The Psilocybe semilanceata is hygrophanous, that means the colour adjustments pursuant to its environment’s humidity concentrations. If the cap is moist it ranges from “…pale brown to dim chestnut brown, but darker in the middle, normally that has a greenish-blue tinge.” or one dried gram to two dried grams for https://psilocybinuk.co.uk/product/black-trumpet-mushroom/feed/