COMPARATIVE STUDIES OF EMBRYO AND ENDOSPERM

Abstract
Results of chemical analyses of wheat germ and of barley endosperm indicate that, while the germ preparation can yield typical pectic materials, including a pure araban, such materials are absent from the central endosperm. The behaviour of sections of seeds of various grasses in a number of different solvents indicates that in all samples examined of Bromus sterilis, and in some samples of barley, intercellular cementing material is either lacking or else very readily soluble in water, whereas in all samples examined of Bromus mollis and in other samples of barley, proteinaceous material is present between the individual cells of the endosperm.

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