IOWA ACADEMY OF SCIENCES. 155 



HYDROPHYLLACE^E. 



Hydrophyllum virginicum L. Decatur, Shelby, and Johnson 

 Cos. Low woods, common. 



H. appendicidatum Mx. Des Moines Co. Wooded ravines, 

 frequent. 



Ellisio, nyctelea L. Decatur, Shelby, and Johnson Cos. Low 

 grounds, common. 



BORRAGINACE.E. 



Cynoglossum officinale L. Des Moines Co. Waste places, 

 infrequent. 



Echinospermum virginicum Lehm. Decatur and Johnson Cos. 



E lappula Lehm. Wapello and Johnson Cos. Roadsides 

 and rocky woods, frequent. 



Mertensia virginicum DC. Page, Van Buren, Des Moines, 

 and Johnson Cos. Damp woods, frequent. 



Myositis verna Nutt. Johnson Co. 



Lithospermum latifolium Mx. Shelby Co Woods, infrequent. 



L. hirtum Lehm. Johnson Co. Sandy soil, frequent. 



L. canescens Lehm. Page, Decatur, Shelby, and Johnson 

 Cos. Prairies, common. 



L. angustifolium Mx. Shelby Co. Prairies, common. 



Onosmodium carolinianum DC. Shelby Co. Upland pastures, 

 common. Johnson Go. Sandy soil along the Cedar river, fre- 

 quent. 



COXVOLVULACE^. 



Ipomcea pandurata Meyer. Decatur, Van Buren, Henry, and 

 Des Moines Cos. 



I. purpurea Lam. Decatur Co. Cultivated fields and waste 

 places, infrequent. 



/. hederaca Jacq. Johnson Co. Waste places, infrequent. 



Convolvulus sepium L. Decatur, Des Moines, Shelby, and 

 Johnson Cos. Borders and upland woods, frequent. 



j)ithamceus L. Johnson Co. One specimen collected. 



G. arvensis L. Henry and Johnson Cos. Waste places, 

 infrequent. 



Guscuta glomerata Choisy. Decatur and Johnson Cos. Low 

 grounds, frequent. 



G. tenuiflora Englm. Decatur and Johnson Cos. Along 

 streams, frequent. 



