52 MUSHROOMS, HOW TO GROW THEM. 



that patch go, for it is not a disease of the individual 

 mushroom, but of the mycelium or mushroom plant that 

 runs in the bed, and when this is injured or killed all 

 the little mushrooms arising from this particular patch 

 of plant are robbed of sustenance and must perish. 



In greenhouses where the benches are occupied with 

 roses, carnations, bouvardias, violets, or lettuces, "plant- 

 ed out," as commercial florists and gardeners generally 

 grow them, there is very little drip, because while the 

 plants on these benches are freely watered, the soil is 

 never soaked enough for the water to drain from it in 

 dripping streamlets, as is continually the case in green- 

 houses where potted plants are grown on the stages. 

 Under these "planted out" benches, if care is exercised, 

 mushrooms can be grown in open beds ; in fact, it is 

 about the best place and condition for them in a 

 greenhouse. 



With stages occupied by plants in pots provision needs 

 to be made to ward off the drip from the mushroom beds, 

 by erecting over, and conveniently high above them, 

 a light wooden framework, on which rest light wooden 

 frames covered with oiled paper, oiled muslin, or plant- 

 protecting cloth. In fact, three light wooden strips run 



Fig. 16. MosHKOOM Bed built fi^at upon the Gbovxd. 



over the bed, as shown in Fig. 13, or three strings of 

 stout cord or wire run in the saine manner will answer 

 for small beds, and act as a support for the oiled muslin 

 or plant-protecting cloth. Building paper is sometimes 

 used for the same purpose. Mr. J. G. Gardner uses 



