H5 



Dantlioiia spioata, Beauv. Wild Oat-grass. 

 In the Black Hills. 



Spartiwa Cyiiosiiroides, (L.) Willd. Tall Marsh-grass. 

 In swamps and streams throughout the state. 



Spartiiia j»TaciIis, Trin. Inland Cord-grass. 



In alkaline soils along Cheyenne river in the Bad 

 Lands and along Lake Traverse. 



Sclieiloniiardus paiiiculatus, (Niitt.) Trelease. Sched- 

 onnardus. 



Found occasionally along trails from the Missouri 

 river to the Black Hills, also in the southern part of the 

 state east of the river. 



Bouteloua hirsuta, Lag. Hairy Mesquite-grass. 



In dry soils throughout the state, but much less com- 

 mon than the next. 



Bouteloua olij»-ostaeliya, (Nutt.) Torr. Mesquite-grass. 

 Very abundant throughout the state; commonly called 

 ''False Buffalo Grass." 



Bouteloua Curtipeudula, (Michx.) Torr. Racemed 

 Bouteloua. 



Common throughout the state. 



Beckniauuia eruejeformis, (L.) Host. Beckmannia. 

 In wet places throughout the state. 



Bulbilis (laetyloides, (Nutt.) Raf. Buffalo-grass. 



Throughout the state. It is rapidly disappearing in 

 the eastern and southern part of the state. 



Muuroa squarrosa, (Nutt=) Torr. Munro's grass. 



On the dry plain from the Missouri valley westward. 



Pliragiuites Pliraj*^niites, (L.) Karst. Reed-grass. 



In swamps and along the edges of streams from the 

 Missouri river eastward. 



Diplaeliue fascicularis, (Lam.) Beauv. Salt-meadow 

 Diplachne. 



In alkaline Marshes east of the Missouri river. 



