CHAPTER I. 



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MUSHROOM CULTURE IN THE MUSHROOM-HOUSE. 



CULTURE in the mushroom-house being the most practised, 

 and, on the whole, the most important phase of the sub- 

 ject, we will first treat of it. And first of the mushroom- 



Fig. 1. Mushroom-house at back of hothouses. 



house itself. Its construction is very simple : the con- 

 ditions to be obtained are equable temperature, secured 

 by thick or hollow walls and by a double roof. Figure 1 



