Arcyria sp. have a stalked sporangium with a well developed slender stalk to about 1mm
Sporangia:- cylindrical gregarious and crowded; colour varies with species.
Peridium :- thin fragile typically separating by a definite line of dehiscence just above the base leaving a cup like calyculus.
Capillitium:- consists of a network of threads marked with cogs and rings and is firmly attached to the inner surface of the calyculus; often this expands to more than twice the height of the original sporangium after dehiscence.
No sightings currently exist.
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