46 WILD MEDICINAL PLANTS OF THE UNITED STATES. 



Marsh-gentian. See Gentiana villosa. 

 Marshmallow. See Althaea officinalis. 

 Marsh-rosemary. See Limon&wm carolinianum. 



Marsh-trefoil. See Menyanthes trifoliata. 



Maruta cotula DC. Same as Anthemis cotula. 



Masterwort, See Angelica atropurpurea and Heracleum lanatum. 



May-apple. See Podophyllum peltatuin. 



Mayflower. See Epigaea repeat. 



May-pops. See Passifiora incarnata. 



Maythorn. See Crataegus oxyacantha. 



Mayweed. See Anthemis cotula. 



Meadow-clover. See Trifolium pratense. 



Meadow-fern. See Comptonia peregrina. 



Meadowpride. See Frasera carol inensis. 



Meadow-scabish. See Aster puniceus. 



Meadowsweet, pink. See Spiraea tomentosa. 



Mealy-tree. See Viburnum dentatum. 



Melilot, yellow. See Melilotus officinalis. 



Melilotus officinalis (L. ) Lam. Pea family (Fabaceae), 



Yellow melilot; yellow sweet clover. 



Annual or biennial herb, 1 to 3 feet high, introduced from Europe, and occurring 

 in waste places throughout the eastern United States. 



Parts used. — Leaves and flowering tops (nonofficial). 

 Melissa, See Melissa officinalis. 

 Melissa officinalis L. Mint family (Menthaceae). 



Melissa; balm; lemon-balm; garden-balm; sweet balm. 



Perennial herb, 10 to 20 inches high, naturalized from Europe, and growing in 

 waste places, fields, and woods from Maine to Georgia. 



Parts used. — Leaves and tops (official in U. S. P. 1890). 

 Menispermum. See Menispermum canadense. 

 Menispermum canadense L. Moonseed family (Menispermaceae). 



Menispermum; 3^ellowparilla; Canada moonseed; Texas sarsaparilla ; vine-maple. 



Native, perennial, woody climber, found in woods along streams from Canada 

 to Georgia and Arkansas. 



Parts used. — Rhizome and roots (official in U. S. P. 1890). 

 Mentha piperita. See Mentha piperita L. 

 Mentha piperita L. Mint family ( Menthaceae) . 



Mentha piperita; peppermint. 



Aromatic, perennial herb, 1 to 2 feet high, naturalized from Europe, and occur- 

 ring in damp places from Nova Scotia to Minnesota, south to Florida and Ten- 

 nessee. Cultivated principally in Michigan and New York. 



Parts used, — Leaves and flowering tops, and the oil of peppermint distilled from 

 these, are official. 



Mentha spicata L. Mint family (Menthaceae ) . 



Synonym. — Mentha viridis L. 



Mentha viridis; spearmint. 



Aromatic, perennial herb, 1 to 2 feet high, naturalized from Europe, and grow- 

 ing in moist fields and waste places from Nova Scotia to Utah, south to Florida 

 and Kansas. Also cultivated. 



Parts used. — Leaves and flowering tops, and the oil of spearmint distilled from 

 these, are official. 



