Leocarpus fragilis
(Dickson) Rostafinski
Description:
SPORANGIA: clustered, obovoid, rarely globose, 2 to 4 mm. long, sta lked or occasionally sessile, smooth, yellowish brown, chestnut or purplish brown, shining, sometimes dehiscing in revolute lobes; outer layer of the sporangial wall cartilaginous, brittle, orange-brown, usually with dense deposits of lime-granules on the inner side; inner layer a firm, hyaline membrane, giving attachment to the capillitium.

STALK: short, or as long as the sporangium, weak, yellowish, translucent, rising from a membranous hypothallus.

CAPILLITIUM: a network of rigid, hyaline threads with flattened expansions at the axils, connected with angular, branching, and anastomosing, yellowish or brownish lime nodes.
SPORES: more or less spinulose, very variable in size but usually 10-14 µm diam., sometimes slightly clustered, dark purplish brown or paler, with a pale area of dehiscence.

PLASMODIUM: lemon, then orange-yellow
HABITAT: on dead leaves, twigs, etc. and ground wood.

DISTRIBUTION:
Cosmopolitan, known from Auckland, Waikato, Buller, Central Otago, Taupo, Nelson and Fiordland.
Macro images:
Leocarpus fragilis
Scale bar
Scale= 1.5 mm.
 
Leocarpus fragilis
Scale bar
Scale= 1.5 mm.
 
Leocarpus fragilis
Scale bar
Scale= 1.5 mm.
 
Leocarpus fragilis
Scale bar
Scale= 0.6 mm.
Developing fruiting bodys
Leocarpus fragilis
Plasmodium: Bright yellow.
 
 
Hidden Forest
Slime Moulds