Inocybe

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  • #29606
    adampembs
    Keymaster

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

      #35588
      eltio
      Participant

        Inocybe hysterix?

        #35589
        adampembs
        Keymaster

          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

          #35590

          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

          #35591

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

          #35592

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

          #35593

          Yes, and it’s got smooth spores!

          #35594
          adampembs
          Keymaster

            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.

            #35595

            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

            Inocybe_stellatospora_mc.jpg

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

            Inocybe stellatospora – Pleurocystidia

            Inocybe_stellatospora_mc-2.jpg

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

            Inocybe stellatospora – Gill edge

            Inocybe_stellatospora_gill.jpg

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

            #35596
            adampembs
            Keymaster

              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.

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