CHICKERING ON PLANTS OF DAKOTA AND MONTANA. 829 



649. Poa SG-rotina, Ehrb. 



1873. July, August. Pembina. Turtle Mountain. 

 *650. Festuca horealis, Mert. 

 *651. Festuca ovina, L. 



652. Bromus ciliatus, L. 



1873. August. Mouse Eiver. 



1874. August. West of Frenchman's Creek. 



653. Phragmites communis^ Trin. 



1873. August. Prairie, on borders of little pools. 

 *654. LeiJturus panic iilatus, Xutt. 



655. Triticum catiinum, L. 



1873. August. Near Turtle Mountain, in thickets. 



656. Triticum rcpens, L. 



1874. July, Frenchman's Creek. 

 *657. Triticum strigosum, Steud. 



658. Hordeum jubatiim, L. 



1873. July. Pembina, on prairie. 



1874. July. Missouri Eiver. 



659. Hordeum pratense, Huds. 



1874. August. West of Frenchman's Creek. 



660. Ehjmus Canadensis, L. 



1873. August. Turtle Mountain, thickets. 

 *661. JEIymus Canadensis, var. glaucifolius. 



662. Elymus Sibiricus, L. 



1874. August. Eocky Mountains. 



663. Elymus Virginicus, L. 



1873. August. Kear Turtle Mountain. 

 *664. Dantlionia spicata, B.eauv. 



*G65. Avena striata, Mx. 



666. Aira ccespitosa, L, 



1874. August. Base of Eocky Mountains. 



667. Phalaris arundinacea, L. 



1873. July, August. Pembina. Turtle Mountain, thickets. 



1874. July. Frenchman's Creek. 

 *G68. Hierochloa borealis, E. & G. 



669. Beclcmannia erucceformis, Host. 



1874. July, August. Missouri Eiver. Frenchman's Creek. 

 *670. Panicum paucifloriim, Ell. 

 671. Panicum virgatum, L. 



1873. August. Mouse Eiver. 

 *672. Andropogon furcatus, Muhl. 



673. Andropogon scoparius, Mx. 



1873. September. Mouse Eiver, dry prairie. 



EQUISETACEiE. 



674. Equisetum arvense, L. 



1873. July. Pembina. 



