Bulletin 1243, U S. Dept. of Agriculture 





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WHITE LOCO WEED (OXYTROPIS LAMBERTIl) 



This is the most destructive of all the loco weeds, not because of its t_'r<:tt< r toxicity l>ui beeeaus< 

 f>f its \vid<- distribution, extending from northern Canada to central Texas, and from the Conti- 

 nental Divide to the western part of Minnesota. It poisons horses, cattle, and sheep 



