36 
AVENE. 
Deschampsia ceespitosa Beauv. 
North Dakota: Inkster (Brannon 34). 
In moist soil of low meadows. 
Avena fatua L. 
North Dakota: Grand Forks (Brannon 49), Dickinson (Brannon 115). 
South Dakota: Castlewood (Griffiths 141), Elkton, Deuel County. 
In dry cultivated fields and along railroad grades. 
A vena americana Scribn. 
North Dakota: Langdon (Brannon 38). 
In dry soil on high prairies. Culms in bunches. 
Avena sativa 
North Dakota: Inkster (Brannon 40). 
Adventitious 85 roadsides. Extensively cultivated throughout both the Dakotas. 
Arrhenatherum elatius (L.) Bea 
Sonth Dakota: Brookings, sete eames 142). 
Cultivated, and occasionally as an escape. 
CHLORIDE. 
Schedonnardus paniculatus (Nutt.) Trelease. 
South Dakota: Aberdeen (Griffiths 121), Pierre (Griffiths 31), 3 County (Wil- 
cox), Cheyenne River at the mouth of Battle Creek (Wallace 43). 
Dry sterile soil 
Spartina cynosuroides Willd. 
North Dakota: Dickinson (Brannon 119), Red River Valley, Oakes, Mandan 
South Dakota: Broo =. sees Falls, Aberdeen (Griffiths 96, 116), Huron (Grifüths 
3), Firesteel Creek (W 
More or less abundant in d and along irrigating ditches. 
Spartina gracilis Trin. 
North Dakota: Minnewaukon (Brannon 64), Bad Lands west of the Missouri. 
South Dakota: Aberdeen (Griffiths 125), Clark County (Carter), Cheyenne River at 
the mouth of Indian Creek (Williams and Wilcox, August, 1891 
. In moist, alkaline soils. 
Bouteloua racemosa Lag. 
North Dakota: Minot (Brannon 107), Merrifield, Dickinson, Jamestown, Oakes. 
South Dakota: Pup . 3, 4), Redfield (Griffiths 67), Aberdeen (Griffiths 
83, 134), Frankfort (Griffiths 61), Huron (Griffiths 18), Firesteel Creek (Wil- 
cox), Médicine 1 a (Wallace 10), Indian Creek (Wallace 9). 
Dry prairies and hillsid 
Bouteloua hirsuta T 
South Dakota: Broo 5 Sioux Falls, Iroquois, Aurora County (Wilcox 41). 
Dry soilof rocky knol 
Bouteloua oligostachya Torr. 
North Dakota: Minot (Brannon 104), Bienne (Brannon 133), Devil's Lake, 
Church's Ferry, Bottineau, Jamestown, Grand Forks, Oakes, Bismarck 
South Dakota: Brookings (Wilcox 1, eh 33 (Griffiths 137), Pierre (Griffiths 
26), Huron, Sioux Falls, Salem, White River (Wallace 20, 47), Aurora County 
(Wileox). 
