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
... termed a Thallophyte or Thallogen . Under the head of Thallophytes we comprise all those simpler forms of plants which are commonly known as Algæ , Lich- ens , and Fungi . Again , as all Thallophytes are com- posed of cells , they are ...
... termed a Thallophyte or Thallogen . Under the head of Thallophytes we comprise all those simpler forms of plants which are commonly known as Algæ , Lich- ens , and Fungi . Again , as all Thallophytes are com- posed of cells , they are ...
Página 3
... termed Cryptogamous , that is to say , plants with concealed or invisi- ble reproductive organs . These Cryp- togamous plants are again divided into two groups , called Cormophytes and Thallophytes ; the latter group com- prising the ...
... termed Cryptogamous , that is to say , plants with concealed or invisi- ble reproductive organs . These Cryp- togamous plants are again divided into two groups , called Cormophytes and Thallophytes ; the latter group com- prising the ...
Página 4
... termed Acotyle- dons . In germination the cotyledons afford nutrition to the developing plumule and radicle , from which the three essential organs of the plant - root , stem , and leaves — are evolved . These are the organs of ...
... termed Acotyle- dons . In germination the cotyledons afford nutrition to the developing plumule and radicle , from which the three essential organs of the plant - root , stem , and leaves — are evolved . These are the organs of ...
Página 5
... termed Vegetable Histology . All the lower kinds of plants are made up of one or more membranous closed sacs called cells ; and all other plants , however complicated in their appearance and struct- ure , are also made up of these ...
... termed Vegetable Histology . All the lower kinds of plants are made up of one or more membranous closed sacs called cells ; and all other plants , however complicated in their appearance and struct- ure , are also made up of these ...
Página 9
... termed , chlorophyl bodies and chlorophyl corpuscles ; hence these structures are granules of protoplasm colored green by chlorophyl . If a plant is grown in the dark these gran- ules remain pale colored ; but if it be exposed to ...
... termed , chlorophyl bodies and chlorophyl corpuscles ; hence these structures are granules of protoplasm colored green by chlorophyl . If a plant is grown in the dark these gran- ules remain pale colored ; but if it be exposed to ...
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
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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.