. Elementary botany : theoretical and practical. A text-book designed primarily for students of science classes connected with the science and art department of the committee of council on education . Botany. Secondary Deposit 19 (fig. 28). Or else it is deposited as separate rings, when an annular cell is formed (fig. 29). When the thickening is arranged in an irregular manner, producing a perfect network over the wall, the cell is said to be Fig. 2^.—Transverse section of a cell of the pith of Clevtatis vitalba : p, primary cell wall; /, innermost thickening layer ; p, pore-can
. Elementary botany : theoretical and practical. A text-book designed primarily for students of science classes connected with the science and art department of the committee of council on education . Botany. Secondary Deposit 19 (fig. 28). Or else it is deposited as separate rings, when an annular cell is formed (fig. 29). When the thickening is arranged in an irregular manner, producing a perfect network over the wall, the cell is said to be Fig. 2^.—Transverse section of a cell of the pith of Clevtatis vitalba : p, primary cell wall; /, innermost thickening layer ; p, pore-canal; ;', intercellular space. Fig. 28.—a spiral cell from a Cactus, Opnntia Tuna, with strongly thickened spiral band. Very often there is in the cell a gradual passage from a spiral to an annular or reticulated marking (fig. 31). At other times there is a spiral or reticulate marking in addition to the. 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 Edmonds, Henry. London and New York : Longmans, Green, and Co.
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectbotany, bookyear1888
