Dead Man’s Fingers Fruiting
When it first appears above ground in the spring, the club/finger-shaped fruit of Dead Man’s Fingers (Xylaria polymorpha) appears powdery white from the asexual spores that cover its surface. As it matures, it acquires a crusty, black surface. This is the sexual stage. The interior of the fruiting body of this fungus is white; just inside the outer surface is a blackened, dotted layer containing structures called perithecia which hold sacs of sexual spores. Dead Man’s Fingers, unlike most fungi (which release their spores in a few hours or days) releases its spores over months or even years. It can have many separate “fingers” and sometimes the fingers are fused, causing it to look somewhat like a hand. Look for this fungus growing on hardwood stumps and logs, particularly American beech and maples.
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