Stemonitis dictyospora of Rostafinski's monograph, with spores 12 mic.
It is Craterium cylindricum of Massee's monograph, according to Lister.
Sherlock Holmes would certainly have considered it worthy of a monograph.
It is really a monograph on magnetism written in the thirteenth century.
Perhaps some one of my young readers may become the author of that monograph?