Possibility of Destroying Weeds. 27 



farms from weeds, the writer must fall 

 back upon his own experience, and use as 

 evidence the work that was accomplished at 

 the Ontario Agricultural Experiment Sta- 

 tion at Guelph from the time it came under 

 his supervision in the autumn of 1888. 



At that time the farm was not in a clean 

 condition. The Canada thistle prevailed to 

 a greater or less extent over the whole of 

 it. In some of the fields the spring grain 

 crops were so infested with this pest that 

 they had to be cut in the green stage to pre- 

 vent the maturing of thistles in countless 

 numbers. In several of the fields, ox-eye 

 daisies spangled meadows and pastures 

 with a glory all their own. The yellow 

 blossoms of the wild mustard lent variety to 

 the foliage of every fields and in some fields 

 their beauty was painfully profuse. Bur- 

 docks revelled among the stones that were 

 strewn along the numerous fence borders. 

 Wheat-thief and false flax were plentifully 

 sprinkled in some localities, while in others 

 the sow thistle had ol^tained a firm and men- 

 acing footing. Quack grass had monopo- 

 lized more than one field. Ragweed was 

 plentifully strewn over one or two fields. 

 Bindweed had taken possession of small 



