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 2
... bodies ( spores ) are escaping . FIG . 4. - An- other Mold ( Penicillium glaucum ) , with branched mycelium ( hyphal tissue ) , and stalk bearing several rows of cells , which are the germinating spores ( conidia ) . ' or less alike ...
... bodies ( spores ) are escaping . FIG . 4. - An- other Mold ( Penicillium glaucum ) , with branched mycelium ( hyphal tissue ) , and stalk bearing several rows of cells , which are the germinating spores ( conidia ) . ' or less alike ...
Página 5
... bodies variously modified and combined together . The cell is therefore . the only elementary organ possessed by a plant ; and hence necessarily requires our first and particular attention . I. Nature of the Cell and its Con- tents . In ...
... bodies variously modified and combined together . The cell is therefore . the only elementary organ possessed by a plant ; and hence necessarily requires our first and particular attention . I. Nature of the Cell and its Con- tents . In ...
Página 8
... bodies , called nucleoli . It is always situated in , and more or less inclosed by , the protoplasm , as we have already seen , and never lie s loose in the cell cavity . It is the more vi- tally active part of the protoplasm in which ...
... bodies , called nucleoli . It is always situated in , and more or less inclosed by , the protoplasm , as we have already seen , and never lie s loose in the cell cavity . It is the more vi- tally active part of the protoplasm in which ...
Página 9
... bodies and chlorophyl corpuscles ; hence these structures are granules of protoplasm colored green by chlorophyl . If a plant is grown in the dark these gran- ules remain pale colored ; but if it be exposed to sunlight they speedily ...
... bodies and chlorophyl corpuscles ; hence these structures are granules of protoplasm colored green by chlorophyl . If a plant is grown in the dark these gran- ules remain pale colored ; but if it be exposed to sunlight they speedily ...
Página 14
... bodies , which are composed of double phosphate of cal- cium and magnesium , termed globoids ( Fig . 20 ) . The aleurone grains and crystalloids are evidently reservoirs of protein , to be used when growth becomes active in the process ...
... bodies , which are composed of double phosphate of cal- cium and magnesium , termed globoids ( Fig . 20 ) . The aleurone grains and crystalloids are evidently reservoirs of protein , to be used when growth becomes active in the process ...
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
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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.