An Introduction to BotanyLongman, Orme, Brown, Green, and Longmans, 1839 - 594 páginas |
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Página 2
... applied to the cuticle of the leaves of some plants , and only separable after mace- ration ; it is probable that it constitutes the whole exterior surface of all plants , and that it is even drawn over the sacs which constitute hairs ...
... applied to the cuticle of the leaves of some plants , and only separable after mace- ration ; it is probable that it constitutes the whole exterior surface of all plants , and that it is even drawn over the sacs which constitute hairs ...
Página 23
... applied to another fibre , or ruptured by the presence of an adjoining tube , as we sometimes find the conical extremity of another tube inserted into the aperture . " Many vegetable anatomists consider it a mere form of cel- lular ...
... applied to another fibre , or ruptured by the presence of an adjoining tube , as we sometimes find the conical extremity of another tube inserted into the aperture . " Many vegetable anatomists consider it a mere form of cel- lular ...
Página 29
... applied to it . ( Plate II . fig . 10. ) This I think conclusive as to the roundness of the fibre ; but it does not determine the question of its being tubular or solid . Bischoff , who has in- vestigated the nature of spiral vessels ...
... applied to it . ( Plate II . fig . 10. ) This I think conclusive as to the roundness of the fibre ; but it does not determine the question of its being tubular or solid . Bischoff , who has in- vestigated the nature of spiral vessels ...
Página 63
... applied to a surface covered with the rudiments of leaves . Scurfs are the poils en écusson ( pili scutati ) of De Candolle . Ramenta ( Vaginella ) are thin , brown , foliaceous scales , appearing sometimes in great abundance upon young ...
... applied to a surface covered with the rudiments of leaves . Scurfs are the poils en écusson ( pili scutati ) of De Candolle . Ramenta ( Vaginella ) are thin , brown , foliaceous scales , appearing sometimes in great abundance upon young ...
Página 64
... applied to them ( Dec. Theor . Elém . ed . 2 . 376. Link , Elém . 240. ) ; but that word was employed by Linnæus to designate any stiff bristle - like process , as the spines of the Cactus , the divaricating hairs of Malpighia , and the ...
... applied to them ( Dec. Theor . Elém . ed . 2 . 376. Link , Elém . 240. ) ; but that word was employed by Linnæus to designate any stiff bristle - like process , as the spines of the Cactus , the divaricating hairs of Malpighia , and the ...
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Palavras e frases frequentes
Adolphe Brongniart anther apex appears arranged axis bark base become bladders body botanists bracts branches brown buds bundles called calyx Candolle carbonic acid carpels cavity cells cellular tissue centre chalaza colour colourless common considered consists corolla cotyledons dehiscence developement dicotyledons direction disk dissepiments distinct Dutrochet elongated embryo Endogens epidermis exist Exogens external extremity fibres fleshy flowers fluid fruit glands grains granules green growing hairs hilum indehiscent inflorescence integument kind layers leaf leaflets leaves Linnæus lobes margin matter medullary rays membrane midrib Mirb Mirbel modifications Mohl monocotyledons nature nucleus observations organs ovary ovule oxygen parenchyma peculiar pericarp petals petiole pistil pith placenta plants Plate pollen produced quantity radicle receptacle remarkable roots round seeds separate side sometimes species spiral vessels sporangium stamens stem stigma stomates structure substance surface term terminating tion tree tubes valves vascular vegetable veins wood woody tissue yellow
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