. A condensed botany;. Botany. 90 SEWALL'S 144. The botanist observes three steps in all vegetable growth: First, the growth of each cell until it attains its full size; Second, the multiplication of the cells'in number; and, Third, the arrangement of these cells in some regular order, thus producing^ definite forms. 145. This collection of cells constitutes what the botanist calls Cellular Tissue; and when the walls of the cells become thick and hard, they form the* Wood. This woody material is ari;anged in two different ways, making two kinds of woody stems. 146. One kind we see in
. A condensed botany;. Botany. 90 SEWALL'S 144. The botanist observes three steps in all vegetable growth: First, the growth of each cell until it attains its full size; Second, the multiplication of the cells'in number; and, Third, the arrangement of these cells in some regular order, thus producing^ definite forms. 145. This collection of cells constitutes what the botanist calls Cellular Tissue; and when the walls of the cells become thick and hard, they form the* Wood. This woody material is ari;anged in two different ways, making two kinds of woody stems. 146. One kind we see in the Coru-stalk; the other in the Oak and Maple—-in fact, in all our common trees. The former is called the Endogen,or ^^ Inside Grower;" the latter the Exogen or " Outside ;. EXOGENOUS STJEM,. 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 Sewall, Joseph Addison, 1830-1917. Chicago, G. Sherwood & co
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Keywords: ., bookcentury1800, bookdecade1870, booksubjectbotany, bookyear1872
