VERTICILLATÆ, the name of a class in Ray's and Boerhaave's Methods, consisting of herbaceous vegetables, having four naked seeds, and the flowers placed in whorls round the stalk. The term is synonymous to the labiati, or lip-flowers of Tournefort; and is exemplified in mint, thyme, and savory.
VERTICILLATÆ is also the name of the 42d order in Linnaeus's Fragments of a Natural Method, consisting of plants which answer the above description.