Inocybe

[adampembs]

Before I really get stuck into this one, are there any obvious candidates?

#35588

[eltio]

Inocybe hysterix?

[adampembs]

I’ve just checked the cheilocystidia. They are unusual and rule out I.hystrix – no sign of metuloids (but what look like internal crystals)

Pleurocystidia also present and similar

[Chris Yeates]

adampembs wrote:

Before I really get stuck into this one, are there any obvious candidates?

Key characters include whether there are pleurocystidia as well as cheilocystidia; and the extent of cystidia on the stem – i.e. how far down the stipe do they extend? (this character is easily destroyed by over-handling – try to handle by index finger on cap and thumb at base of stipe). Also is a cortina present in young fruit-bodies?

Chris

[roy betts]

Try I. stellatospora (syn. lanuginosa var. lanuginosa).

[Leif]

Roy bet me to Inocybe lanuginosa, quite common. The cap of I hystrix is much more spikey.

[roy betts]

Yes, and it’s got smooth spores!

[adampembs]

Thanks all. Measured the hymenial cystidia as up to 80µm long (up to 75µm according to Stangl 2011 thus ruling out I.ovatocystis.

Spores 9-10 x 6-8µm.

Looks like a solid record and new for Pembrokeshire.

Scattered “caulocystidia” with crystals at apex of stipe but according to Stangl, these are not true cystidia.

[Waxcap]

Hi Adam,

it’s one of the few Inocybes I’ve looked at but your images look to match what I saw.

Dave

Inocybe stellatospora – Spores

[attachment=2]Inocybe_stellatospora_mc.jpg[/attachment]

Inocybe stellatospora – Pleurocystidia

[attachment=1]Inocybe_stellatospora_mc-2.jpg[/attachment]

Inocybe stellatospora – Gill edge

[attachment=0]Inocybe_stellatospora_gill.jpg[/attachment]

[adampembs]

Nice photos. A project i have in mind is a gallery of microscope images. Bioimages is good but quite limited. A more community driven one (not based on profit) is what I’d like to see. Perhaps like Wikipedia but easier to use.

[Author]

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