An Introduction to BotanyLongman, Orme, Brown, Green, and Longmans, 1839 - 594 páginas |
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Página x
... Surface 471 of Texture or Substance 471 366 of Size 366 of Duration Water 367 of Colour Nitrogen 368 Power of Solution 369 Exhaustion of Soil 370 Manures - 371 CHAP . XII . Digestion 372 Decomposition of Carbonic Acid - 373 Fungi ...
... Surface 471 of Texture or Substance 471 366 of Size 366 of Duration Water 367 of Colour Nitrogen 368 Power of Solution 369 Exhaustion of Soil 370 Manures - 371 CHAP . XII . Digestion 372 Decomposition of Carbonic Acid - 373 Fungi ...
Página 2
... surface of all plants , and that it is even drawn over the sacs which constitute hairs ; I have found it distinctly on the petals of Hydrotænia meleagris ( see Bot . Reg . 1838. misc . No. 128. ) , but its extreme tenuity and firm ...
... surface of all plants , and that it is even drawn over the sacs which constitute hairs ; I have found it distinctly on the petals of Hydrotænia meleagris ( see Bot . Reg . 1838. misc . No. 128. ) , but its extreme tenuity and firm ...
Página 4
... surface into a number of minute rhomboidal spaces . Mohl , however , who has made this observation , does not therefore consider with Grew that the membrane is woven together of fibres , but that their appearance is owing to a small ...
... surface into a number of minute rhomboidal spaces . Mohl , however , who has made this observation , does not therefore consider with Grew that the membrane is woven together of fibres , but that their appearance is owing to a small ...
Página 11
... surface others endowed with the same property . The amylaceous vesicles of malt in a state of fermentation manifestly produce new vesicles from their sides externally ; and Turpin asserts that they also con- tain molecules , which are ...
... surface others endowed with the same property . The amylaceous vesicles of malt in a state of fermentation manifestly produce new vesicles from their sides externally ; and Turpin asserts that they also con- tain molecules , which are ...
Página 18
... surface into a spiral fibre of variable width , which either does or does not adhere to the sides of the cells , and which may be supposed to owe its spiral direction to the course taken by a current setting between the side of the cell ...
... surface into a spiral fibre of variable width , which either does or does not adhere to the sides of the cells , and which may be supposed to owe its spiral direction to the course taken by a current setting between the side of the cell ...
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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