82 



Fig. 64. Panicum crus-galli L. Barnyard-grass. A coarse, 

 ascending or erect, leafy annual 3 to 15 dm. high, with dense pani- 

 cles and with the third glume awnless to long-awned. Almost 

 everywhere in the United States in barnyards, waste ground, and 

 river banks. Throughout the warmer regions of both hemis- 

 pheres. Flowers all summer. 



