Elements of Botany: Structural, Physiological, Systematical, and MedicalTaylor and Walton, 1841 - 292 páginas |
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Elements of Botany: Structural, Physiological, Systematical, and Medical John Lindley Visualização integral - 1841 |
Elements of Botany, Structural, Physiological, Systematical, and Medical John Lindley Pré-visualização indisponível - 2018 |
Palavras e frases frequentes
acrid Acrogens albumen Alliance anthelmintic Anthers antispasmodic apex aromatic astringent axils axis bark base bitter bracts buds called Calyx Calyx inferior Capsule Carpels cathartic cells cellular tissue consisting corolla cotyledons dehiscence demulcent diaphoretic disk dissepiments distinct diuretic Division dotted eatable embryo emetic emmenagogue employed Endogens erect Exogens febrifugal filaments fleshy albumen floral envelopes floret flower-buds Flowers hermaphrodite Flowers unisexual fragrant Fruit capsular Herbaceous plants herbs hilum hypogynous imbricated indefinite indehiscent Inflorescence involucre irregular juice leaf leaf-buds Leaves alternate Leaves opposite Leaves without stipules lobes medullary membranous monadelphous narcotic Ovary Ovary 1-celled Ovary superior ovules parietal pericarp perigynous Petals petiole pistil placenta poisonous Produces pungent purgative radicle resinous ripe fruit root Seeds numerous Sepals shrubs sometimes species spiral vessels Stamens Stamens definite stem stigma style succulent sudorific Theca thecæ tonic transverse Trees or shrubs tube tubular TYPICAL USES.-The USES.-Unknown usually valvate valves vertical section vesicles whorl wood
Passagens conhecidas
Página 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.
Página 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...
Página 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....
Página 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.
Página 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...
Página 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.
Página 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.
Página 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.
Página 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.
Página 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.