Watch out for signs of mould. If you see any green mold, white fuzzy mold, or dim black places (mildew) about the mushroom, don't try to eat it. Don’t fear if the thing is blue staining—This is certainly popular in Psilocybe mushrooms and an indicator that the mushrooms contain psilocybin.  https://polkadotpsilocybinchocola44108.blogars.com/32761976/details-fiction-and-psilocybin-chocolate-bar-penis-envy