The Blob

On my way out the other day I noticed  a bright yellow blob on the bark of a fallen tree by the gate. Must get a photo of that, I thought — but I forgot for few days.

When I returned with the camera, the bright yellow had turned orange, with older purple edges and only small oozings, awfully like custard — or worse — showed yellow.

Now I had not seen this before, but from previous investigations into another of the family, I knew it must be a slime mould, Myxomycota. They’re not fungi but tend to be lumped with them.

I had been fascinated that they move about like amoebae, reproducing into perhaps thousands of ‘daughter cells’; then, at some sort of chemical signal, they all get together and make a larger organism.

Some species make such large organisms that a horror movie, The Blob, was inspired by them. 

This is one of the most common, worldwide, I had read. It’s in my fungi book as Fuligo septica, with the common name of ‘Flowers of Tan’, but the much less poetic and more apt names I found to be most common elsewhere were ‘Dog vomit mould’ or ‘Scrambled egg mould’!

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