250 



GRASSES OF IOWA. 



to 3 lines (4-6 mm.) long, lanceolate, very acute or short awn-pointed, 

 ciliate on the keel above. May to August. Fields and waste grounds. 

 Orchard grass is widely naturalized in the state. It is an excellent 

 forage plant. 



Via. 174. Dactylis glornerat-a—a,, spikelet 

 in flower; b, single floret; c, flower witli three 

 stamens and two plumose stigmas ; d, ligule; 

 e, section of culm at one of the nodes. (Div. 

 Agros. U. S. Dept. Agrl. ) 



Fig. 175. Brizamedia—a, spikelet; b, flower 

 ing glume; c, palet. (Div. Agros. L ! . S. Dept. 



Agrl. ) 



DISTRIBUTION. 



Ioiva. Mitchellville 3185 (Fields); Shelby County, Decatur 

 Count} (Fitzpatrick) ; Denison (McHenry) ; keystone (Koch); Iowa 

 City (Hitchcock); Sioux City (Miss Wakefield); Parkersburg 632 

 (Stout) ; Mt. Pleasant (Mills) ; Van Cleve (Warden) ; West Union, 

 14^^ (Whitmore) ; Ames 132 (Ball, Beardslee, Hitchcock, Pcssev, 

 Thurber, Van Houten, P. II. Rolfs, Carver, C. A. Wilson 1093, 



