I celebrated May Day with a photo on Facebook of bluebells in the Turville valley.
This prompted my friend Graham Bathe to write to me about the use of bluebells in archaeological work. He says that the key thing to look out for is when there is a uniform carpet of one species (bluebell) giving way to a uniform carpet of another species (garlic or dog’s mercury).
Graham asks: ‘Can you please look out for any such changes on your walks, and bring them to my attention? An example is in the photo, where a uniform bluebell carpet gives way to garlic at an iron-age hill-fort. There may be nothing visible on the ground apart from the change in flora—that is its value!’
Please leave a note on this blog of any examples and I shall pass them to Graham.