Species: Stemonitis fusca Roth Go Back
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Description:
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SPORANGIA: Total height 5 to 20 mm. Sporangia cylindrical, obtuse, stalked, brownish purple or almost black, usually in large clusters, sometimes scattered.

PERIDIUM: membranous, persistent, purplish in the lower part, occasionally mottled with darker shades.

STALK: black, shining, 1 to 4 mm. high, rising from a brown, membranous hypothallus.

COLUMELLA: reaching nearly to the top of the sporangium.

CAPILLITIUM: of dark brown threads springing from all parts of the columella, combined into a loose network, the ultimate branches forming a delicate smooth or spinose surface-net with angular, unequal meshes, varying from 6-16 µm wide.
 
SPORES: grayish violet or brownish violet, 6-8 µm in diameter, faintly or strongly spinulose, the spines arranged in a more or less reticulate pattern.

PLASMODIUM: White
HABITAT: On dead wood.

DISTRIBUTION: Cosmopolitan, known from Auckland, Hawkes bay, Bay of Plenty, Wellington, Nelson, Mid Canterbury, Dunedin and Stewart Island.
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Macro images:
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Stemonitis fuscaScale bar 
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  Scale = 0 mm.
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width=550Scale bar  
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  Scale = 0 mm.
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width=550Scale bar  
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  Scale = 1.2 mm.
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  Scale = 1 mm.
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