Stropharia hornemannii, also known as Conifer Roundhead, is a medium-sized to large agaric with a large slimy purple or olive cap whose gills become purple with age. The stalk is long and richly decorated with pieces of the white sheath that extends up to a prominent ring.
domed with an inrolled margin, becoming broadly umbonate; usually violet brown, sometimes with yellow tints, but occasional specimens are creamy white; surface sticky when wet, drying silky smooth. Stem
smooth and white above ring zone; below ring covered in small white scales that become larger and more pronounced with age.
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