152 



WEEDS 



Fig. 93. — Some conniion weeds. Left to right: Jimson, ragweed, lamb's quarter, joint- 

 weed, rough pigweed. 



Flo. 94. — Some eommon grasses. Left to right; crabgrass, two barnyard grasses, tw6 

 of foxtail, panicum, fescue. 



