The Fungus Among Us

gyroporus cyanescens

 

Bleeding blue?

Well, not exactly, but this group of fungi called Boletes, show strong color reactions where their tissue is wounded. While this specimen of Gyroporus cyanescens is blueing its flesh and tubes, not all fungi “bleed” the same color. There are examples of red, green, black and yellow in The Kingdom of Fungi by Jens H. Petersen: http://press.princeton.edu/titles/9969.html