Elements of Botany: Structural, Physiological, Systematical, and Medical

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Taylor and Walton, 1841 - 292 σελίδες

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Άλλες εκδόσεις - Προβολή όλων

Συχνά εμφανιζόμενοι όροι και φράσεις

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Σελίδα 60 - The Orange is a berry having a pericarp separable into an epicarp, an endocarp, and a sarcocarp, and the cells filled with pulpy bags, which are cellular extensions of the sides of the cavity.
Σελίδα 29 - Phosphate of magnesia in combination with ammonia is an invariable constituent of the seeds of all kinds of grasses. It is contained in the outer horny husk, and is introduced into bread along with the flour, and also into beer. The bran of flour contains the greatest quantity of it. It is this salt which forms large crystalline concretions, often amounting to several pounds in weight, in the...
Σελίδα 133 - Corolla with 3, 4 or 8 petals, more or less united at the base, valvate ; stamens opposite to them. Ovary 1-celled ; ovule erect. Fruit succulent. Seed solitary ; embryo cylindrical, longer than the fleshy albumen. USES. — Bark astringent ; that of Loranthus tetrandrus is employed in Chili for a black dye. Miseltoe is Viscum album. TYPICAL GENERA. — Viscum, Loranthus. 85. — Caprifoliaceee. Shrubs or herbaceous plants, with opposite leaves, destitute of stipules. Flowers usually showy and fragrant....
Σελίδα 48 - A CARPEL is formed by a folded leaf, the upper surface of which is turned inwards, the lower outwards; and within which are developed one or a greater number of buds, which are the mules.
Σελίδα 114 - Trees or shrubs. Leaves without stipules, with pellucid dots. Flowers unisexual. Calyx in 3, 4, or 5 divisions. Petals usually longer than the calyx, convolute. Stamens equal to the petals in number, or twice as many. Ovary of the same number of carpels as there are petals, or a smaller number ; ovules 2 ; styles more or less combined. Fruit berried or membranous, sometimes consisting of several drupes or 2-valved capsules. Seeds solitary or twin, pendulous, usually smooth and shining; embryo lying...
Σελίδα 75 - Dioecia, stamens and pistils, like the former in separate flowers, but on two separate plants. 23. Polygamia, stamens and pistils separate in some, flowers, united in others, either on one, two, or three distinct plants.
Σελίδα 92 - Sepals 3-4-6, in a double row. Petals sometimes with an appendage at the base. Stamens equal in number to the petals, and opposite to them ; anthers opening elastically with a valve from the bottom to the top. Ovary solitary, 1celled. Seeds attached to the bottom of the cell, 1, 2, or 3 ; albumen between fleshy and corneous.
Σελίδα 147 - Disk annular, hypogynous. Capsule with the valves fitting, at their edges, to the angles of a loose dissepiment, bearing the seeds at its base.
Σελίδα 39 - If the floral envelopes are/ of such a nature that it is not obvious whether they consist of both calyx and corolla, or of calyx only, they receive the name of perianthium or 330.
Σελίδα 30 - ... but other substances, besides alkalies, are required to sustain the life of plants. Phosphoric acid has been found in the ashes of all plants hitherto examined, and always in combination with alkalies or alkaline earths.

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