Physiological Botany: An Abridgement of The Students' Guide to Structural, Morphological, and Physiological BotanyD. Appleton and Company, 1886 - 292 páginas |
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Página vii
... various text - books hold a first place in his own country . These works are mostly devoted to medical botany , but the present is a general treatise prepared for a less advanced class of students , and is a model of clear , concise ...
... various text - books hold a first place in his own country . These works are mostly devoted to medical botany , but the present is a general treatise prepared for a less advanced class of students , and is a model of clear , concise ...
Página 1
... various ways , as in Oscillatoria ( Fig . 2 ) . All these plants - so far , at least , as is known- multiply by division of their cells only ; but a little higher in the scale we meet with plants in which certain of their cells perform ...
... various ways , as in Oscillatoria ( Fig . 2 ) . All these plants - so far , at least , as is known- multiply by division of their cells only ; but a little higher in the scale we meet with plants in which certain of their cells perform ...
Página 2
... also termed Cellular Plants , in contradistinction to those which come above them , which are called Vascular Plants . From the Thallophytes , by various CRYPTOGAMOUS OR FLOWERLESS PLANTS . 3 intermediate stages , through.
... also termed Cellular Plants , in contradistinction to those which come above them , which are called Vascular Plants . From the Thallophytes , by various CRYPTOGAMOUS OR FLOWERLESS PLANTS . 3 intermediate stages , through.
Página 7
... various markings on their outer or free surface , while those that are united to form tissues have them on the internal surface of their cell - wall . The former is termed centrifugal thickening ; the latter centripetal thick- ening . 2 ...
... various markings on their outer or free surface , while those that are united to form tissues have them on the internal surface of their cell - wall . The former is termed centrifugal thickening ; the latter centripetal thick- ening . 2 ...
Página 14
... , we have cells which maintain a rounded form in the center , but with rays projecting from them in various directions , by which they acquire a more or less star - like FORMS OF CELLS . 15 or irregular appearance . Hence.
... , we have cells which maintain a rounded form in the center , but with rays projecting from them in various directions , by which they acquire a more or less star - like FORMS OF CELLS . 15 or irregular appearance . Hence.
Otras ediciones - Ver todas
The Student's Guide to Structural, Morphological and Physiological Botany Robert Bentley Sin vista previa disponible - 2016 |
The Student's Guide to Structural, Morphological and Physiological Botany Robert Bentley Sin vista previa disponible - 2016 |
Términos y frases comunes
absorption æstivation albumen anther antheridia antherozoids apex appearance archegonia arranged axil bark base becomes bracts branches buds called calyx carbon dioxide carpels cavity cell-wall cells Fig cellular chalaza chlorophyl coat color commonly compound consists contain corolla cotyledons cyme dehiscence described developed Dicotyledonous dissepiments elongated embryo embryo-sac epidermis external fertilization fibro-vascular bundles filaments fleshy floral flower-buds flowers fluid frequently fruit glands granules green grow growth hairs hence hilum inclosed indehiscent inflorescence inner kind layer leaf leaves less lobes matters medullary membrane micropyle Monocotyledonous nature nucleus occur organs outer ovary ovule oxygen parenchyma pericarp petals petiole pistil pith pitted placenta plants pollen pollen-cells portion primary axis produced protoplasm radicle reproductive roots seeds sepals species spiral vessels sporangium spores stalk stamens starch stem stigma stomata structure style substance surface sutures takes place termed terminal thalamus Thallophytes thickened tion tissue transverse usually valves vary walls whorls wood wood-cells
Pasajes populares
Página ii - Society, etc.; and JB HOLDER, MD, Curator of Zoology of American Museum of Natural History, Central Park, New York. 12mo, 385 pages. A COMPEND OF GEOLOGY. By JOSEPH LE CONTE, Professor of Geology and Natural History in the University of California; author of "Elements of Geology,
Página 223 - ... 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.
Página vi - Descriptive Botany," by Eliza A. Youmans. Designed to give an elementary account of Structural and Physiological Botany, or of the inner and minute mechanism and activities of plants. It treats of what the parts of a plant are built up, and what functions they perform In its history as a living being.