Arcyria incarnata
Pers.
Description:
SPOROCARPS: Sporangia stalked or nearly sessile, crowded, subcylindrical or ellipsoid, 1 to 1.5 mm, high, 0.6 mm. broad, pink; cup of sporangium membranous, even or plicate, spinulose.

STALK: weak, 0.1 to 0.3 mm. long, flesh-colored, filled with spore-like cells.

CAPILLITIUM: a very loose, elastic, expanding network of pale pink threads 3-5 µm diam., sparingly and somewhat irregularly branched, with here and there broad, perforated or ring-like expansions, often swollen at the axils of the branches; thickenings in the form of sharp cogs, half-rings, or spines arranged in a loose spiral, and of minute scattered spinules; free ends more or less numerous, clavate or pointed, spinose.

SPORES: Pale pink, marked with a few scattered warts, 6-8 µm diam.

PLASMODIUM: White.
HABITAT: On dead wood.

DISTRIBUTION: Cosmopolitan, known from Auckland, Taupo, Wellington, Nelson, Fiordland, Southland and Stewart Island.
Macro images:
Arcyria major
Scale bar
Scale= 0.35 mm.
 
Arcyria incarnata
Scale bar
Scale= 0.25 mm.
Micro images:
Arcyria incarnata
Scale bar
Magnification = 400x
 
Arcyria incarnata
Scale bar
Magnification = 1000x
 
Hidden Forest
Slime Moulds