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 x
... External Features of Leaves . PAGE 53 • 53 • 57 · · 558 61 61 63 • 66 68 68 • 68 • 70 • 70 74 75 76 . 78 ( 4 ) Anomalous Forms of Leaves . ( 5 ) General View of the Leaves in the Three Classes of Plants CHAPTER IV . ORGANS OF ...
... External Features of Leaves . PAGE 53 • 53 • 57 · · 558 61 61 63 • 66 68 68 • 68 • 70 • 70 74 75 76 . 78 ( 4 ) Anomalous Forms of Leaves . ( 5 ) General View of the Leaves in the Three Classes of Plants CHAPTER IV . ORGANS OF ...
Página 3
... or reproductive organs , are termed numerous small imbri- cated leaves . Phanerogamous , Phænogamous , or Flow- 4 PHÆNOGAMOUS OR FLOWERING PLANTS . ering . These latter Marsileaceæ or Pepperworts Vessels (3) The External Features of Leaves.
... or reproductive organs , are termed numerous small imbri- cated leaves . Phanerogamous , Phænogamous , or Flow- 4 PHÆNOGAMOUS OR FLOWERING PLANTS . ering . These latter Marsileaceæ or Pepperworts Vessels (3) The External Features of Leaves.
Página 20
... external parts of plants ( Fig . 39 , e ) . A variety of this kind of parenchyma is called muriform , because the cells of which it is com- posed resemble in their form and arrangement the courses of bricks in a wall ( Fig . 26 ) ; this ...
... external parts of plants ( Fig . 39 , e ) . A variety of this kind of parenchyma is called muriform , because the cells of which it is com- posed resemble in their form and arrangement the courses of bricks in a wall ( Fig . 26 ) ; this ...
Página 28
... external air ( Figs . 60 and 61 ) . These orifices are surrounded by cells with thinner walls and of a different form from those of the epidermis ; they also usually contain some chlorophyl grains . There are gener- aily but two cells ...
... external air ( Figs . 60 and 61 ) . These orifices are surrounded by cells with thinner walls and of a different form from those of the epidermis ; they also usually contain some chlorophyl grains . There are gener- aily but two cells ...
Página 31
... External Glands may be di- Ivided into stalked and sessile . The stalked glands are either formed of a single cell , dilated FIG . 74 . FIG . 75 . FIG . 76 . FIG . 79 . T FIG . 77 . O B FIG . 80 . FIG . 81 . FIG . 78 . FIG . 74. Stalked ...
... External Glands may be di- Ivided into stalked and sessile . The stalked glands are either formed of a single cell , dilated FIG . 74 . FIG . 75 . FIG . 76 . FIG . 79 . T FIG . 77 . O B FIG . 80 . FIG . 81 . FIG . 78 . FIG . 74. Stalked ...
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.