. Plants and their uses; an introduction to botany. Botany; Botany, Economic. ELASTIC^ GUMS 2Si much too small to he of iiuy economic KJgnificance. The use of this juice to the plant is not altogether clear; but from the fact that it flows readily from a cut and after a little while hardens upon exposure to the aii-, the conclusion seems war- ranted that it serves in jiart at least as a rearly means (jf. Fig. 270.—Brazilian Rubl)er-trec (Heuea ouyaaensis. Spurge Familj-, Euphorbiacem). A, flowering branch. B, part of fiower-fluster. (', staminate flower. D, same with calyx removed. E, pistilla
. Plants and their uses; an introduction to botany. Botany; Botany, Economic. ELASTIC^ GUMS 2Si much too small to he of iiuy economic KJgnificance. The use of this juice to the plant is not altogether clear; but from the fact that it flows readily from a cut and after a little while hardens upon exposure to the aii-, the conclusion seems war- ranted that it serves in jiart at least as a rearly means (jf. Fig. 270.—Brazilian Rubl)er-trec (Heuea ouyaaensis. Spurge Familj-, Euphorbiacem). A, flowering branch. B, part of fiower-fluster. (', staminate flower. D, same with calyx removed. E, pistillate flower, with removed. (Berg and Sclimidt.)—Tree growing 20 m. tail; lea-ves thin: flowers inconspicuous; fruit somewhat fleshy. Native home, J-irazii. covering wounds promptly with a waterproof ]5r()tection against agencies of decay. One of the most important American sources of awutcJwuc is the Brazilian rubber-tree (Fig. 270). Long before the coming of Europeans the South American Indians made use. 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 Sargent, Frederick Leroy, 1863-. New York, H. Holt and Company
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
