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TRANSCRIBER NOTES:

    Words in italics are indicated with an underscore (_) at the begining
    and end. Words in bold are indicated with an equal sign (=) at the
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  U. S. DEPARTMENT OF AGRICULTURE.

  BUREAU OF PLANT INDUSTRY--BULLETIN NO. 129.

  B. T. GALLOWAY, _Chief of Bureau_.


  BARIUM, A CAUSE OF THE
  LOCO-WEED DISEASE.


  BY

  ALBERT C. CRAWFORD,

  PHARMACOLOGIST, POISONOUS-PLANT INVESTIGATIONS.


  ISSUED AUGUST 22, 1908.

  [Illustration]


  WASHINGTON:
  GOVERNMENT PRINTING OFFICE.
  1908.




BUREAU OF PLANT INDUSTRY.


  _Physiologist and Pathologist, and Chief of Bureau_,
      Beverly T. Galloway.
  _Physiologist and Pathologist