Comatricha nigra is a new slime mold to me, but is one of the more common species in the UK. It grew on a piece of ash branch that has been brought down in the recent high winds, the branch then lay on a path being drenched by heavy rain on approximate alternate days for a while before I brought it home where I kept it in the dry. Then, unexpectedly, white jelly-looking rounded growths emerged. They became pink, then grew black stalks and became darker pink, then brown and finally black, and were shiny all the time. They are very small only 2 to 3 mms high.
Details of the growth are in my notes.
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