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Metatrichia vesparium        Wasp Nest SM

The sporangia are reddish purple to black, glossy, several mm tall and fruit in tight clusters with the stalks fused together to form a columnar support.   Sporangia have well-defined caps which break away at maturity and the purplish capillitium flounces out. This species is very common and fruits on rotten logs or leaf mould. If you have a microscope and check out the capillitium  you will find that it has spiny ornamentation and  this species is placed in the order Trichiales.