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Smooth Ink Cap (Coprinus atramentarius)

Science Contract Week 4
by Gwen Nytes on 6 October 2011

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Transcript of Smooth Ink Cap (Coprinus atramentarius)

Smooth Ink Cap (Coprinus Atramentarius) This common fungus grows on buried wood, and is typically found on the edge of woodlands paths and old treestumps, often found in groups. This type of fungus grows to be 5-6 cm in diameter, and 5 cm high. Clumps of these mushrooms grow after a rainfall, most often in habitats such as vacant lots and lawns, and also in grassy areas.
Kingdom: Fungi
Division: Basidiomycota
Class: Agaricomycetes
Order: Agaricales
Family: Psathyrellaceae
Genus: Coprinopsis
Species: Coprinus atramentaria CLASSIFICATION Importance of the Ink Cap The smooth ink cap is edible, but may become poisonous under certain conditions. This fungus is usually edible, but if consumed with alcohol it will become poisonous. Mycological Characteristics Gills are on the hymenium (spore-bearing layer)
The hymenium is free
The stipe (stalk that supports cap) is bare-there's not an annulus or volva
Edible OR poisonous
It's saprotrophic-it lives and feeds on dead organic matter
Black spore print
The cap is ovate (egg-shaped) but then flattens out and soon disintegrates When you pick this mushroom, a black liquid comes out. This black liquid used to be used as ink. LIFE CYCLE Growth and Reproduction Microscopic spores fall from the gills of the mushroom.
If the conditions in the environment are right, then hyphae
comes out of the spore. These hyphae form a mass of thread-like
filaments. The hyphae do the organism's daily work of getting and
breaking down the fungus's food from humus in the soil and decaying wood. The hyphae, which are underground, are the actual body of the organism. Then, when the conditions are right, the mass of thread-like filaments forms a budlike structure and from this emerges the mushroom. The hyphae does the fungus's work, and the mushroom is just there to reproduce. RESOURCES htthttp://en.wikipedia.org/wiki/Coprinopsis_atramentariap://www.backyardnature.net/f/mushroom.htm
http://www.mushroomexpert.com/coprinopsis_atramentaria.html

The Ink Cap It is given this name because of the black "ink" that it produces.
The gills on this mushroom (gills are close or crowded) begin as a whitish color, turn black, and then eventually liquify, forming the black "ink". RESPONSE Clumps of these mushrooms rise out of the ground after rainfalls from spring to fall. ORGANIZATION The smooth ink cap has black spores located inside its gills. The gills are on the hymenium, which is the mushroom's spore-bearing layer.
The spores of this fungus are 6.5-10.5 by 4-6.5 µ. The shape of the spores are elliptical, smooth, and has a central pore. Shaggy Ink Cap The shaggy ink cap, or coprinus comatus, is a species similar to the smooth ink cap. Both species will dissolve itself in a matter of hours after being picked and releasing spores. However, they have different appearances. The shaggy ink cap has a cone-shaped cap with scales, and has a ring on its stipe. This type of mushroom is edible until the gills start to turn black. Spores
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