Catnip - a perennial herb of the mint family

"Catnip" is the common name for a perennial herb of the mint family. Catnip is native to Europe and is imported into the United States. In North America it is a common widespread weed. Catnip is most popular with cats and the reaction that it causes in them when they receive some dried nip from their owner. They roll around in it in all of their glory. The fact is that humans do not smell what