mentha viridis

Spearmint \Spear"mint`\, n. [So named from its spiry, not
   capitate, inflorescence. --Dr. Prior.] (Bot.)
   A species of mint ({Mentha viridis}) growing in moist soil.
   It vields an aromatic oil. See {Mint}, and {Mentha}.
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Mint \Mint\ (m[i^]nt), n. [AS. minte, fr. L. mentha, Gr. mi`nqa,
   mi`nqh.] (Bot.)
   The name of several aromatic labiate plants, mostly of the
   genus {Mentha}, yielding odoriferous essential oils by
   distillation. See {Mentha}.
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   Note:

   {Corn mint} is {Mentha arvensis}.

   {Horsemint} is {Mentha sylvestris}, and in the United States
      {Monarda punctata}, which differs from the true mints in
      several respects.

   {Mountain mint} is any species of the related genus
      {Pycnanthemum}, common in North America.

   {Peppermint} is {Mentha piperita}.

   {Spearmint} is {Mentha viridis}.

   {Water mint} is {Mentha aquatica}.
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   {Mint camphor}. (Chem.) See {Menthol}.

   {Mint julep}. See {Julep}.

   {Mint sauce}, a sauce flavored with spearmint, for meats.
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Yerba \Yer"ba\, n. [Sp.] (Bot.)
   An herb; a plant.
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   Note: This word is much used in compound names of plants in
         Spanish; as, yerba buena [Sp., a good herb], a name
         applied in Spain to several kinds of mint ({Mentha
         sativa}, {Mentha viridis}, etc.), but in California
         universally applied to a common, sweet-scented labiate
         plant ({Micromeria Douglasii}).
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   {Yerba dol osa}. [Sp., herb of the she-bear.] A kind of
      buckthorn ({Rhamnus Californica}).

   {Yerba mansa}. [Sp., a mild herb, soft herb.] A plant
      ({Anemopsis Californica}) with a pungent, aromatic
      rootstock, used medicinally by the Mexicans and the
      Indians.

   {Yerba reuma}. [Cf. Sp. reuma rheum, rheumatism.] A low
      California undershrub ({Frankenia grandifolia}).
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