Fungi with Gills 
similar to that employed in making a hot-bed, care being taken 
that the conditions are such that too great heat is not generated. 
Any one desiring to experiment will find it helpful to have the 
‘Farmers’ Bulletin,” No. 53, ‘‘How to Grow Mushrooms,” 
which may be obtained from the United States Department of 
Agriculture, Washington, D. C. 
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