3. Peppermint still (after Dewey, in Bailey’s Cyclopedia of American Horticulture) 12 One of the most important essential oils produced in the United States is distilled from the peppermint plant and its varieties. The three kinds of mint grown in this country for the distillation of peppermint oil are the so-called American mint (_Mentha piperita_ L.), the black mint (_Mentha piperita vulgaris_ Sole), and the white mint (_Mentha piperita officinalis_ Sole), the two last named being varieties of the American mint.…
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