An Introduction to BotanyLongman, Orme, Brown, Green, and Longmans, 1839 - 594 páginas |
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Página x
... Figure 445 - 446 - 337 of Outline · 455 345 of Apex 458 - 348 of Marginal Division 460 CHAP . IX . Fruit 351 of Incision 461 Changes during ripening 354 of Composition 463 Bletting 356 of Marking or Even- CHAP . X. Seeds 358 ness ...
... Figure 445 - 446 - 337 of Outline · 455 345 of Apex 458 - 348 of Marginal Division 460 CHAP . IX . Fruit 351 of Incision 461 Changes during ripening 354 of Composition 463 Bletting 356 of Marking or Even- CHAP . X. Seeds 358 ness ...
Página 1
... figures , and that each is closed up from those that surround it ; if the inquiry is carried still farther , it will be discovered that the partitions between the cavities are all double , and that by maceration in water , or by other ...
... figures , and that each is closed up from those that surround it ; if the inquiry is carried still farther , it will be discovered that the partitions between the cavities are all double , and that by maceration in water , or by other ...
Página 9
... figures , ad- hering together in masses . It is transparent , and in most cases colourless : when it appears otherwise , its colour is caused by matter contained within it . If a thin slice of the pith of elder , or of any other plant ...
... figures , ad- hering together in masses . It is transparent , and in most cases colourless : when it appears otherwise , its colour is caused by matter contained within it . If a thin slice of the pith of elder , or of any other plant ...
Página 13
... figure which should be considered normal or typical in this kind of tissue ; for that is the form in which bladders are always found when they are generated separately , without exercising any pressure upon each other ; as , for example ...
... figure which should be considered normal or typical in this kind of tissue ; for that is the form in which bladders are always found when they are generated separately , without exercising any pressure upon each other ; as , for example ...
Página 17
... figures , to which they give a sort of toothed appearance , as in the anther of Phlomis fruticosa and other Labiatæ . ( Plate I. fig . 15. ) The last three were first noticed by Purkinje . 8. The fibre twisted spirally , in the ...
... figures , to which they give a sort of toothed appearance , as in the anther of Phlomis fruticosa and other Labiatæ . ( Plate I. fig . 15. ) The last three were first noticed by Purkinje . 8. The fibre twisted spirally , in the ...
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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.