114 



Agrostis hyemalis, (Walt.) B. S. P. Rough Hair-grass, 

 Agrostis scabra. Willd. 



A rather uncommon grass from the Missouri river 

 eastward. 



Calainagrostis luacouniana, Vasey. Macoun's Reed- 

 grass. 



From the Missouri river eastward. 



Calaiiiagrostis Canadensis, (Michx.) Beauv. Blue 

 Joint. 



Common in low places, from the Missouri river east- 

 ward. 



Calaniagrostis breviseta, (Gray.) Scrib. Pickering's 

 Reed -grass. 



Calamagrostis sylvatica brevtseta. Gray. 

 In the Black Hills. 



Calamagrostis confinis, (Wild.) Nutt. Bog Reed-grass. 

 In the Minnesota and Sioux valleys. 



Calamagrostis neglecta, (Ehrn.) Gaertn. Narrow Reed- 

 grass. 

 Calamas;rostis stricta. Beauv. 



In the Sioux valley, near Brookings. 



Calamagrostis Montanensis, Scrib. Montana Reed- 

 grass. 



Occasional in the Sioux and James valleys. 



Calamovilfa longifolia, (Hook.) Hack. Long-leaved 

 Reed-grass. 



Calamagrostis longifolia. Hook. 

 In dry soils throughout the state. 



Avena Striata, Michx. Purple Oats. 

 In the Black Hills. 



Avena fatiia, L. Wild Oats. 



Introduced in the Minnesota and Sioux valleys. 



Arrhenatheriim Elatius, (L) Beauv. Oat-grass. 

 Escaped from cultivation near Brookings. 



