An Introduction to BotanyLongman, Orme, Brown, Green, and Longmans, 1839 - 594 páginas |
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Página 26
... surrounded with an irregular elevated rim , as at Plate II . fig . 7. and 8. , as if the lining of the tube was growing over them . It is not at all uncommon to find them in what may be supposed a nascent state , merely looking like ...
... surrounded with an irregular elevated rim , as at Plate II . fig . 7. and 8. , as if the lining of the tube was growing over them . It is not at all uncommon to find them in what may be supposed a nascent state , merely looking like ...
Página 28
... surrounding parts , is scarcely sufficient to settle that point . The best mode of examination is to separate a vessel entire from the rest of the tissue , which may be done by boiling the subject , and then tearing it in pieces with ...
... surrounding parts , is scarcely sufficient to settle that point . The best mode of examination is to separate a vessel entire from the rest of the tissue , which may be done by boiling the subject , and then tearing it in pieces with ...
Página 31
... is in that part of the axis of the stem surrounding the pith , and called the medullary sheath , and also in every part the tissue of which originates from it ; such as the veins of leaves , and CHAP . I. 31 VASCULAR TISSUE .
... is in that part of the axis of the stem surrounding the pith , and called the medullary sheath , and also in every part the tissue of which originates from it ; such as the veins of leaves , and CHAP . I. 31 VASCULAR TISSUE .
Página 36
... surrounding tissue . It is , however , easy to find them in the liber of the Fig , in the roots of Dandelion , Scorzonera , Lettuce , and other milky Cichoraceæ , or in any of the parts of Chelidonium . They are placed in great ...
... surrounding tissue . It is , however , easy to find them in the liber of the Fig , in the roots of Dandelion , Scorzonera , Lettuce , and other milky Cichoraceæ , or in any of the parts of Chelidonium . They are placed in great ...
Página 39
... surrounded by cellular tissue , that a lining or wall is formed , of perfect regularity and symmetry . The tissue of ... surrounding parts , they give a semitransparent dotted appearance to the organs in which they occur , as may be seen ...
... surrounded by cellular tissue , that a lining or wall is formed , of perfect regularity and symmetry . The tissue of ... surrounding parts , they give a semitransparent dotted appearance to the organs in which they occur , as may be seen ...
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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 colour common considered consists containing corolla cotyledons cyclosis developement dicotyledons direction disk distinct Dutrochet elongated embryo epidermis exist external 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 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 sometimes species specimens spiral vessels stamens stem stigma stomates structure substance surface term terminating tion tree tubes vascular vegetable veins wood woody tissue yellow
Passagens conhecidas
Página 593 - Dr. Ure's Dictionary of Arts, Manufactures, and Mines : Containing a clear Exposition of their Principles and Practice.