224 GREENHOUSE MANAGEMENT. 



generally do well if covered with a thick mulch to retain 

 the moisture. Besides requiring more heat than our 

 common mushroom, it also needs much more moisture, 

 and many of the failures that have been met with grow- 

 ing it can generally be traced to the lack of one or the 

 other. As a rule, however, it has been found rather 

 irregular in bearing, but when one learns its proper care, 

 it is certainly promising as a winter mushroom, and very 

 valuable for summer growing. 



During the summer a hotbed has been found to 

 answer well for growing this mushroom (Fig. 81). 



FIG. 81. THE NEW MUSHROOM (Agaricus subrufescens) IN A COLD 



FRAME. 



After the bed is spawned some other crop may be put in 

 and can be taken off before the mushroom will appear. 



A CHEAP MUSHROOM HOUSE. 



Many persons desire to grow mushrooms who per- 

 haps have no greenhouse, or who have no place in it 

 suitable for them. Aside from the needed heating appa- 



