Botanical Text-book (Google eBook)

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Ivision, Blakeman, Taylor, 1870 - 555 pages
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Page 564 - 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 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 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 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 408 - ... in aestivation. Stamens as many as the petals, and alternate with them, inserted on the margin or upper surface of the disk.
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 186 - The residue left by the combustion is commonly composed of salts alkaline chlorides, with bases of potash and soda, earthy and metallic phosphates, caustic or carbonated lime and magnesia, silica, and oxides of iron and of manganese. Several other substances are also met with there, but in quantities so small that they may be neglected.
Page 199 - Every six pounds of carbon in existing plants has withdrawn twenty-two pounds of carbonic acid gas from the atmosphere, and replaced it with sixteen pounds of oxygen gas, occupying the same bulk.

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