Lippia mexicana

Natural History.
      Lippia Mexicana. N. O. Verbenacae. Tincture of whole fresh plant.

Clinical.
      Cough.

Characteristics.
      The Chicago Med. Times (H. W., xxxii. 185) gives this indication for Lippia: Hoarse ringing or barking chest cough, without expectoration, occurring every winter, especially in women.
      The dose recommended is ten to thirty drops every two to four hours.