Appearance
SPORANGIA: subglobose or obovoid, 0.5 to 1 mm. diam., free, confluent and lobed, or clustered, sometimes sessile, usually on clustered, often long, branching, straw-colored, membranous stalks, cinereous or iridescent violet and veined with white.HYPOTHALLUS: dull red, inconspicuous.
STALK: pallid, yellowish or tawny, weak, branched, often prostrate
PERIDIUM: iridescent, hyaline, with sparsely distributed minute granules of lime.
CAPILLITIUM: a network of fiat bands with broad, thin expansions at the angles, evenly and sparsely charged with white lime-granules. Spore-mass dull blackish brown.
SPORES: Bright brown or violet-brown, adhering in loose clusters of 7 to 10, spinulose, 9-12 µm in diameter.
PLASMODIUM: Chrome-yellow.
Habitat
On dead wood and barkReferences:
Some text fragments are auto parsed from Wikipedia.
http://www.hiddenforest.co.nz/slime/family/physaraceae/physa22.htm