Order XLII.—Labiatæ: Herb; one hundred and thirty-six genera.
Lavandula (lavender): Greece and Grecian Isles. Cultivated in Hindustan, Atlantic States of North America, Levant.
Marrubium (hoarhound): Perennial. Levant, Peloponnesus, etc. Cultivated all over Europe, and in Temperate Zone in Asia, and Atlantic States in North America.
Mentha (pennyroyal): England, Hindustan, Japan, Persia, India, Egypt. In a belt from eastern side of Mississippi Valley to Japan.
Mentha (spearmint): England, etc., as above.
Nepita (catnip): Perennial or annual. Europe, western Asia, Levant, North America.
Origanum (marjoram): Levant, Mediterranean countries, Europe, as far north as fiftieth parallel. Sweet marjoram, native in Greece.
Rosmarius (rosemary): Evergreen. Southern Europe, Greek islands in the Peloponnesus. Cultivated in western Europe, Japan, Egypt, Hindustan, Asia.
Salvia (sage): Mediterranean countries. Cultivated in middle-southern Europe, British Isles, North America, British India.
Thymus (sweet thyme): Perennial. Spain, southern Europe, Mediterranean States, mountains of Greece, and islands of Archipelago, British Isles, southern Siberia.