58 
MUSHROOMS, HOW TO GROW THEM. 
with urine and trampled under the horses’ feet, so much 
the better; indeed, this is one reason why manure from 
farm and teamsters’ stables is better than that from 
Fig. 19. Perspective View of the Dosoris Mushroom Cellar. 
stylish establishments, where everything is kept so scru¬ 
pulously dry and clean. 
The fresher the manure is the better, still manure 
that is not perfectly fresh may also be quite good. 
