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
... seen to arise , each of which is terminated by a sac ( sporangium or ascus ) , from which a number of minute bodies ( spores ) are escaping . FIG . 4. - An- other Mold ( Penicillium glaucum ) , with branched mycelium ( hyphal tissue ) ...
... seen to arise , each of which is terminated by a sac ( sporangium or ascus ) , from which a number of minute bodies ( spores ) are escaping . FIG . 4. - An- other Mold ( Penicillium glaucum ) , with branched mycelium ( hyphal tissue ) ...
Página 6
... seen that in a few cases the cell consists of nucleated protoplasm alone - or that , in other words , it has no cell- wall . As a general rule , however , this condition of things CELL - WALL - PROTOPLASM . 7 very shortly disappears.
... seen that in a few cases the cell consists of nucleated protoplasm alone - or that , in other words , it has no cell- wall . As a general rule , however , this condition of things CELL - WALL - PROTOPLASM . 7 very shortly disappears.
Página 7
... seen in pitted and other kinds of cells ( see page 17 ) . Those cells which are isolated , or on the surface of the plant , have the various markings on their outer or free surface , while those that are united to form tissues have them ...
... seen in pitted and other kinds of cells ( see page 17 ) . Those cells which are isolated , or on the surface of the plant , have the various markings on their outer or free surface , while those that are united to form tissues have them ...
Página 8
... seen , and never lie s loose in the cell cavity . It is the more vi- tally active part of the protoplasm in which it is contained . 4. The Cell - Sap is the watery fluid which is found in the interior of the cell ; it contains dissolved ...
... seen , and never lie s loose in the cell cavity . It is the more vi- tally active part of the protoplasm in which it is contained . 4. The Cell - Sap is the watery fluid which is found in the interior of the cell ; it contains dissolved ...
Página 13
... seen in Fig . 19 . · Crystalloids , Aleurone Grains , and Globoids.- FIG . 20. - Cell of the endosperm or albumen of the seed of the Castor - oil plant ( Ricinus com- munis ) in dilute glycerine , showing large transparent pro- teid or ...
... seen in Fig . 19 . · Crystalloids , Aleurone Grains , and Globoids.- FIG . 20. - Cell of the endosperm or albumen of the seed of the Castor - oil plant ( Ricinus com- munis ) in dilute glycerine , showing large transparent pro- teid or ...
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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
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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.