Bystropogon
(from byo, to close, and pogon, a beard; in reference to the throat to the flower being closed up with hairs). ORD. Labiatae. Greenhouse evergreen sub-shrubs, nearly allied to Mentha. Flowers small, in dichotomous, sub-corymbose, or panicled cymes; or else disposed in dense spicate whorls. Bracts lanceolate or subulate. This genus contains easily cultivated species, which are however, of no value for garden purposes.