1*5 



Daiithoiia spicata, Beauv. Wild Oat-grass. 

 In the Black Hills. 



Spartiiia Cyiiosuroides, (L.) Willd. Tall Marsh-grass. 

 In swamps and streams throughout the state. 



Spartiiia gracilis, Trin. Inland Cord-grass. 



In alkaline soils along Cheyenne river in the Bad 

 Lands and along Lake Traverse. 



Schedoimardus paiiiculatus, (Nutt.) 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 oligostachya, (Nutt.) Torr. Mesquite-grass. 



Very abundant throughout the state; commonly called 

 "False Buffalo Grass." 



Bouteloua Curtipeiidula, (Michx.) Torr. Racemed 

 Bouteloua. 



Common throughout the state. 



Beckmaimia erucseformis, (L.) Host. Beckmannia. 



In wet places throughout the state. 

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



Throughout the state. It is rapidly disappearing in 

 the eastern and southern part of the state. 

 Muiiroa squarrosa, (Nutt,) Torr. Munro's grass. 



On the dry plain from the Missouri valley westward. 



Phragmites Phragmitea, (L.) Karst. Reed-grass. 



In swamps and along the edges of streams from the 

 Missouri river eastward. 



Diplaelme fascieulari.s, (Lam.) Beauv. Salt-meadow 

 Diplachne. 



In alkaline Marshes east of the Missouri river. 



