. Fundamentals of botany. Botany. SEED-BEARING PLANTS 479 421. Mint Family- (Labiatae).—The Mint family is characterized by a square stem, opposite leaves, a tubular calyx, caused by the coalescence of the five sepals, a highly modified corolla having two lips or labia (singular labium, whence the family name), and leaves containing many. Fig. 363.—Bindweed {Convolvulus arvensis). small glands that secrete a volatile oil, which gives the char- acteristic odor and taste to all the plants of the family. The upper lip results from the fusion of two petals, the lower lip by the fusion of three. Ev
. Fundamentals of botany. Botany. SEED-BEARING PLANTS 479 421. Mint Family- (Labiatae).—The Mint family is characterized by a square stem, opposite leaves, a tubular calyx, caused by the coalescence of the five sepals, a highly modified corolla having two lips or labia (singular labium, whence the family name), and leaves containing many. Fig. 363.—Bindweed {Convolvulus arvensis). small glands that secrete a volatile oil, which gives the char- acteristic odor and taste to all the plants of the family. The upper lip results from the fusion of two petals, the lower lip by the fusion of three. Everyone is familiar with one or more of these features, as embodied in the various mints, pennyroyal, horehound, catnip, sage, savory, thyme, hyssop, wild marjoram, and other condi-. 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 Gager, C. Stuart (Charles Stuart), 1872-1943. Philadelphia, P. Blakiston's son & co.
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Keywords: ., bookauthorgag, bookcentury1900, bookdecade1910, booksubjectbotany
