An Introduction to BotanyLongman, 1839 - 594 páginas |
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Página v
... arrangement , or the great experience which a long and most successful career of public instruction has necessarily given him . I have begun with what is called ORGANOGRAPHY ( Book I. ) ; or an explanation of the exact structure of ...
... arrangement , or the great experience which a long and most successful career of public instruction has necessarily given him . I have begun with what is called ORGANOGRAPHY ( Book I. ) ; or an explanation of the exact structure of ...
Página ix
... Arrangement 114 Anatomy Veins Forms Petiole Trachenchyma . Phyllodia Spiral Vessels - 27 Tendril · 121 · 129 134 - . 138 140 - 140 Ducts 33 Pitchers SECT . V. Laticiferous Tissue , Spines or Cinenchyma SECT . VI . Spurious Elementary ...
... Arrangement 114 Anatomy Veins Forms Petiole Trachenchyma . Phyllodia Spiral Vessels - 27 Tendril · 121 · 129 134 - . 138 140 - 140 Ducts 33 Pitchers SECT . V. Laticiferous Tissue , Spines or Cinenchyma SECT . VI . Spurious Elementary ...
Página 4
... arrangement of the molecules at various points , perhaps a small difference in the thickness of the membrane , causes a different refraction of light , precisely in the same way as fibres are visible in badly melted glass . " Valentin ...
... arrangement of the molecules at various points , perhaps a small difference in the thickness of the membrane , causes a different refraction of light , precisely in the same way as fibres are visible in badly melted glass . " Valentin ...
Página 15
... arranged that when viewed laterally it resembles the bricks in a wall ; whence its name . ( Plate I. fig . 7. ) 8. The compressed ; in the cuticle of all plants . Here the bladders are often so compressed as to appear to be only a ...
... arranged that when viewed laterally it resembles the bricks in a wall ; whence its name . ( Plate I. fig . 7. ) 8. The compressed ; in the cuticle of all plants . Here the bladders are often so compressed as to appear to be only a ...
Página 27
... arranged more or less in a spiral direction . Such appears to me to be the most accurate mode of de- scribing this kind of tissue , upon the exact nature of which anatomists are , however , much divided in opinion ; some be- lieving ...
... arranged more or less in a spiral direction . Such appears to me to be the most accurate mode of de- scribing this kind of tissue , upon the exact nature of which anatomists are , however , much divided in opinion ; some be- lieving ...
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Palavras e frases frequentes
Adolphe Brongniart albumen anther apex appears axis bark base become body botanists Botany bracts branches buds bundles called calyx Cand Candolle carbonic acid carpels cause cavity cells cellular tissue centre chalaza character cloth colour common consists containing corolla cotyledons cyclosis developement dicotyledons direction disk Dutrochet Edition embryo epidermis exist extremity fibres filament fleshy flowers fluid foramen fruit glands grains green growing hairs hilum inches integument kind latex layers leaf leaflets leaves light Linnæus lobes Loudon margin matter medullary rays membrane Mirbel monocotyledons nature nitrogen nucleus observed organs ovarium ovary ovule oxygen parenchyma pericarp petals petiole pistil pith placenta plants Plate plumula pollen pollen tube produced quantity radicle Raphides remarked roots round seeds separate side species specimens spiral vessels stamens stem stigma stomates structure substance surface term terminating tion tree tubes vascular vegetable veins wood woody tissue yellow