. An introduction to the structure and reproduction of plants. Plant anatomy; Plants. 8o STEM OF CUCURBITA long, apparently empty, sieve-tubes (s.) and the narrow, densely granular, companion cells () are readily distinguished. The vessels of the metaxylem () bear very dense spirals or occa- sionally bordered pits, whilst in the protoxylem the thickening takes the form of rings or a loose spiral {px.). The narrow elongated elements sometimes seen between are the wood- parenchyma cells. Further insight into the structure of the Dicotyledonous stem will be afforded by a study of that of
. An introduction to the structure and reproduction of plants. Plant anatomy; Plants. 8o STEM OF CUCURBITA long, apparently empty, sieve-tubes (s.) and the narrow, densely granular, companion cells () are readily distinguished. The vessels of the metaxylem () bear very dense spirals or occa- sionally bordered pits, whilst in the protoxylem the thickening takes the form of rings or a loose spiral {px.). The narrow elongated elements sometimes seen between are the wood- parenchyma cells. Further insight into the structure of the Dicotyledonous stem will be afforded by a study of that of the Vegetable Marrow. \. w ^ ' ^t\. 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 Fritsch, Felix Eugene, 1879-; Salisbury, E. J. (Edward James), Sir, b. 1886. London, G. Bell and sons ltd.
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectpl, booksubjectplants
