Carbon Ball Mushrooms - Daldinia concentrica Photograph by Carol Senske

Carbon Ball Mushrooms - Daldinia concentrica

by Carol Senske

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Title

Carbon Ball Mushrooms - Daldinia concentrica

Artist

Carol Senske

Medium

Photograph - Photograph

Description

I'm going to quote Wikipedia and give you the URL

http://en.wikipedia.org/wiki/Daldinia_concentrica

"The inedible fungus Daldinia concentrica is known by several common names, including King Alfred's Cake, cramp balls, and coal fungus. It can be found in North America and Europe, where it lives on dead and decaying wood, especially on felled ash trees. It is a common, widespread saprotroph.

The fungus is ball-shaped, with a hard, friable, shiny black fruiting body 2 to 7 centimeters wide. It resembles a chunk of coal, which gives it several of its common names, including coal fungus and carbon balls. According to legend, King Alfred once hid out in a countryside homestead during war, and was put in charge of removing baking from the oven when it was done. He fell asleep and the cakes burned. Daldinia concentrica is said to resemble a cake left to this fate.

The flesh of the fungus is purple, brown, or silvery-black inside, and is arranged in concentric layers. Each layer represents a season of reproduction. The asci are cylindrical and arranged inside the flask-shaped perithecium. When each ascus becomes engorged with fluid it extends outside the perithecium and releases spores.

D. concentrica contains several unique compounds, including a purple pigment from a perylene quinone and a metabolite called concentricol, which is oxidized squalene. Many types of insects and other small animals make their home inside this species of fungus.

The fungus is a useful form of tinder for fire-lighting. The brown variety is usually too heavy and dense to be much good; the black variety is lighter and better. It does need to be completely dry, whereupon it will easily take a spark from a firesteel. It burns slowly, much like a charcoal briquette, with a particularly pungent smoke. Once lit it is quite difficult to extinguish, but fragments can be broken off and transferred to a tinder ball to create an open flame."

My words here -

This picture was taken in late August of 2013, Green Lane, Pennsylvania, USA., in a hardwood forest.

These fungi remind me of those carbon squares we used to light, as children, and watch them grown into long, black snakes. Ahhh, it was a different time and place all those years ago:>)