"Common Mushroom (Agaricus campestris). A, annulus; C, cortina; H, hymenium; M, mycelium; P, pileus; S, stipe; V, volva." -Whitney, 1911

Meadow Mushroom

"Common Mushroom (Agaricus campestris). A, annulus; C, cortina; H, hymenium; M, mycelium; P, pileus;…