. Bulletin. 1901-13. Agriculture; Agriculture. Fig. 1.—Peppermint "runners,'1 showing method of propagation. The two varieties mentioned are closely related botanically, al- though in general appear- ance they arc quite differ- ent. The variety known as black mint {Mentha piperita vulgaris) has pur- ple stems and slightly toothed, dark-green leave-. while the white mint {Men tli a piperita offici- nalis) has green stem-. with brighter green leaves, which are more lance- shaped and more deeply toothed. Black mint is much more hardy and productive than either the American mint or the white
. Bulletin. 1901-13. Agriculture; Agriculture. Fig. 1.—Peppermint "runners,'1 showing method of propagation. The two varieties mentioned are closely related botanically, al- though in general appear- ance they arc quite differ- ent. The variety known as black mint {Mentha piperita vulgaris) has pur- ple stems and slightly toothed, dark-green leave-. while the white mint {Men tli a piperita offici- nalis) has green stem-. with brighter green leaves, which are more lance- shaped and more deeply toothed. Black mint is much more hardy and productive than either the American mint or the white mint, and is grown on nearly all pepper- mint farms in this country. The white mint, which produces a fine grade of oil, is rarely cultivated on a com- mercial scale in this country on ac- count of its inability to withstand the climate and its smaller yield of essen- tial oil. The oils spoken of as Japanese and Chinese " peppermint " oils are not ob- tained from the true peppermint plant, but are distilled from entirely different species, namely. Mentha arvensis piper- ascens Malinvaud and Mentha arvensis (/I ah rata Holmes, respectively. COUNTRIES WHERE GROWN. The most important peppermint- producing countries are the United Slates. England, and Japan. Pepper- mint is grown on a smaller scale in Germany, France, Italy. Russia. China, and southern India. In Japan, peppermint cultivation is said to have been undertaken before the Christian era. The plant grown there is not. as already Leaves and flowering top of Stated, the peppermint cultivated ii, peppermint. our country, but Mentha arvensis piperascens, which is entirely dis-. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original United States. Bureau of Plant Industry, Soils, and Agricultural Engineering. Washington Govt. Print. Off
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