. Botany of the living plant. Botany. Fig. 63. a, fe, Successively older sections of the root of the Bean (I'icia Faba), showing the beginning of cambial activity. In [a] divisions appear {cb) in the conjunrtive parenchyma internally to the phloem, but the pericycle (per) is quiescent. In (b) the cambium has already formed xylem internally (2n(l xy),3ind phloem externally {2ndphi), and cell division has spread to the pericycle, and is continuous outside the protoxylem (/jr.:*;^). ( >; 100.) appear, as in the stem. Consequently an old root of a Dicotyledon acquires a structure very like that
. Botany of the living plant. Botany. Fig. 63. a, fe, Successively older sections of the root of the Bean (I'icia Faba), showing the beginning of cambial activity. In [a] divisions appear {cb) in the conjunrtive parenchyma internally to the phloem, but the pericycle (per) is quiescent. In (b) the cambium has already formed xylem internally (2n(l xy),3ind phloem externally {2ndphi), and cell division has spread to the pericycle, and is continuous outside the protoxylem (/jr.:*;^). ( >; 100.) appear, as in the stem. Consequently an old root of a Dicotyledon acquires a structure very like that of an old stem (Fig. 64). The difference may be often observed even in old roots In' looking for the. 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 Bower, F. O. (Frederick Orpen), 1855-1948. London, Macmillan
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1919
