FTP, name this mystical society whose symbol was a red rose on a cross.
They may have included Traiano Boccalini and Tommaso Campanella, according to a chapter on "Italian Liberals" in a book about them.  They are described in The Labyrinth of the World by Comenius, while the Theatrum Chemicum Britannicm indicates that Elias Ashmole wanted to be one.  Johann Theodore De Bry published many of their best known works, including the book of emblems Atalanta fugiens and the History of the Macrocosm and the Microcosm written by Robert Fludd.  Their notion of an "Invisible College" seems to have inspired the Royal Society, while their manifestos, like the Fama Fraternitatis, describe a pilgrimage to the Holy Land made by one C. R.  An "enlightenment" associated with them is described by Frances Yates, who depended heavily on the Chemical Wedding of Johann Andreae.  FTP, name this mystical society whose symbol was a red rose on a cross.
They may have included Traiano Boccalini and Tommaso Campanella, according to a chapter on "Italian Liberals" in a book about them.  
the Rosicrucians