. Introduction to structural and systematic botany, and vegetable physiology. Botany. EXOGENOUS OR DICOTYLEDONOUS PLANTS. 441 and with scales instead of leaves. — Ex. Monotropa, the Indian- Pipe and Pinesap. 857. In this diversified and widely diffused order, the bark and foliage are generally astringent, often stimulant or aromatic from a volatile oil or a resinous matter, and not seldom narcotic. Thus, the leaves of Rhododendron, Kalmia, and all the related plants, are deleterious (being stimulant narcotics), or suspicious. The honey made from their flowers is sometimes poisonous. The Uva-Ur
. Introduction to structural and systematic botany, and vegetable physiology. Botany. EXOGENOUS OR DICOTYLEDONOUS PLANTS. 441 and with scales instead of leaves. — Ex. Monotropa, the Indian- Pipe and Pinesap. 857. In this diversified and widely diffused order, the bark and foliage are generally astringent, often stimulant or aromatic from a volatile oil or a resinous matter, and not seldom narcotic. Thus, the leaves of Rhododendron, Kalmia, and all the related plants, are deleterious (being stimulant narcotics), or suspicious. The honey made from their flowers is sometimes poisonous. The Uva-Ursi and the Chimaphila (Pipsissewa) are the chief medicinal plants of. the order. The bei'ries are generally edible, and some are largely used for the dessert; as Cranberries, Blueberries, and Huckleber- ries. The fleshy calyx of Gaultheria (Checkerberry, or Winter- green) has a very pleasant and well-known aroma. Many Ericaceas are cultivated for ornament, especially Rhododendrons and Azaleas, Heaths and Epacrises. FIG. 922. Pyrola chlorantha, reduced in size. 923. Enlarged flower. 924. Magnified sta- men. 925. Pistil. 926. Cross-section of the capsule. 927. A highly magnified seed. 928. The nucleus removed from the loose cellular testa, and divided, showing the very minute embryo. FIG. 929. Monotropa uniflora. 930. A petal. 931. Capsule, with the stamens. 932 Trans- verse section of the same; the thick and lobed placenta covered with very minute 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 Gray, Asa, 1810-1888. New York [etc. ] Ivison, Blakeman, Taylor & Co.
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