18 



The Bulletin 



Sandbur. 



Cenchrus tribul aides L. 



Called also Sandspur and Bur 

 Grass. An inconspicuous annual 

 grass with short, pale-green 

 sheathing leaves. Spreads over 

 the ground in mats, individual 

 stems sometimes two feet long. 

 Easily recognized by the fruit, 

 which consists of a small, hard 

 bur with sharp, diverging spines. 

 A single branch may bear twenty 

 burs. Painful and dangerous in 

 the harvest field or wherever 

 found. Fruit ripe June to Sep- 

 tember. Occurs in the eastern 

 part of the State, along the sea- 

 shore and in sandy ground. 



CONTROL 



Clean cultivation which pre- 

 vents the ripening of seed will 

 prevent its spread. Burs stick to 

 passing animals and are thus 

 spread from field to field. There- 

 fore, fields that contain it in large 

 amounts should not be pastured 

 with sheep or, perhaps, cattle that 

 have not shed their winter coat 

 of hair. 



No. 15. S.\ND11UU on 



Cencheus tkihuloides L. 



