IOWA ACADEMY OF SCIENCES. I79 



PORTULACACE^. 



Portulaca oleracea L. Pottawattamie county. Waste places; 

 common. 



Hypericace.-e. 



Hypericum a.sojron L. This species was frequent in Otoe and 

 Cass counties, Nebraska, opposite Fremont county, Iowa. It 

 was not noticed eastward of the Missouri river. 



H. lyroliflcum L. Johnsoa county. Frequent, locally. 



H. mutilum L. Johnson county. 



H. cistifolium Lam. Fremont county. Several specimens 

 were obtained. 



H. maculatum Walt. Ringgold and Taylor counties. Open 

 places; frequent. 



Malvace^. 



Althcea rosea Cav. Decatur county. Occasionally an escape. 



Malva crispa L. Decatur county. Several specimens obtained 

 in waste places. 



J/. rofuncUfolia L. Union, Taylor, and Fremont counties. 

 Waste places; common. 



Skla Kpinosa L. Page and Fremont counties. Waste places; 

 frequent. 



Abutlhm aviceiime Gaertn. Union, Adams, Pottawattamie, 

 Ringgold, Page, Taylor, and Fremont counties. 



Hibiscus miUtaris Cav. Fremont county. Wabonsie slough 

 and elsewhere; frequent; also in Cass county, Nebraska, 

 opposite Fremont county. 



H. trionum L. Ringgold and Fremont counties. Fields; 

 frequent. 



TlLIACE^. 



Ti/ia americana L, Union, Montgomery, Ringgold, and 

 Fremont counties. Low woods; frequent. 



Linages. 



Linum sulcatum Riddell. Ringgold and Taylor counties. 

 Prairies; frequent. 



GeraniacetE. 



Oxalis violacea L. Union county. Common. 



0. stricta L. Clarke, Union, Taylor, Fremont and Pottawat- 

 tamie counties. Fields and woods; common. 



Impatiens pallida Nutt. Taylor and Fremont counties. Wet 

 woods; frequent. 



