Octospora rutilans

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Octospora rutilans

29 November 2008 Hampshire. Photograph copyright Leif Goodwin.

Synonymns

Neottiella rutilans

Fruiting Body

Initially cup shaped with a distinct stem, then flattened, upper surface smooth, orange, underside pale orange, stem whitish, to about 1.5 cm across

Smell

Indistinct

Taste

Indistinct

Season

Autumn to winter

Distribution

Infrequent

Habitat

On sandy soil with Polytrichium moss

Microscopic Features

Spores ellipsoidal, with 1 or 2 oil drops, decorated with a network pattern (22-28) x (13-15) µm2. Asci cylindrical. Paraphyses cylindrical, tips swollen, appearing granular or roughened

Notes

The reticulation of the spores is visible when stained with lactophenol cotton blue, but not with congo red

Octospora rutilans

Spores stained with lactophenol cotton blue and viewed with a x100 immersion objective. 29 November 2008 Hampshire. Photograph copyright Leif Goodwin.

Octospora rutilans

Spores stained with Congo Red and viewed with a x100 immersion objective. 29 November 2008 Hampshire. Photograph copyright Leif Goodwin.

Octospora rutilans

Asci and paraphyses stained with Congo Red and viewed with a x40 objective. 29 November 2008 Hampshire. Photograph copyright Leif Goodwin.