Evolution of Vegetal Life
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In our eReader you can find the full English version of the book. Read Evolution of Vegetal Life Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Evolution of Vegetal Life
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Indeed, it is difficult to find any test by which that which is animal may be separated absolutely from that which is vegetable. Is it incongruous for a vegetable to have a solid mineral E eolation of Vegetal Life. 121 frame-work like that of the diatoms ? The Rev. J. G. Wood says of flint in grasses and in the horse-tails or equisetse, " so plentiful is this substance, and so equally is it distributed, that it can be separated by heat or acids from the vegetable parts of the plant, and Avill s...till preserve the form of the original cuticle with its cell-walls, stomata and hairs perfectly well denned. " Is it strange that a plant should have motion ? Darwin has shown, by multitudinous experiments, that many climbing-plants regularly revolve at their growing ends, from right to left, or from left to right ; that these revolutions are made in specific times ; that their tendrils, when they have them, likewise revolve, and move forward to avoid clasping the stems upon which they grow ; that sometimes, even if touched on one side by a weight no greater than l-50th of a grain, they will curve toward that side, and subsequently become relaxed ; that- when they find a suitable object, they will twine around it, and having fastened themselves securely, draw up into a spiral spring, thus holding the plant more safely to its sup- port, and at the same time providing a method by which it can yield to the pressure of the wind without disaster.
What to read after Evolution of Vegetal Life?
You can find similar books in the "Read Also" column, or choose other free books by William Potts to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
Indeed, it is difficult to find any test by which that which is animal may be separated absolutely from that which is vegetable. Is it incongruous for a vegetable to have a solid mineral E eolation of Vegetal Life. 121 frame-work like that of the diatoms ? The Rev. J. G. Wood says of flint in grasses and in the horse-tails or equisetse, " so plentiful is this substance, and so equally is it distributed, that it can be separated by heat or acids from the vegetable parts of the plant, and Avill s...till preserve the form of the original cuticle with its cell-walls, stomata and hairs perfectly well denned. " Is it strange that a plant should have motion ? Darwin has shown, by multitudinous experiments, that many climbing-plants regularly revolve at their growing ends, from right to left, or from left to right ; that these revolutions are made in specific times ; that their tendrils, when they have them, likewise revolve, and move forward to avoid clasping the stems upon which they grow ; that sometimes, even if touched on one side by a weight no greater than l-50th of a grain, they will curve toward that side, and subsequently become relaxed ; that- when they find a suitable object, they will twine around it, and having fastened themselves securely, draw up into a spiral spring, thus holding the plant more safely to its sup- port, and at the same time providing a method by which it can yield to the pressure of the wind without disaster.
What to read after Evolution of Vegetal Life?
You can find similar books in the "Read Also" column, or choose other free books by William Potts to read onlineMoreLess
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