Glimpses Into Plant Life An Easy Guide to the Study of Botany
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In our eReader you can find the full English version of the book. Read Glimpses Into Plant Life An Easy Guide to the Study of Botany 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 Glimpses Into Plant Life An Easy Guide to the Study of Botany
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To quickly assess the difficulty of the text, read a short excerpt:
There are interesting facts to be learned about the common primrose. When we examine a little bunch of these flowers we find quite half of them are what children call pin-eyed, meaning that the i8o GLIMPSES INTO PLANT-LIFE stigma, which is at the end of a long pistil, is like the head of a pin in the throat of the primrose.
Looking at the sketch, we see at once that self- pollination is hindered by the fact that the anthers in this flower being at the bottom of the tube, the pollen they contain... must be transferred by some direct agency before it can come in contact with any stigma. Now let us examine the other flowers in our primrose nosegay ; we find the stamens in these are placed in the mouth of the tube, and the pistil is quite short and low down in position. At first sight it appears as if the pollen would fall directly upon the pistil, since the stamens are above that organ, but this is not exactly what happens ; the pollen of this particular form of flower is shed before the stigma is mature, so that when it has reached maturity the pollen is all gone.
What to read after Glimpses Into Plant Life An Easy Guide to the Study of Botany?
You can find similar books in the "Read Also" column, or choose other free books by Eliza Brightwen to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
There are interesting facts to be learned about the common primrose. When we examine a little bunch of these flowers we find quite half of them are what children call pin-eyed, meaning that the i8o GLIMPSES INTO PLANT-LIFE stigma, which is at the end of a long pistil, is like the head of a pin in the throat of the primrose.
Looking at the sketch, we see at once that self- pollination is hindered by the fact that the anthers in this flower being at the bottom of the tube, the pollen they contain... must be transferred by some direct agency before it can come in contact with any stigma. Now let us examine the other flowers in our primrose nosegay ; we find the stamens in these are placed in the mouth of the tube, and the pistil is quite short and low down in position. At first sight it appears as if the pollen would fall directly upon the pistil, since the stamens are above that organ, but this is not exactly what happens ; the pollen of this particular form of flower is shed before the stigma is mature, so that when it has reached maturity the pollen is all gone.
What to read after Glimpses Into Plant Life An Easy Guide to the Study of Botany?
You can find similar books in the "Read Also" column, or choose other free books by Eliza Brightwen to read onlineMoreLess
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