. Botany for agricultural students . Botany. STRUCTURE OF MONOCOTYLEDONOUS STEMS 191 walls. The sieve vessels, assisted by the companion cells, which are also thin-walled, elongated, living cells, conduct the foods manufactured in the leaves, such as proteins and the carbohy- drates of which sugar is the chief one. The strengthening cells, which are more numerous at the outer margin of the xylem and phloem, form a sheath around the vascular bundle. One peculiar feature of the vascular bundles of Monocotyledons is that there is no provision whereby the bundle can increase its tissues, and for t
. Botany for agricultural students . Botany. STRUCTURE OF MONOCOTYLEDONOUS STEMS 191 walls. The sieve vessels, assisted by the companion cells, which are also thin-walled, elongated, living cells, conduct the foods manufactured in the leaves, such as proteins and the carbohy- drates of which sugar is the chief one. The strengthening cells, which are more numerous at the outer margin of the xylem and phloem, form a sheath around the vascular bundle. One peculiar feature of the vascular bundles of Monocotyledons is that there is no provision whereby the bundle can increase its tissues, and for this reason it is known as a closed vascular bundle. In mono- cotyledonous stems, where there is no special provision for growth. 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 Martin, John N. (John Nathan), b. 1875. New York : John Wiley & Sons, Inc.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1919
