. A manual of botany. Botany. Fig. 747. Phaseolus multiflorus. Longitudinal section througli the apical region at the stem of an embryo, s s. Apex, pi, pi. Parts of the two first leaves, k, I: Commencement ol their axillary buds. After Sachs, Fig. 748. Diagram of course of bundles in stem of Dicotyledon. After Naegeli. point of junction of the two members. These primary common bundles are known as leaf-trace bundles on account of their origin as described. Tracing these leaf-trace bundles down the stem they are found to pass independently down the internodes, joining at the nodes other bundles
. A manual of botany. Botany. Fig. 747. Phaseolus multiflorus. Longitudinal section througli the apical region at the stem of an embryo, s s. Apex, pi, pi. Parts of the two first leaves, k, I: Commencement ol their axillary buds. After Sachs, Fig. 748. Diagram of course of bundles in stem of Dicotyledon. After Naegeli. point of junction of the two members. These primary common bundles are known as leaf-trace bundles on account of their origin as described. Tracing these leaf-trace bundles down the stem they are found to pass independently down the internodes, joining at the nodes other bundles entering there from the leaf vertically below them, or bifurcating and joining those entering the stem from the orthostichies next in order. If a leaf sends many bundles into the stem, their courses become compUcated; they some- times join the other primary brmdles of the stelar ring, or less. 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, J. Reynolds (Joseph Reynolds), 1848-1914. London, J. & A. Churchill
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