Field Lore for Young Farmers; a Text-Book for the Graded Schools
The book Field Lore for Young Farmers; a Text-Book for the Graded Schools was written by author Grimes, Katharine Atherton Here you can read free online of Field Lore for Young Farmers; a Text-Book for the Graded Schools book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Field Lore for Young Farmers; a Text-Book for the Graded Schools a good or bad book?
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In some flowers the anthers open and the pollen is all scattered before the stigma is ready to receive it. In others the stigma gets ready long before the pollen is ripe, and by the time the anthers open it is all dried up and the style tube is dead. Often the style is so long, and the stamens are so short, that the stigma is far out of reach of the pollen, while at other times the style may be short enough, but the flower may droop so as to scat- THE LIFE WORK OF THE PLANT 121 ter the pollen a...way from the stigma instead of toward it. Nature's Purpose. — But Nature never makes any mis- takes. All these things are for a purpose. In a great many cases if an ovule is fertilized by pollen from its own flower it is not so likely to make a good, strong seed as though the pollen came from another flower, or from a blossom on an entirely different plant of the same kind. That is why Nature takes so many precau- tions against self-fertilization. Messengers that Carry the Pollen. — But there is an- other difficulty.
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