ii6 



ErajL^TOstis pilosa, (L.) Beauv. Tufted Eragrostis. 



Sparingly introdueed into the eastern and southern 

 part of the state. 



Eraj»T<)stis purshii, Schrad. Pursh's Eragrostis. 

 In the eastern part of the state. 



Eraj;T(>stis Major, Host. Strong-scented Eragrostis. 



Common east of the Missouri, rare in the Black Hills. 



EragTOstis hypnoides, (Lam.) B. S. P. Creeping Era- 

 grostis. 



Common on sandy shores east of the Missouri river. 



Eatoiiia obtusata, (Michx.) Gray. Blunt-scaled Eatonia. 

 East of the Missouri and in the Black Hills. 



Eatoiiia Peiiusylvaiiiea, (Dc.) Gray. Pennsylvanian 

 Eatonia. 



East of the Missouri and in the Black Hills. 



Koelcria oristata, (L) Per?. Koeleria. 



Common from the Missouri river westward to the 

 Black Hills. 



Catabrosia aquatica, (L.) Beauv. Waterwhirl-grass. 

 In swamps in the Black Hills. 



Disticlilis spicata, (L.) Greene. Marsh Spike-grass. 



Common in low alkaline soils throughout the state. 



Daetylis gloiiierata, L. Orchard-grass. 



Sparingly introduced in pastures in the extreme east- 

 ern part of the state and in the Black Hills. 



Poa coiiipre.ssa, L. Wire-grass. 



In dry places east of the Missouri river. 



Poa prateiisis, L. Kentucky Blue-grass. 



Introduced into meadows and lawns east of the river; 

 probably native in the Black Hills. 



Poa pscudoprateiisis, Scrib. & Ryd. Prairie Meadow- 

 grass. 



Found near Hot Springs, in the Black Hills. 



