Craterium minutum

The slime mould Craterium minutum reaches an overall height of 0.7 to 1.5 mm. It is goblet-shaped or funnel-shaped, stalked, erect and with a ‘lid’. The colour may be yellow, orange-brown, pale brown, or brown.It is usually found on dead leaves and decaying vegetation.

Sporangia:- total height to 1.5 mm., goblet-shaped, stalked, erect, gregarious, smooth, yellow to pale brown; lid convex and above the rim of the sporangium, concolorous;

Peridium:- sporangial wall of two layers, the outer cartilaginous, thickened at the rim below the lid, translucent below and continued into the translucent stalk.

Stalk:- cylindrical, 0.3 to 0.5 mm. long,  pale brown rising from a circular hypothallus.

Capillitium:- slender, colorless threads, connecting numerous, large, white lime nodes.

Spores:- finely spinulose - nearly smooth.

Substrate:- dead leaf litter