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. Botany for young people and common schools. How plants grow, a simple introduction to structural botany. With a popular flora, or an arrangement and description of common plants, both wild and cultivated. Botany. FLOWERS : THEIR iS'ATURE. 65. Stigrna. Style. Ovary. which sinks into the pistil, somewhat as a root grows down into the ground, and reaches an ovule in the ovary, causing it in some unknown way to develop an embryo, and thereby become a seed. 197. As to the Pistil, we have aho learned that it consists of three parts, the Ovary, the Style, and the Stigma (16) ; that the style is not
. Botany for young people and common schools. How plants grow, a simple introduction to structural botany. With a popular flora, or an arrangement and description of common plants, both wild and cultivated. Botany. FLOWERS : THEIR iS'ATURE. 65. Stigrna. Style. Ovary. which sinks into the pistil, somewhat as a root grows down into the ground, and reaches an ovule in the ovary, causing it in some unknown way to develop an embryo, and thereby become a seed. 197. As to the Pistil, we have aho learned that it consists of three parts, the Ovary, the Style, and the Stigma (16) ; that the style is not always present, being only a stalk or support for the stigma. But the two other parts are essential, — the Stigma to receive the pollen, and the Ovary to contain the ovules, or bodies which are to become seeds. Fig. 156 represents a pistil of Stonecrop, magnified; its stigma (known by the naked roughish surface) at the tip of the style; the style gradually enlarging downwards into the ovary. Here the ovary is cut in two, to show some of the ovules inside. And Fig. 157 shows one of the ovules, or future seeds, still more magnified. 198. Nature of the Flower. In the mind of a botanist, who looks at the philosophy of the thing, AJiower answers to a sort of branch. True, a flower does not bear much resemblance to a common branch ; but we have seen (90-109) what remarkable forms and ap- pearances branches, and the leaves they bear, occasionally take. Flowers come from buds just as branches do, and spring from just the same places that branches do (169). branch intended for a peculiar purpose. While a branch with ordinary leaves is intended for growing, and for collecting from the air and preparing or digesting food, — and while such peculiar branches as tubers, bulbs, &c. are for holding pre- pared food for future use, — a blossom is a very short and a special sort of branch, intended for tlje production of seed. If the whole flower answers to a branch, then it follows th
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Keywords: ., bookidbotanyforyoungpe00graybookyear1867, c1858bookdecade1860bo