. Plant life, considered with special references to form and function. Plant physiology. THE Sl^EM. 113 140. Lenticels.—In stems in which the generating layer of the periderm is formed from the epidermis or the cortex adjacent to it, the cork cells produced show certain modi- fications at points correspond- ing to the stomata of the epidermis. Here the cork cells become rounded and loosened from one another (figs. 130, 131). The epider- mis under the strain ruptures „ . ,. , ^ 1^ ir,, 130.—A bit 01 a transverse section of the first at the stoma, and exposes cortex of elder, showing a very youn
. Plant life, considered with special references to form and function. Plant physiology. THE Sl^EM. 113 140. Lenticels.—In stems in which the generating layer of the periderm is formed from the epidermis or the cortex adjacent to it, the cork cells produced show certain modi- fications at points correspond- ing to the stomata of the epidermis. Here the cork cells become rounded and loosened from one another (figs. 130, 131). The epider- mis under the strain ruptures „ . ,. , ^ 1^ ir,, 130.—A bit 01 a transverse section of the first at the stoma, and exposes cortex of elder, showing a very young stage ^ m the formation of a lenticel. I'he cortical this powdery mass of cells «'',s under a stoma hai-e divided tangen- ^ tially and are forming a loose tissue which through a usually biconvex '^^ already torn apart the guard cells, ^ ^ (See ) INlagnihed 120 diam,—After rift, whose shape suggested ^'*'''- for the structure the name lenticel. Lenticels are formed either beneath single stomata, or, when the stomata are not. 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 Barnes, Charles Reid, 1858-1910. New York, H. Holt & company
Size: 2008px × 1245px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., book, bookcentury1800, bookdecade1890, booksubjectplantphysiology
