Pan Cyan (Panaeolus Cyanescens)

Panaeolus cyanescens usually appear light grey or off-white when mature. In their youth, the caps exhibit a light brown hue, which then fades to off-white, light grey, or occasionally acquires yellow or brownish tones. These caps typically range from 0.5 to two centimeters in diameter, starting as hemispheric and gradually transforming into bell-shaped or convex. When young, the cap margin curves inward. They are somewhat hygrophanous, losing color as they dry, often developing cracks during dry weather. This characteristic has earned them the endearing nickname "blue meanies."  

However, note that this term is sometimes used for other mushroom varieties as well.  This species is notably potent, with the effects of Blue Meanies mushrooms often onset rapidly due to higher psilocin levels compared to psilocybin. Panaeolus cyanescens is frequently reported to be two to three times more potent than cubensis.