Coprinus atramentarius (Bull. ex Fr.) Fr. Common Inkcap, Tippler's Bane, Grauer Faltentintling, Coprin noir d'encre, Ráncos tintagomba. Cap 3-7cm high, ovoid at first, then broadly conical when expanded, with the margin irregularly puckered at first, then becoming split; gray to gray-brown; dry, smooth or silky with minute scales or veil remnants, especially near the center. Gills free, crowded, broad; white then lavender-gray then inky black and soon deliquescing. Stem 70-170 x 9-20mm, hollow; whitish; dry, silky-fibrous; fibrous white partial veil leaving ring zone near base. Odor faint and pleasant or none. Spores ellipsoid, smooth, with pore at tip, 7-11 x 4-6µ. Deposit black. Habitat usually in clusters on the ground near rotting or buried wood or in grass. Found widely distributed throughout North America and Europe. Season May-September (November-April in California). Edible but dangerous because it causes alarming symptoms (nausea, palpitations) when taken in conjunction with alcohol; indeed, it has been given to alcoholics to cause these symptoms and eventually cure their habit. Comment Good black drawing ink used to be made from the deliquesced caps by boiling the black "ink" with a little water and cloves.