638. 
639. 
640. 
*O41,. 
*642, 
O43. 
644. 
#645. 
646. 
*647, 
*648, 
BULLETIN UNITED STATES GEOLOGICAL SURVEY. 
. Carex supina, Wahl. 
. Carex stricta, Lam. 
. Carex stenophylla, Wahl. 
. Carex utriculata, Boott. 
GRAMINEA. 
. Zizania aquatica, L. 
. Alopecurus alpinus, Smith. 
. Phleum alpinum, L. 
. Agrostis scabra, Willd. 
. Calamagrostis Canadensis, Beauv. 
1873. July, August. Pembina. Near Turtle Mountain. 
. Calamagrostis stricta, Trin. Var. ) 
1873. August. Turtle Mountain. 
1874, July. Frenchman’s Creek. 
. Eriocoma cuspidata, Nutt. 
. Stipa comata, Trin. 
1873. August. Turtle Mountain. 
. Stipa spartea, Trin. 
1874. July. Frenchman’s Creek. 
. Stipa viridula, Trin. 
1873. August. Second prairie. 
1874. July. Frenchman’s Creek. 
. Spartina cynosuroides, Willd. 
1873. .August. Mouse River. 
. Spartina gracilis, Roth. 
1873. July. Turtle Mountain. 
1874. July. Frenchman’s Creek. 
Bouteloua oligostachya, Torr. 
1873. August. Turtle Mountain westward, forming compact 
sod, on dry prairie. 
Keleria cristata, Pers. 
1873. August. Second prairie. 
1874. July. Frenchman’s Creek. 
Glyceria atroides, Thurber. 
1874. July. Missouri River. 
Glyceria nervata, Trin. 
Catabrosa aquatica, Beauv. 
Poa alpina, L. 
Poa alsodes, Gray. 
1873. July. Pembina. 
Poa cesia, Smith, var. strictior. 
Poa compressa, L. 
1873. July. Pembina. 
Poa flexuosa, Muhl. 
Poa pratensis, L. 
