STATE GEOLOGIST. 167 



G. fluitans, R. Br. MauDa-Grrass. 

 Common, or frequent, throughout the state. 



POA, L. Meadow- Grass. Spear-Grass. 



P. annua, L, Low Spear-Grass. 



Throughout the state, excepthig perhaps far southward, but infreciuent. Minne- 

 apolis, Kassube; Blue Earth county, Leiberg. 



P. compressa, L. Wire-Grass. 



Throughout the state, but infrequent. Parry, Lapham. Karasey county, Oest- 

 lund; Blue Earth county, Leiberg; Pembina, ChicUerirtg, Havard. 



P . alpina , L. Spear-Grass. 



Isle Koyale, and north shore of lake Superior, Loring, Porter, Maeoun; doubtless 

 also in Minnesota. North. 



P. csesia, Smith. Spear-Grass, 



Throughout the state. North shore of lake Superior, Juni; Blue Earth county, Lei- 

 herg; Emmet county, Iowa, Cratty. 



P. caesia, Smitii, var. strictior, Gray. Spear-Grass. 

 Isle Koyale, Whitney; Red river, Bawson„ Maeoun. North. 



P. serotina, Ehrh. False Red-top. Fowl Meadow-Grass. 

 Common throughout the state. 



P. pratensis, L. Green or Common Meadow-Grass. Kentucky Blue- 

 Grass. June Grass. 

 Common throughout the state; taking the place of the original prairie grasses in 

 southwestern Minnesota, Juni. [In Nebraska not native, but spreading westward, 

 Aughey.'] 



P. sylveslris. Gray. Spear-Grass. 



Lapham. Pembina, ffaiJard. Kare. South and west. 

 [P. debilis, Torr., probably occurs in this state.] 



P. alsodes, Gray. Spear-Grass. 



Saint Paul, Kelley; Red river valley, at Pembina, Chickering. Infrequent. South 

 and west. 



ERAG-ROSTIS, Beauv. Eragrostis. 



E. reptans, Nees. Eragrostis. 



Through the south part of the state. Lapham. Goodhue county, Oesilwjid; Blue 

 Earth couuty, Leiberg. 



E. poseoides, Beauv., var. megastachya. Gray. Eragrostis. 



Abundant, in door-yards and by road-sides, through the south half of the state ; 

 common north at least to Crow Wing, Todd and Grant counties, and in the Red river 

 valley, JJpham. It was found by Oeyer in 1839 on sandy plains in the valley of the 

 Sheyenne river, Dakota, and is quite probably indigenous in this region. 



E.pilosa, Beauv. Eragrostis. 



Blue Earth county, Leiberg; Minneapolis (distinct from E. Purshii), Upham. In- 

 frequent. South. 



E. Frankii, Meyer. Frank's Eragrostis. 

 Hastings, Dakota county, Oestlund. Southeast 



E . Purshii, Schrader. Pursh's Eragrostis. 



Becoming abundant by road-sides and in waste places, Ramsey county, Minneapolis, 



