An Introduction to BotanyLongman, Orme, Brown, Green, and Longmans, 1839 - 594 páginas |
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Página 4
... fluid matter exposed to decomposition . Elementary membrane generally tears readily , as if its component atoms do ... fluids , it must necessarily be 4 BOOK I ORGANOGRAPHY .
... fluid matter exposed to decomposition . Elementary membrane generally tears readily , as if its component atoms do ... fluids , it must necessarily be 4 BOOK I ORGANOGRAPHY .
Página 5
John Lindley. - readily permeable by fluids , it must necessarily be furnished with invisible passages . An opinion to the contrary of this has been held by some botanists , who have described the existence of holes or pores in the ...
John Lindley. - readily permeable by fluids , it must necessarily be furnished with invisible passages . An opinion to the contrary of this has been held by some botanists , who have described the existence of holes or pores in the ...
Página 10
... fluids with rapidity , it is certain that they must abound in invisible pores , and that they are not impermeable , as if they were made of glass . An opinion different from this has been entertained by some observers , who have ...
... fluids with rapidity , it is certain that they must abound in invisible pores , and that they are not impermeable , as if they were made of glass . An opinion different from this has been entertained by some observers , who have ...
Página 11
... fluid , which gleams through the white shining membrane of the tissue , and produces the flickering lustre that is perceived . The cause of colour in plants will be spoken of hereafter in the second book . The manner in which cellular ...
... fluid , which gleams through the white shining membrane of the tissue , and produces the flickering lustre that is perceived . The cause of colour in plants will be spoken of hereafter in the second book . The manner in which cellular ...
Página 20
... fluid . If these young cells are isolated , we may , by shaking the field of the microscope , wash the mucous molecules almost clean ; but they cannot be long observed , because they dissolve in distilled water in a few minutes , and ...
... fluid . If these young cells are isolated , we may , by shaking the field of the microscope , wash the mucous molecules almost clean ; but they cannot be long observed , because they dissolve in distilled water in a few minutes , and ...
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Palavras e frases frequentes
Adolphe Brongniart anther apex appears arranged axis bark base become bladders body botanists bracts branches buds bundles called calyx Candolle carbonic acid carpels cause cavity cells cellular tissue centre character colour colourless common compound considered consists corolla cotyledons cyclosis cyme dehiscence developement direction disk dissepiments distinct Dutrochet elongated embryo Endogens epidermis exist Exogens external extremity fibres fleshy flowers fluid fruit glands grains granules green growing hairs inflorescence integument kind layers leaf leaflets leaves Linnæus lobes margin matter medullary rays membrane midrib Mirbel modifications Mohl monocotyledons nature nucleus observations organs ovary ovule oxygen parenchyma peculiar pericarp petals petiole pistil pith placenta plants Plate pollen pollen tube produced quantity radicle remarkable roots round seeds separate side sometimes species spiral vessels stamens stem stigma stomates structure substance surface term terminal tion tree tube valves vascular vegetable veins wood woody tissue yellow