. Southern field crops (exclusive of forage plants). Agriculture. 36 SOUTHERN FIELD CBOPS The shape of the spike differs in certain species and va- rieties of wheat and may be (1) tapering, or (2) nearly uniform in size, or (3) club-shaped (that is, decidedly largest at the extreme upper end) (Fig. 17). The shape of the spike or head depends largely on the size to which the spikelets in different parts of the spike develop. Comprising each spikelet are usually three or more flowers (Fig. 14). From them, when all conditions are favorable, may develop three grains. More fre- quently, only two fl
. Southern field crops (exclusive of forage plants). Agriculture. 36 SOUTHERN FIELD CBOPS The shape of the spike differs in certain species and va- rieties of wheat and may be (1) tapering, or (2) nearly uniform in size, or (3) club-shaped (that is, decidedly largest at the extreme upper end) (Fig. 17). The shape of the spike or head depends largely on the size to which the spikelets in different parts of the spike develop. Comprising each spikelet are usually three or more flowers (Fig. 14). From them, when all conditions are favorable, may develop three grains. More fre- quently, only two flowers develop, and the spikelet yields only two grains, sometimes only one. A crop with " three grains to the mesh," as some farmers express it, should make a large yield. In some varieties, beards project from the tips of certain of the chaff-hke parts which inclose the seed. It has not been proved that bearded varieties^ of wheat are any hardier or. Fig. 14.—A Head, Spikelet, and Grain of Bearded 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 Duggar, J. F. (John Frederick), 1868-. New York, The Macmillan company
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