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Poa triviali.s, L. Rough Meadow-grass. 



Sparingly introduced in the vicinity of Brookings. 



Poji flava, L. False Red- top. 



In swampy places in the extreme eastern part of the 

 state; the Sioux and Little Minnesota valleys. 



Poa iienioralis, L. Wood Meadow-grass. 



On moist banks in the Sioux and James river valleys 

 and in the Black Hills. 



Poa clebilis, Torr. Weak Spear-grass. 



In wooded ravines in the Minnesota valley. 



Poa alsodes, Gray. Grove Meadow-grass. 



In damp woods in the Little Minnesota valley and in 

 the Black Hills. 



Poa arida, Vasey. Prairie Spear-grass. 

 In the Sioux and James valleys. 



Poa alpiiia, L. Alpina Spear-grass. 



Near Hot Springs, in the Black Hills. 



Poa Buekleyaiia, Nash. Buckley's Spear-grass. 

 In dry soils near Hot Springs. 



Poa l?evis, Vasey. Smooth Poa. 



Extends from the Missouri valley to the Black Hills. 



Poalfeiidleriaiia, (Steud.) Vasey. Fendler's Poa. 

 In the Black Hills. 



Poa iievedeiisis, Vasey. Nevada Poa. 

 In the Black Hills. 



Poa annua, L. Annual Meadow-grass. 

 Elk Canon, in the Black Hills. 



Paniciilaria uervata, (Willd.) Knutze. Nerved Manna- 

 grass. 



Glycerin nervata. Trin. 



In the Sioux and Little Minnesota valleys, and in the 

 Black Hills. 



