. Elementary botany : theoretical and practical. A text-book designed primarily for students of science classes connected with the science and art department of the committee of council on education . Botany. 14 Elementary Botany protoplasm. They are insoluble in water, but break up in a peculiar manner so as to appear to be composed of several layers. Aleurone Grains are minute rounded grains found in the cells of many seeds just before ripening. They often contain crystalloids. They are soluble in caustic potash. They are often oily, and appear to be used as food reservoirs by the Fi
. Elementary botany : theoretical and practical. A text-book designed primarily for students of science classes connected with the science and art department of the committee of council on education . Botany. 14 Elementary Botany protoplasm. They are insoluble in water, but break up in a peculiar manner so as to appear to be composed of several layers. Aleurone Grains are minute rounded grains found in the cells of many seeds just before ripening. They often contain crystalloids. They are soluble in caustic potash. They are often oily, and appear to be used as food reservoirs by the Fig. 15.—Cells of cotyledon of Fiswn sativum. Pea. St, starch granules with central hilum and concentrated striee ; a, granules of aleurone ; i, intercellular spaces (After Sachs.) Fig. 16.—Sphere crystals of inuline in a parenchymatous cell from a tuber of the Dahlia preserved in alcohol, after addition of nitiic acid. Inuline is a peculiar substance found in the roots of Compositse, and now and then in stems. It is very closely related to starch and sugar, and in the living plant is only found in solution in the sap; but by the addition of alcohol or glycerine it separates out, either in a frothy condition or as beautiful spherical masses known as sphere 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 Edmonds, Henry. London and New York : Longmans, Green, and Co.
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectbotany, bookyear1888
