Examples from the Web for didymium
This induced Schrader to throw all the didermas into his new genus, Didymium.
Spumaria is essentially related to Didymium by the crystals of lime upon the walls of the sporangia.
It is readily distinguished from Didymium minus by the much larger and more distinctly warted spores.
This looks like a didymium and in so far justifies the opinion of earlier students.
Didymium salts have a rose or violet colour, and impart (when in sufficient quantity) the same colour to the borax bead.A Textbook of Assaying: For the Use of Those Connected with Mines.|Cornelius Beringer and John Jacob Beringer