ed 
ELATUM 
33 
Homalocenchrus virginicus (Willd.) Britton. 
South Dakota: Brookings (Wilcox 70), Sioux Falls, Aurora County. 
Low, wet places in woods and on banks of streams. 
PHALARIDEJE. 
Phalaris arundinacea L. 
North Dakota: Church's Ferry (Brannon 59), Grand Forks, Merrifield, Devil's Lake, 
kes 
Oa 
South Dakota: Brookings (Wilcox 71), Aberdeen (Griffiths ue Mellette (Griffiths 
147), Aurora County (Wilcox 38), Antelope Creek (Wallace 
On low, wet ground or in shallow water; occasionally found in 3 ation. 
Savastana odorata (L.) Seribn. 
North Dakota: Willow City ¿e 80), Grand Forks (Brannon 4), Devil's Lake, 
Langdon, Minot, Cburch's 
South Dakota: Brookings qd: 17) , Iroquois, Oakwood Lakes. 
Moist meadows and fields. 
AGROSTIDE E. 
Aristida basiramea Engl. 
On the . River, Iowa (Wilcox 30). 
Dry soil 
Aristida fascicularis Torr. 
gee Dakota: Canning (Griffiths 43), Redfield (Griffiths a Aurora County (Wil- 
ox 35), Rosebud (Wallace 34), White River (Wallace 
Aristida gracilis Elliott. 
Wanpsipinicon River, Iowa (Wilcox 31). 
b e. 
Stipa comata Trin. and Rupr. 
North Dakota: Devil's Lake (Brannon 54), Merrifield (Brannon 23), Dickinson (Bran- 
n 122), Grand Forks, Bottineau, Willow City, Church's Ferry, Oakes, James- 
town, Mandan. 
South Dakota: Brookings (Wilcox 47), Aberdeen (Griffiths 86), Aurora County, 
Huron, Blunt, Indian Creek. 
Dry, sterile soils, most abundant in the regions west of the James River. 
Stipa spartea Trin. 
North Dakota: Church's Ferry (Brannon 72), Grand Forks (Brannon 12), Devil's 
Lake, Bottineau, Minot, Dickinson, Fargo. 
South Dakota: Brookings, Sioux Falls, Millbank, Aurora County. 
Dry upland prairies, most abundant east of the James River. | 
Stipa viridula Trin. 
North Dakota: Minot (Brannon 113), Dickinson, Oakes, Jamestown, Bismarck, 
Mandan. : 
South nie Aberdeen (Griffiths 130), Huron, Blunt (Griffiths 107), Brookings 
(Wileox 11), Aurora County ( Wilcox 40), Rosebud (Wallace 35). 
In dry soil of high prairies. 
Sporobolus airoides Torr. 
South Dakota: White River odor oe Indian Creek. 
Dry, sterile soil of the Bad Lands region 
Sporobolus longifolius e Wood. 
North Dakota: Oakes. 
8604 —No. 6—3 
