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Fluted bird's nest

Cyathus striatus

Description:

The "nest", or peridium, is usually about 7 to 10 mm in height and 6 to 8 mm in width,[7] but the size is somewhat variable and specimens have been found with heights and widths of up to 1.5 cm (0.59 in).[6] The shape typically resembles a vase or inverted cone. The outer surface (exoperidium) ranges in color from slightly brownish to grayish buff to deep brown; the exoperidium has a shaggy or hairy texture (a tomentum), with the hairs mostly pointing downward. The inner surface of the peridium (the endoperidium) is striated or grooved, and shiny. Young specimens have a lid, technically called an epiphragm, a thin membrane that covers the cup opening. The epiphragm is hairy like the rest of the exoperidial surface, but the hairs often wear off leaving behind a thin white layer stretched across the lid of the cup. As the peridium matures and expands, this membrane breaks and falls off, exposing the peridioles within.[12] The peridium is attached to its growing surface by a mass of closely packed hyphae called an emplacement; in C. striatus the maximum diameter of the emplacement is typically 8–12 mm, and often incorporating small fragments of the growing surface into its structure.-Wikipedia

Habitat:

Spotted on a rotting log in a wetland habitat.

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2 Comments

Brian38
Brian38 6 years ago

Thanks Christine.

Christine Y.
Christine Y. 6 years ago

Wow! Great spotting Brian!

Brian38
Spotted by
Brian38

Federal Way, Washington, USA

Spotted on Jul 19, 2017
Submitted on Jul 19, 2017

Spotted for Mission

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