26 MISC. PUB. 882, U.S. DEPT. OF AGRICULTURE 
observed to browse on it. Control is recommended because the plant 
is capable of causing mechanical and physiological injury to humans 
and livestock, and because it competes with other more desirable spe- 
cies. Manual methods of eradication may be employed where only a 
few plants are involved. Chemical control is effective and should be 
used where needed. 
Leguminosae, or Legume, Family 
Crotalaria incana L. (fig. 13) 
BN—13281 
FIGURE 13.—Crotalaria incana L. 
Description.—This annual or biennial, herbaceous, erect weed has 
stout, ascending branches and attains 4 feet in height. The entire 
plant is covered with short, fine hairs. The alternate leaves, which 
are borne on stems longer than the leaves, are once divided into three, 
equal-sized leaflets which arise from a central point. The leaflets are 
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