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 1
... distinct plant , they are joined end to end , and form a many - celled filament , which is straight or curved in various ways , as in Oscillatoria ( Fig . 2 ) . All these plants - so far , at least , as is known- multiply by division of ...
... distinct plant , they are joined end to end , and form a many - celled filament , which is straight or curved in various ways , as in Oscillatoria ( Fig . 2 ) . All these plants - so far , at least , as is known- multiply by division of ...
Página 4
... distinct central axis , the lower part of which is called the radicle and the upper the plumule . Fleshy lobes , two or one , are united to this axis , and by their number divide Phane- rogamous plants into two great classes called ...
... distinct central axis , the lower part of which is called the radicle and the upper the plumule . Fleshy lobes , two or one , are united to this axis , and by their number divide Phane- rogamous plants into two great classes called ...
Página 5
... distinct parts can be observed in the cell ( Fig . 8 ) : 1 , the cell - wall , a ; a b FIG . 8. - A cell from the root of the Liz- ard Orchis ( Orchis hircina ) . a . The cell - wall . b . The protoplasm tracted by alcohol . c . The ...
... distinct parts can be observed in the cell ( Fig . 8 ) : 1 , the cell - wall , a ; a b FIG . 8. - A cell from the root of the Liz- ard Orchis ( Orchis hircina ) . a . The cell - wall . b . The protoplasm tracted by alcohol . c . The ...
Página 8
... distinct from the protoplasm does not occur , but is diffused generally through it and the cell - wall , and it is only as the cell enlarges that it first appears in the form of drops ( vacuoles ) in the protoplasm ( Fig . 9 , s ' , s ...
... distinct from the protoplasm does not occur , but is diffused generally through it and the cell - wall , and it is only as the cell enlarges that it first appears in the form of drops ( vacuoles ) in the protoplasm ( Fig . 9 , s ' , s ...
Página 10
... distinct from one another as is usually the case ( Fig . 10 ) , or more or less combined together so as to form compound granules . In form the separate granules are always spherical or nearly so in their earliest condition . In some ...
... distinct from one another as is usually the case ( Fig . 10 ) , or more or less combined together so as to form compound granules . In form the separate granules are always spherical or nearly so in their earliest condition . In some ...
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.