MUSHROOM GROWING 



Stem and cap are usually somewhat relieved 

 by a light purplish or lilac tint, sometimes 

 more nearly ashen. The flesh is thick, firm 

 and white; and the gills, while often violet 

 tinted when young, may become pallid or 

 brown-stained. The other species, T, 

 nudum, does not seem to be readily distin- 

 guished, in many cases, at least, from the 

 one just described; but those who regard T, 

 nudum as distinct figure it as being some- 

 what smaller and as becoming reddish tinted 

 with age. The flesh is also said to partake 

 somewhat lightly of this same color. 



More than ten years ago Costantin grew 

 the mycelium of T. nudum in cultures and 

 attempted the cultivation of this form. His 

 statements justified the hope that this plant 

 might be grown under cultivation. The 

 writer has grown the mycelium of T. per- 

 sonatum in pure culture since 1903. It 

 grows with readiness upon sterilized leaves 

 or leaf-mould as well as upon stable manure. 

 A large pot of sterilized leaves inoculated 

 with pure cultures was completely pene- 



166 



