places, 

 frequent. 



Linaria vulgaris Mill. Decatur, Appanoose, Wapello, Van 

 Buren, Des Moines, and Johnson Cos. Waste places, frequent. 



Sirophularia ncdosa marylandica Gray. Decatur, Van Buren, 

 Des Moines, and Johnson Cos. Woods, frequent. 



Collinsia verna Nutt. Jefferson Co. Frequent, locally. 



Chelone glabra L. Johnson Co. Wet places, infrequent. 



C. obliqua L. Jefferson Co. Infrequent. 



Pentstemon pubescens Sol. Appanoose Co. Open woods, fre- 

 quent. 



P. Icevigatus digitalis Gray. Appanoose and Johnson Cos. 

 Open woods, frequent. 



