Rubia tinctorum aka rose madder, common madder, dyer’s madder
Rubia tinctorum, the rose madder or common madder or dyer’s madder, is a herbaceous perennial plant species belonging to the bedstraw and coffee family Rubiacea.
Mummified wood
Mummified wood are fossils of wood that have not permineralized. They are formed when trees are buried rapidly in dry cold or hot environments. They are valued in paleobotany bec
Bezoardicum (bezoar of) is a term used in alchemy and other practices
Bezoardicum (bezoar of) is a term applied to multiple substances used in alchemy and other practices. Bezoardicum joviale, or bezoar of Jupiter, is a