A Class-book of Botany: Designed for Colleges, Academies, and Other Seminaries. In Two Parts: Pt. I. The Elements of Botanical Science. Pt. II. The Natural Orders. Illustrated by a Flora of the Northern, Middle, and Western States; Particularly of the United States North of the Capitol, Lat. 38 3/40

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Crocker & Brewster, 1848 - 645 oldal

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492. oldal - By the rivers of Babylon, there we sat down, yea, we wept, when we remembered Zion. We hanged our harps upon the willows in the midst thereof. For there they that carried us away captive required of us a song ; and they that wasted us required of us mirth, saying, Sing us one of the songs of Zion.
49. oldal - Supervolute; when one edge is rolled inwards, and is enveloped by the opposite edge rolled in an opposite direction; as the leaves of the apricot. Of these forms of aestivation, the 4th, 5th, and 9th, are frequently designated by the general term imbricate, that is, edge overlapping edge. CHAPTER VIII. THE FRUIT.
66. oldal - Now if the absorption be the endosmose resulting from these conditions, there must be the counter current, the exosmote, also. That this is actually the case, is proved by the fact that the peculiar products of the species may always be detected in the soil about the roots of the plant, and also, that a plant grown in water, always communicates some of its peculiar properties to the fluid in which it is immersed. 160. The use of absorption in the vegetable economy is not merely the introduction of...
58. oldal - When the seed is planted in a moist soil, at a moderate temperature, the integuments gradually absorb water, soften, and expand. The water is decomposed, its oxygen combines with the carbon of the starch which...
175. oldal - Petals yellow, lateral ones bearded, and with the upper one marked with a few brown lines. The plant varies in pubescence, sometimes even glabrous. Height very variable, 5—20'.
91. oldal - Perfoliate (perfoliatus) ; when the two basal lobes of an amplexicaul leaf are united together, so that the stem appears to pass through the substance of the leaf.
43. oldal - Soon after the pollen falls upon the stigma, the outer coat of each granule bursts (70, a) at one or more points, allowing the inner coat to pass through it in the form of a tube. This tube insinuates itself between the cells of the stigma, and passes down between the loose cells of the style, extending itself until it reaches the ovary, even when the style is of considerable length. When these tubes reach the ovary, they direct themselves towards the ovules in different parts, and enter the foramen,...

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