48 



MUSHROOMS. 



cellars, sheds, or disused rooms, yet, where a regular supply 

 is required all the year round, a special structure is desired. 

 The usual type of mushroom-house is a span roof built on 

 the north side of a wall. The average width is aboutlOft., 

 a 3ft. path going down the centre, and a bed ^it. wide on 

 each side. The height of the back should be about 9ft. to 

 10ft., and the front 6ft, to 7ft. Both the side and end walls 

 should be built of 9in. brickwork. No windows or ventila- 

 tors will be required. There should, of course, be a 3ft. 

 doorway at one end. The roof is best composed of thatch 

 or heather, on account of keeping the interior cool in summer 



Section o*' a Mushkoom Hou.se. 



A A Shows tbe spaces for the shelves on which the heds are foi-med, 

 and B The pathway. 



and warm in winter. If slates are used there ought to be 

 a double roof to allow air to circulate between. 



As regards the interior, three beds or shelves should be 

 arranged for at the back and two in front. These shelves 

 should be 3ft. apart, and each should have an edging 9in. to 

 12in. deep to hold the manure. The shelves may be con- 

 structed of wood with slate beds, or entirely of wood. Where 

 expense is of secondary consideration the beds may be formed 

 of brick or concrete; in the Ifitter case an iron framework 



