. Botany for high schools and colleges. Botany. THE FIBRO-VASOULAR SYSTEM. 117 146.—The bundle of the adventitious root of Ranunculus repens is very different from the one just described. It may be briefly described as composed of a mass of tracheary tis-. Pig. 106.—Transverse section of hypocotyledonary portion of etem of Blcinut com- munis, r, r, parenchyma of the primary cortex ; m, parenchyma of the pith; d, bast fibres ; y, y, soft bast; c, cambium ; g, g, large pitted vesei'Is ; t, t, smaller pit- ted vessels ; cb, continuation of the cambium into the parnnchjraa lying between the bundle
. Botany for high schools and colleges. Botany. THE FIBRO-VASOULAR SYSTEM. 117 146.—The bundle of the adventitious root of Ranunculus repens is very different from the one just described. It may be briefly described as composed of a mass of tracheary tis-. Pig. 106.—Transverse section of hypocotyledonary portion of etem of Blcinut com- munis, r, r, parenchyma of the primary cortex ; m, parenchyma of the pith; d, bast fibres ; y, y, soft bast; c, cambium ; g, g, large pitted vesei'Is ; t, t, smaller pit- ted vessels ; cb, continuation of the cambium into the parnnchjraa lying between the bundles—the parenchyma cells are repeatedly divided by tangential walla. Between the primary cortex r and the fibrous tissue of the phloem lies a layer, the so-called bundle-sheath, filled with compound starch grains. Highly magnified.—After Sachs. sue, which is cross-shaped, as seen in transverse section (ff, r, g. Fig. 108), 'and four masses of sieve tissue, -which lie in the angles between the projecting portions of the tracheary tissue. Around the whole is a layer of pericambium (p,. 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 Bessey, Charles E. (Charles Edwin), 1845-1915. New York : H. Holt
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectbotany, bookyear1885
