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| Figure 1. spore cases |
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| Figure 2. Metatrichia vesparium found on a dead log |
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| Figure 3. Capillitium outside of empty spore cases
Name: Metatrichia vesparium
Common name: none
Family: Trichiaceae
Collection date: September 14, 2015
Habitat: dead log
Location: Hiram, OH
Description: "Groups of sporangia on well-decayed wood. Clustered spore cases on fused stalks; sporangial dehiscence in a different stage, dome-shaped lid still intact and unopened, others partially open with circumscissile dehiscence and tangled masses of capillitial threads, still others with lid removed and spore case empty resembling a wasp's nest
Key used: Keller, Harold W. and Brown, Karl L. (1799). Myxomycetes of Ohio: Their systematics, Biology, and use in Teaching. Ohio Biological Survey.
Keying steps:
1. Not as above
2. True capillitium present
3. Fruiting bodies larger
4. Spore mass more or less brightly colored; capillitium not conspicuously sculptured...Order Trichiales
1b) Fruiting body a stalked or sessile sporangium
2b) Sporangia with a well developed stalk
6a) Sporangia red, maroon or red-brown
7a) Sporangia with a distinct, performed operculum often firmly united into clusters of several to many
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Good pictures.
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