PLANTS OF FARGO, ETC. 139 
Carex laxiflora Lam. 
Woods. Frequent. May 25 (27). si 
Carex tetanica Schk. 
Prairie. Stevens in 1920. 
Carex polygama Schk. BROWN SEDGE. 
Woods on Minnesota side. 
Carex gracillima Schwein. 
Woods on Minnesota side. 
Carex obtusata Ll}. 
Low prairie. Stevens in 1920. Quite abundant at least in this 
particular place (3 mi. NW.) 
‘Carex pennsylvanica Lam. ; 
Woods. Frequent. May 5 (6); woodland, form, excluding 
Apr. 4, 1910. Bergman includes in this a form common on the 
prairie (C. heliophile Mackenzie). 
Carex lanuginosa Michx. 
Low prairie or ditches. Common. May 20 (21). 
Carex trichocarpa Muhl. 
Sloughs and other low ground. Common. ‘The var. aristata 
(R.Br.) Bailey perhaps also common. 
Carex assiniboiensis W. Boott. 
Woods on Minnesota side. Frequent. 
Poaceae. Grass Family. 
° 
Andropogon furcatus Muhl. BIG BLUE STEM. 
Prairie. Common. July 30 (Aug. 1). 
Sorghastrum nutans (1,.) Nash. INDIAN GRASS. 
Prairie. Bolley in 18go. 
Syntherisma sanguinalis (1,.) Dulac. — CRAB GRASS. 
_ Lawn. Stevens in 1920. 
Syntherisma humifusum (Pers.) Rydb. SMALL CRAB GRASS. 
Lawns or waste ground. Occasional. 
Panicum capillare \. WITCH GRASS. 
Fields and roadsides. Common. July 5. 
Panicum muiliaceum 1. PROSO MILLET. 
Occasionally escaped from cultivation. 
Panicum virgatum L,. SWITCH GRASS. 
Low prairie. Common. July ro. 
Panicum perlongum Nash. 
Low prairie. Stevens in 1920; very abundant in this particular * 
place (3 miles’'N. W.) June 20. 
