xi 8 



Paiiicularia Americana, (Torr.) McM. Reed Meadow- 

 grass. 



Glyceria grandis, S. Wats. 

 Occasional in the Sioux valley and in the Black Hills. 



Paiiicularia fluitaiis, (L.) Kuntz. Floating Meadow- 

 grass. 

 Glyceria fluitans. R. B. 



In shallow water in the Sioux valley. 



Festuca octoflora, Walt. Slender Fescue. 



In dry sandy soil from the James valley to the Black 

 Hills. 



Festuca oviua, L. Sheep's Fescue. 



Grows in bunches on dry prairies in the Black Hills. 



Festuca Nutaiis, Willd. Nodding Fescue. 



On shady bluffs in the Sioux and Little Minnesota 

 valleys. 



Bromus ciliatus, L. Fringed Brome. 



In thickets in the Sioux, James and Little'Minnesota 

 valleys, and in the Black Hills. 



Bromus Kalmii, Gray. Kalm's Chess. 

 In the Black Hills. 



Bromus pimpelliauus. Scribner. 

 In the Black Hills. 



repeiis, (L.) Beauv. Cough-grass, ' 'Quack" - 

 grass. 



A most troublesome weed in cultivated fields east of 

 the Missouri river. 



Agropyroii violaceum, (Horn.) Vasey. Purplish wheat- 

 grass. 



Found occasionally on high ground, from the Missouri 

 valley eastward. Specimens collected by Dr. Rydberg 

 in the Black Hills were doubtfully referred to Agropyron 

 vio/aceum ma/us. 



