278 



Annals of Horticulture. 



long handle, while with the other hand one pumps the fumes 

 down the burrow. B represents a perforated disk fitting into 

 a smaller pipe, and held in place near the lower or conical 

 end, A. It is on this plate that one places pieces of old 

 woolen rags, which are set on fire. Upon this burning mass 

 is poured powdered sulphur. — F. L. Washburn, Rural New- 

 Yorker, 486. 



Fig. 76. 



