Botanical Text-book

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Ivision, Blakeman, Taylor, 1870 - 555 pages
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Page 131 - The plant is a composite being, or community, lasting, in the cuse of a tree, through an indefinite and often immense number of generations. These are successively produced, enjoy a term of existence, and perish in their turn. Life passes onward continually from the older to the newer parts, and death follows, with equal step, at a narrow interval.
Page 328 - Lindley raised three raspberry plants from seeds discovered in the stomach of a man whose skeleton was found thirty feet below the surface of the earth, at the bottom of a barrow, or burial mound, which was opened near Dorchester, England. With the body had been buried some coins of the emperor Hadrian...
Page 350 - Alga? exhibit, and that all these motions are arrested by narcotics or other poisons — the narcotic and acrid poisons even producing effects upon vegetables respectively analogous to their different effects upon the animal economy — we cannot avoid attributing to plants a vitality, and a power of making movements tending to a determinate end, not differing in nature, perhaps, from those of the lower Animals.
Page 564 - GERMAN SERIES. Woodbury's New Method with the German. Woodbury's Key to above. Woodbury's Shorter Course with the German. Woodbury's Key to the Shorter Course. Woodbury's Method for Germans to learn English. Woodbury's Elementary German Reader. Woodbury's Eclectic German Reader.
Page 173 - Monocotyledons separate from the stem and fall by means of an articulation at the junction with the stem, which begins to form early in the season and is completed at the close. There is a kind of disintegration of a transverse layer of cells, which cuts off the petiole by a regular line, and leaves a clean scar, such as is seen in Fig.
Page 173 - ... bundles ; or the increased size of the coming leaf-bud will snap them ; or if these causes are not in operation, a gust of wind, a heavy shower, or even the simple weight of the lamina, will be enough to disrupt the small connexions, and send the suicidal member to its grave. " Such is the history of the fall of the leaf.
Page 339 - ... cellular Marchantia-like frond. The globular cell produces in its interior a number of minute vesicles, in each of which is developed a spiral filament, coiled up in the interior. At a certain epoch the globular cell bursts and discharges the vesicles, and the spiral filaments moving within the vesicles at length make their way out of them and swim about in the water, displaying a spiral or heliacal form, and consisting of a delicate filament with a thickened clavate extremity : this, the so-called...
Page 201 - While animals," says the most eminent botanist of this country, " consume the oxygen of the air, and give back carbonic acid, which is injurious to their life, this carbonic acid is the principal element of the food of vegetables, is consumed and decomposed by them, and its oxygen restored for the use of animals. Hence the perfect adaptation of the two great kingdoms of living beings to each other ; — each removing from the atmosphere what would be noxious to the other ; — each yielding to the...
Page 34 - ... same time, the water in the vessel will become slightly sweet; showing that a small quantity of syrup has passed through the pores of the membrane into the water without, while a much larger portion of water has entered the tube. The water will continue to enter the tube, and a small portion of syrup to leave it, until the solution is reduced to the same strength as the liquid without. If a solution of gum, salt, or any other substance, be employed instead of sugar, the same result will take...

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