. Introduction to structural and systematic botany, and vegetable physiology. Botany. .EXOGENOUS OR DICOTYLEDONOUS PLANTS. 467 volatile oil, to which their qualities are due. Camphor is obtained from Camphora ofRcinarum of Japan, China, &c. Cinnamon is the bark of Cinnamomum Zeylanicum ; Cassia bark, of Cinnamomum aromaticum of China. The aromatic bark and wood and the very- mucilaginous leaves of our own Sassafras are. well known. Our Benzoin odoriferura is the Spice-wood, or Feverbush. Laurus nobilis is the true Laurel, or Sweet Bay. Persea gratissima, of the West Indies, bears the edibl
. Introduction to structural and systematic botany, and vegetable physiology. Botany. .EXOGENOUS OR DICOTYLEDONOUS PLANTS. 467 volatile oil, to which their qualities are due. Camphor is obtained from Camphora ofRcinarum of Japan, China, &c. Cinnamon is the bark of Cinnamomum Zeylanicum ; Cassia bark, of Cinnamomum aromaticum of China. The aromatic bark and wood and the very- mucilaginous leaves of our own Sassafras are. well known. Our Benzoin odoriferura is the Spice-wood, or Feverbush. Laurus nobilis is the true Laurel, or Sweet Bay. Persea gratissima, of the West Indies, bears the edible Avocado pear. 8flf9. Ol'd. ThymelaceSB {Mezereum Family). Shrubby plants, with perfect flowers, and a very tough bark; the tube of the petaloid • calyx being free from the (one-ovuled) ovary ; its lobes imbricated in SEstivation ; the pendulous seed destitute of albumen. Stamens often twice as many, as the lobes of the calyx, inserted upon its tube. or throat. — Ex. Daphne and Dirca (Leather-wood, Moose-wood, Wickopy, which is the only North American genus). The tough bark is acrid, or even blistering, and is also useful for cordage. The reticulated fibres of the liber in the Lagetta or Lace-bark of Jamaica may be separated into a kind of lace. The berries are more or less deleterious. 900. Ol'd. EleagnaceSB {Oleaster Family): Shrubs or small trees, with the flowers more commonly dioecious ; readily distinguished from the preceding by having the foliage and shoots covered with scurf, by the ascending albuminous seed, and the jjersistent tube of FIG. 1118. Flowering branch of Dirca palustris. 1119. A flower. 1120. The same, laid open and enlarged. 1121. Branch in 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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