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 25
... position with regard to the other tissues ( Fig . 52 ) , and anastomosing or uniting freely with one another like the veins of animals , from which peculiarity they may be at once distinguished from the other vessels of plants . A ...
... position with regard to the other tissues ( Fig . 52 ) , and anastomosing or uniting freely with one another like the veins of animals , from which peculiarity they may be at once distinguished from the other vessels of plants . A ...
Página 29
... position in different plants , and in different parts of the same plant , but they are always the same in any particular part of a plant . The far more common form is the oval ( Figs . 53 , s , s , and 54 , a , a ) ; but in some ...
... position in different plants , and in different parts of the same plant , but they are always the same in any particular part of a plant . The far more common form is the oval ( Figs . 53 , s , s , and 54 , a , a ) ; but in some ...
Página 33
... position between the internal and external glands , are the true nectaries of flowers , which being strictly of a glandular nature will be most properly alluded to here under the name of nectar- iferous glands . They are well seen at ...
... position between the internal and external glands , are the true nectaries of flowers , which being strictly of a glandular nature will be most properly alluded to here under the name of nectar- iferous glands . They are well seen at ...
Página 60
... position , or , from their smaller size , bulbils or bulblets . They differ from ordinary buds in their fleshy nature , and by spontaneously separating placed side by from their parent , and producing new indi- FIG . 107. - Branch of a ...
... position , or , from their smaller size , bulbils or bulblets . They differ from ordinary buds in their fleshy nature , and by spontaneously separating placed side by from their parent , and producing new indi- FIG . 107. - Branch of a ...
Página 74
... position of the parts being here completely reversed . ( 2 ) Submersed Leaves . - The petiole when present in these leaves is solely formed of parenchymatous cells , which are , however , frequently elongated ; and the blades are ...
... position of the parts being here completely reversed . ( 2 ) Submersed Leaves . - The petiole when present in these leaves is solely formed of parenchymatous cells , which are , however , frequently elongated ; and the blades are ...
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.