Sentence Examples


  • Eventually the new phellogens reach the level of the secondary phloem, and are formed in the parenchyma of the latter, keeping pace in their inward march with the formation of fresh secondary phloem by the cambium.
  • The phloem is generally Type.
  • The xylem and phloem also, rarely form perfectly continuous layers as they do in a solenostelic fern.
  • The cylinder is surrounded by a mantle of one or more layers of parenchymatous cells, the pericycle, and the xylem is generally separated from the phloem in the stem by a similar layer, the mesocycle (corresponding with the amylom sheath in mosses).
  • The Stele In But, unlike the ferns, there is in the seed-plants no in- s d I ~ ternal phloem (except as a special development in ee pan $~$~ certain families) and no internal endodermis.
 

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