. Analytical class-book of botany : designed for academies and private students. Plants. Fig. 18. This is a vast order, much larger than any other in the Natural System, and comprehending about 9000 species. But their importance hardly corresponds with their abundance. Tho whole order is pervaded by a bitter astringent principle, which is sometimes tonic, as in the Boneset (Eupaioi'ium perfolia- turn), and the Camomile. In others it is aromatic, as in Artemisia (Wunn- wood), or even acrid, as in Maruta {May-toeed). Tho Boneset also has emetic. Fig. 19. properties. The seeds of the Snn-llower {
. Analytical class-book of botany : designed for academies and private students. Plants. Fig. 18. This is a vast order, much larger than any other in the Natural System, and comprehending about 9000 species. But their importance hardly corresponds with their abundance. Tho whole order is pervaded by a bitter astringent principle, which is sometimes tonic, as in the Boneset (Eupaioi'ium perfolia- turn), and the Camomile. In others it is aromatic, as in Artemisia (Wunn- wood), or even acrid, as in Maruta {May-toeed). Tho Boneset also has emetic. Fig. 19. properties. The seeds of the Snn-llower {TTdianthua), yield a bland oil; ami the tubers of the Jerusalem Artichoke {IT. t>i-J>i^;\ w\\\iih are represented in fiij. 2, Plate X., are S(jmetimes eaten as food. The Ligulifloraj all have a milky juice, containing a narcotic principle, which, especially in the Lettuce, has been used fur opium. The order also includes many highly ornamental, but not delicately beautiful plants, such as tho Aster, Dahlia, Zinnia, and 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 Green, Frances H. (Frances Harriet), 1805-1878; Congdon, Joseph W; Green, Frances H. (Frances Harriet), 1805-1878. Elements of vegetable structure and physiology; Congdon, Joseph W. Systematic botany. New York : D. Appleton and Co.
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Keywords: ., bookcentury1800, bookdecade1850, booksubjectplants, bookyear1854
