. Botany of the southern states. In two parts. Part I. Structural and physiological botany and vegetable products. Part II. Descriptions of southern plants. Arranged on the natural system. Preceded by a Linnæan and a dichotomous analysis. Botany -- Southern States. 30 THE EOOT. Fig. 28. and stem should be founded, is contained in tlie first pai-t of our definition, that the root is the descending part of the axis of a plant. If it descends it is a root, and if it ascends it is a stem ; we mean, of course, when they meet with no physical impedi- ment. 67. The forms of roots are various, and rec
. Botany of the southern states. In two parts. Part I. Structural and physiological botany and vegetable products. Part II. Descriptions of southern plants. Arranged on the natural system. Preceded by a Linnæan and a dichotomous analysis. Botany -- Southern States. 30 THE EOOT. Fig. 28. and stem should be founded, is contained in tlie first pai-t of our definition, that the root is the descending part of the axis of a plant. If it descends it is a root, and if it ascends it is a stem ; we mean, of course, when they meet with no physical impedi- ment. 67. The forms of roots are various, and receive difterent names in the de- scriptions of plants. Although various divisions have been made by different Botanists, yet great discrepancies exist, among them. We shall describe only the most common forms. (1.) Branching Hoof, or Radix ra- mosa, Fig. 28. These roots are such as subdivide in the earth in a man- ner similar to the divisions of the stem, and are found exhibited in the forest trees and shrubs. This variety forms the true type of roots ; and is the one from which our ideas of this organ are formed, as distinguishing it Branching root. from the other organs of the Fig. 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 Darby, John, 1804-1877. New York, A. S. Barnes
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