Buy Wavy Cap copyright. Psilocybe cyanescens is a highly potent hallucinogenic mushroom, sometimes known as wavy caps or the potent Psilocybe. Its copyright effects are mostly brought on by psilocybin and psilocin. It is a member of the Hymenogastraceae family. Based on a specimen she had recently acquired at Kew Gardens, Elsie Wakefield publishe