. Class-book of botany : being outlines of the structure, physiology, and classification of plants ; with a flora of the United States and Canada . Botany; Botany; Botany. 660 S59 661 Forms of cells. 560, Wood-cells. 561, Cellular tissue of a rootlet, etc. 650. Pitted cells, a variety where larger transparent points appear, surrounded by 2 or 3 rings (pine and the Coniferae in general). 651. Spiral cells, where the secondary layer consists of spiral fibers or bands. There may be a single fiber, or several (2 to 20) united into a band. It is usually elastic and may be drawn out and B
. Class-book of botany : being outlines of the structure, physiology, and classification of plants ; with a flora of the United States and Canada . Botany; Botany; Botany. 660 S59 661 Forms of cells. 560, Wood-cells. 561, Cellular tissue of a rootlet, etc. 650. Pitted cells, a variety where larger transparent points appear, surrounded by 2 or 3 rings (pine and the Coniferae in general). 651. Spiral cells, where the secondary layer consists of spiral fibers or bands. There may be a single fiber, or several (2 to 20) united into a band. It is usually elastic and may be drawn out and B65 562, Polyhedral cells of parenchyma In pith of Elder. 56S, Stellate cells in pith of Ensh. 565, Spherical cells in Houseleek. 566, Wood-cells and ducts of Oak. B64, Wood-cells of the Flax-flber. These beautiful cells may be well seen in a shoot of elder, in the petiole of rhubarb, Geranium, strawberry. In the two latter, if gently pulled asunder, the coiled fibers appear to the naked eye. 652. Annular cells, when there are numerous rings within, instead of a spiral coil, as in the stems of balsam and some Cryptogamia. 653. ScALARiFOEM CELLS, wheu the rings seem conjoined by bars crossing between them, giving an appearance compared to a ladder (scala), as in the vine and ferns. Porous cells with the secondary layers full of perforations, reticulated cells, as if a network; and many other 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 Wood, Alphonso, 1810-1881. New York : A. S. Barnes & Burr
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Keywords: ., bookcentury1800, bookdecade1860, bookpublisher, booksubjectbotany
