[agrumpycow]

Originally Posted by Fungus Ken

Yes, Psilocybe semilanceata, and now that you've identified it you need to dispose of it quickly or you will be breaking the law because it contains psilocybin.

Ken

I haven't heard of Psilocybe semilanceata before. Why does it need to be disposed of and what it psilocybin?
Edit- just seen Nick's post which explains!