Penis Envy spores are the microscopic reproductive cells of Psilocybe cubensis — the species to which this cultivated strain belongs. Under transmitted brightfield light, they appear as dark purplish-brown, ellipsoid to subellipsoid structures measuring approximately 11–17 µm in length and 7–12 µm in width. Their thick, smooth spore wall gives them a robust appearance, and deep pigmentation makes them identifiable at 400×. A defining feature — the apica … read more