Cap: (15-) 25-70 (-85) mm in diameter, conic to convex, becoming campanulate to gradually expanding to plain. Color Copper in center to a light golden brown. Hygrophanous in drying, remnants of a veil. and bluing in the edge of the cap when injured.

Gills:Adnate ot adnexed to seceding. At first dark gray becoming deep violet gray to dark purplish brown. Sometimes mottled with whitish edges.

Stem:(40-) 70-120 (-170) X (4-) 8-13 (-16) mm. Equal, hollow, stem whitish to a creamy white or yellow brown when faded, easily staining blue where damaged. Fibrillose below the annulus.

Spores:(12-) 13.2-15.4 (-17.6) x 7.7-9.9 (-11) x 7-8.8 microns.

Sporeprint: Chocolate to purple-brown.

Habitat:Gregarious, rarely solitary or scattered, common on cow and buffalo dung. Rarely on horse manure. Also in rich soil in pastures and meadows, along roadsides in manure heaps.

Distribution: Very common in subtropical regions, unknown in the tropics. Known in Florida to Texas and North to Georgia, Cuba, Mexico, Guatemala, South America, Viet-Nam, Cambodia, Thailand, Malaysia, India, Fiji, Philippine Islands and Australia. Also either P. cubensis and/or P. subcubensis in British Honduras.

Season:Fruiting in summer, but also in different seasons around the globe.

Dosage:1 or 2 large mushrooms weighing approximately one fresh ounce or 10 to 40 mushrooms weighing same. 1 gram, considered an average dose, three to five grams dried, equivalent to an Indian dosage..

Comment: There are 245 images in this pictorial of Psilocybe cubensis and an equal amount of thumbnails. All images enlarge to 8 inches high. For more data on Psilocybe cubensis, read The Ethnobotany of Psilocybein Mushrooms, Especialy Psilocybe cubensis