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 15
... bundles , they are elon- gated , and have pointed extrem- ities ( Fig . 40 ) . These variations in the condition of the cells lead to corresponding differences in their arrangement ; thus , in the former case , the cells ( Fig . 16 ...
... bundles , they are elon- gated , and have pointed extrem- ities ( Fig . 40 ) . These variations in the condition of the cells lead to corresponding differences in their arrangement ; thus , in the former case , the cells ( Fig . 16 ...
Página 22
... inner bark is also commonly termed bast . Besides the common occurrence of this tissue in the liber , it also occurs as a constituent of the fibro - vascular bundles of PITTED VESSELS . 23 Monocotyledonous stems ; and of the.
... inner bark is also commonly termed bast . Besides the common occurrence of this tissue in the liber , it also occurs as a constituent of the fibro - vascular bundles of PITTED VESSELS . 23 Monocotyledonous stems ; and of the.
Página 24
... bundles of Monocotyledons , in some FIG . 47. FIG . 48. FIG . 49 . of the Cormophytes , in the petiole and veins of leaves , and modifications of leaves , as bracts , sepals , petals , etc. In size they vary from the st0 to 3000 of an ...
... bundles of Monocotyledons , in some FIG . 47. FIG . 48. FIG . 49 . of the Cormophytes , in the petiole and veins of leaves , and modifications of leaves , as bracts , sepals , petals , etc. In size they vary from the st0 to 3000 of an ...
Página 26
... bundles in all parts of the plant ; they may be readily distinguished from parenchyma both in their form and mode of elongation . Hence we speak of the tissue formed of these bundles under the name of Fibro - vascular Tissue , or the ...
... bundles in all parts of the plant ; they may be readily distinguished from parenchyma both in their form and mode of elongation . Hence we speak of the tissue formed of these bundles under the name of Fibro - vascular Tissue , or the ...
Página 36
... bundles which are distrib- uted vertically in the midst of the parenchymatous . The parenchymatous system is therefore also termed the hori- zontal system , while the fibro - vascular is likewise called the longitudinal system . The ...
... bundles which are distrib- uted vertically in the midst of the parenchymatous . The parenchymatous system is therefore also termed the hori- zontal system , while the fibro - vascular is likewise called the longitudinal system . The ...
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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.