Arcyria major
(G. Lister) Ing
Description:
SPOROCARPS: short-stalked, crowded into large developments, up to 5 cm across, bright coral-pink, fading to dull reddish-brown when old, 2.5-3 mm total height. Hypothallus silvery, confluent.

STALK: red-brown, short, up to 0.3 mm long.

PERIDIUM: persisting as a shallow, funnel-shaped calyculus with a smooth margin , pleated , the inside coarsely papillate.

CAPILLITIUM: elastic, often forming a drooping plume 5-6 mm long which is easily blown out of the calyculus, tubules 2.5-3 µm diam., decorated with spirally arranged half rings.

SPORES: Almost colourless, densely verruculose and with groups of larger warts, 7.5-9.5 µm diam.

PLASMODIUM: White.
HABITAT: On dead wood.

DISTRIBUTION: Cosmopolitan, known from Auckland ,and Auckland Island only.
Macro images:
Arcyria major
Scale bar
Scale= 1 mm.
 
Arcyria major
Scale bar
Scale= 1 mm.
Micro images:
Arcyria major
Scale bar
Magnification = 1000x
Capillitium: Decorated with spirally arranged half rings.
Arcyria major
Scale bar
Magnification = 400x
Capillitium:
Arcyria major
Scale bar
Magnification = 1000x
Spores: Densely verruculose and with groups of larger warts, 7.5-9.5 µm diam.
Arcyria major
Scale bar
Magnification = 1000x
Capillitium: End that is swollen.
 
 
Hidden Forest
Slime Moulds