Morphology of the barley grain with reference to its enzym-secreting areas . Fig. 2.—Two Grains of Finnish Barley. A grain of undesirable spindle shape and a small, insufficientscutellum. 1 83, U. S. Dept. of Agriculture. Plate Fig. 2.—Two Grains of an Asiatic Barley. A grain of fairly oval shape, but with a small, insufficient scutellum. MORPHOLOGY OF THE BA1! I. E Y CHAIN. 25 fig. 6.) Given the same area in contact with the endosperm, theepithelial layer composed of long cells will have a much greater cubicalcontent. Also, if the cells be narrower, their total number will begreater in a


Morphology of the barley grain with reference to its enzym-secreting areas . Fig. 2.—Two Grains of Finnish Barley. A grain of undesirable spindle shape and a small, insufficientscutellum. 1 83, U. S. Dept. of Agriculture. Plate Fig. 2.—Two Grains of an Asiatic Barley. A grain of fairly oval shape, but with a small, insufficient scutellum. MORPHOLOGY OF THE BA1! I. E Y CHAIN. 25 fig. 6.) Given the same area in contact with the endosperm, theepithelial layer composed of long cells will have a much greater cubicalcontent. Also, if the cells be narrower, their total number will begreater in a given area. If Torreys conclusion that the nucleus isthe final organ to which secretion is due is correct, this increase in thenumber of cells and in the consequent number of nuclei is an actualIncrease in secreting power. In any case, it is reasonable to assumethat a greater number of cells with a greater plasmic content is moreefficient 1 linn a smaller number of cells with a smaller plasmic existence of this type ^of epithelial layer in themost prized malting bar-leys gives corroboration tothis belief. The long, nar-row cell prevails in the bet-ter sorts, but becomes lessprominent as the qualitydecreases. A


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Keywords: ., bookcentury1900, bookdecade1910, bookpublisherwashi, bookyear1915