Bachelor's Button

Description: English: Illustration of Bulgaria inquinans from Outlines of British fungology Deutsch: Illustration des Gemeinen Schmutzbecherlings (Bulgaria inquinans) aus Outlines of British fungology. Date: 1860. Source: https://books.google.com/books/download/Outlines_of_British_fungology.pdf?id=9yw-AAAAcAAJ&hl=de&output=pdf&sig=ACfU3U29dfx8XlD-_K_Fl5Utc1-yDbJT5Q. Author: Miles Joseph Berkeley. : This is a retouched picture, which means that it has been digitally altered from its original version. Modifications: cropped, background cleaned, sharpened.