EXERCISES 



335 



Short-awned or awn-pointed 



Small, dark brown seeds, very rough near tip. . .Crested Dog's-Tail 



% inch long, smooth, light colored Wheat-Grass 



14 inch or less in length Orchard-Grass 



Author's "Examining and Grading Grains." published by Ginn & Co. 



FIG. 143. Crested dog's tail: 

 A, magnified seeds; B, natural size. 



Fia. 144 Orchard grass: A, magni- 

 fied seeds; B, natural size. 



B 



Author's "Examining and Grading Grains," published by Ginn & Co. 



Fio. 145. Wheat grass: A, magni- 

 fied seeds; B, natural size. 



Awnless 



% inch long or thereabouts, nerves very prominent . . . Brome-Grass 



About 14 inch long f Note difference in shape 1 . Perennial Eye-Grass 



light brown . . . . \ and size of rachilla. ... / ..... Meadow Fescue 



FIG. 146. Brome-grass: A, magni- 

 fied seeds; B, natural size. 



