142 



Alsiiie loiigifolia, (Muhl.) Britton. Long-leaved Stitch- 

 wort. 

 Stellaria longifolia, Muhl. 



In the Minnesota and Sioux valley, and in the Black 

 Hills. 



Alsiiie borealis, (Bigel.) Britton. Northern Stitchwort 

 Stellaria borealis, Bigel. 



In cold bogs in the Minnesota and the extreme eastern 

 part of the Sioux valley, Elkton; rare. 



Agrostemma Githago, L. Corn Cockle. 



In grain fields from the Missouri river eastward. 



Silena acaulis, L. Moss Champion. 

 In the Black Hills, Rapid City. 



Silena stellata, (L,.) Ait. Starry Champion. 



In woods in the southern part of the Sioux valley; 

 Flandreau, Sioux Falls. 



Silena vulgaris, (Moench.) Garcke. Bladder Champion. 



An introduced weed in the Sioux valley near Brook- 

 ings. 



Sileiia aiitirrhina, L,. Sleepy Catchfly. 



Occasional in low prairies in the Minnesota, Sioux 

 and James valleys, and in the Black Hills. 



Cerastium loiigipedunculatuin, Muhl. Powderhorn. 

 Abundant in moist shade in the Black Hills. 



Cerastium brachypodium, (Englm.) Robinson. Short- 

 stalked Chickweed. 



From the Missouri river eastward, and in the Black 

 Hills. 



Cerastium arveiise, L. Field Chickweed. 



Same range as the last, but more abundant. 



Cerastiiim arveiise obloiiglfoliuiu, (Torr.) Holl. & 

 Brett. 



Occasional in the Sioux, the James valley, and in the 

 Black Hills. 



