Chartreuse (liqueur) was not a secret but well known. At the death of the pharmacist, his heirs returned the manuscript to the monks who had been back at the Monastery since 1816. In 1838, they developed Yellow Chartreuse, a sweeter version of the Green Chartreuse, 40% alcohol liqueur (80° proof). The monks were again expelled from the monastery following a French law in 1903, and their real property, including the distillery, was confiscated by the government. The monks took their secret recipe to their refuge in Tarragona, Catalonia, and began producing their liqueurs with the same label, but with an additional label
Herbal tea is more correct than "herbal tea" or that the latter is even misleading, but most dictionaries record that the word "tea" is also used to refer to other plants beside the tea plant and to beverages made from these other plants. In any case, the term "herbal tea" is very well established and much more common than "tisane". The word "tisane" was rare in its modern sense before the 20th century, when it was borrowed in the modern sense from French. (This is why some people feel it should be pronounced as in French, but the original English pronunciation continues