. The elements of agriculture: a book for young farmers. Agriculture. 46 THE PLANT. CHAPTER YII. LOCATION OF THE DIFFERENT PARTS, AND VARIATIONS IN THE ASHES OF PLANTS. Let us now examine plants with a view to learn- ing the location of the various parts. The stem or trunk of the plant or tree consists very largely of woody fibre / this also forms a large portion of the other parts except the seeds, and, in some instances, the roots. The roots of the potato contain large quantities of starch. Other roots, such as the carrot and turnip^ contain pectic acid^"^ a nutritious substance resembl
. The elements of agriculture: a book for young farmers. Agriculture. 46 THE PLANT. CHAPTER YII. LOCATION OF THE DIFFERENT PARTS, AND VARIATIONS IN THE ASHES OF PLANTS. Let us now examine plants with a view to learn- ing the location of the various parts. The stem or trunk of the plant or tree consists very largely of woody fibre / this also forms a large portion of the other parts except the seeds, and, in some instances, the roots. The roots of the potato contain large quantities of starch. Other roots, such as the carrot and turnip^ contain pectic acid^"^ a nutritious substance resembling starch. It is in the seed^ however, that the more nutritive portions of most plants exist, and here they maintain certain relative positions which it is well to under- stand, and which can be best explained by reference to the following figures, as described by Prof. John- ston :—. FIG, 1. " Thus a shows the position of the oil in the outer * This pectic acid gelatinizes food in" the stomach, and thus renders it more 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 Waring, George E. (George Edwin), 1833-1898. New York, Tribune association
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Keywords: ., bookcentury1800, bookdecade1860, booksubjectagriculture, bookyear
