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 10
... compound granules . In form the separate granules are always spherical or nearly so in their earliest condition . In some cases this form is nearly maintained in their mature state , as in FORM AND SIZE OF STARCH GRAINS . II - Wheat.
... compound granules . In form the separate granules are always spherical or nearly so in their earliest condition . In some cases this form is nearly maintained in their mature state , as in FORM AND SIZE OF STARCH GRAINS . II - Wheat.
Página 19
... compound structures formed , which are called Tissues ; the most important and the most abundant of them all is parenchyma , which must , therefore , be first alluded to . 1. Parenchyma . - This is composed of comparatively thin ...
... compound structures formed , which are called Tissues ; the most important and the most abundant of them all is parenchyma , which must , therefore , be first alluded to . 1. Parenchyma . - This is composed of comparatively thin ...
Página 30
... Compound hairs may be also undivided , as is more fre- quently the case ( Fig . 68 ) , or branched ( Fig . 67 ) . The component cells of compound hairs may be also variously arranged , and thus give a variety of forms to such hairs ...
... Compound hairs may be also undivided , as is more fre- quently the case ( Fig . 68 ) , or branched ( Fig . 67 ) . The component cells of compound hairs may be also variously arranged , and thus give a variety of forms to such hairs ...
Página 56
... compound body , formed of a series of individuals which mutually assist one another , and benefit the whole mass to which they belong . In Dicotyledonous trees , which form lateral or axillary buds , the destruction of a few branches is ...
... compound body , formed of a series of individuals which mutually assist one another , and benefit the whole mass to which they belong . In Dicotyledonous trees , which form lateral or axillary buds , the destruction of a few branches is ...
Página 68
... compound . Aërial roots are also very common in Acotyledons ; indeed , in Tree - ferns as in many Palms , these roots are so abundant at the base of the stem , that they sometimes double , triple , or still further increase its normal ...
... compound . Aërial roots are also very common in Acotyledons ; indeed , in Tree - ferns as in many Palms , these roots are so abundant at the base of the stem , that they sometimes double , triple , or still further increase its normal ...
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.