1(J MUSHKOOMS, HOW TO GROW THEM. 



ing it fihould be made as warm as possible with double 

 windows, and double doors, where the entrance is from 

 the outside, but if from another building single doors 

 will suffice. A chimney-like shaft or shafts rising from 

 the ceiling should be used as ventilators in winter, when 

 we can not ventilate from doors or windows ; indeed, 

 side ventilation at any time when the beds are in bearing 

 condition is rather precarious. There should be some 

 indoor way of getting into the cellar, as by a stairway 

 from the building above it. Also an easy way of getting 

 in fresh materials for the beds, and removing the ex- 

 hausted material. This is, perhaps, best obtained by 

 having a door that opens to the outside, or a moderately 

 large one from the building above. 



FIG. 1. MUSHROOM CELLAR UNDER A BARN. 



The interior ariangement of the cellar is a matter of 

 choice with the grower, but the simplest way is to have 

 beds three or four feet wide around the inside of the 

 walls, and beds six feet wide, with pathways two, or two 

 and one-half feet wide between them running parallel 

 along the middle of the cellar. Above these floor-beds, 

 shelf-beds in tiers of one, two, or three, according to the 



