MUSHROOM GROWING 



tent they may be hand-picked ; but they are 

 more effectively destroyed by paris green, 

 which they will eat if smeared over slices of 

 raw potato distributed about the beds. 

 Spraying their favorite haunts with lysol is 

 also fairly effective. 



An important fungous disease. The most 

 important fungous disease of mushrooms is 

 one known as "la Mole," or the Mycogone 

 Disease. This disease has been known in 

 France for several generations at least, and 

 the same or similar diseases are widely dis- 

 tributed wherever mushroom culture is 

 practised. It has been extensively studied 

 in France by Costantin and Dufour, and in 

 the United States by Veihmeyer. A bibli- 

 ography of the more important work is 

 contained in a paper by the author last 

 named. Costantin and Dufour have de- 

 scribed minutely the forms of injury pro- 

 duced by this parasitic fungus, and they dis- 

 cussed two characteristic types of the dis- 

 ease. In the one case the mushrooms are 

 somewhat deformed, but maintain the gtn- 



136 



