An Introduction to BotanyLongman, Orme, Brown, Green, and Longmans, 1839 - 594 páginas |
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Página 3
... according to Röper it is green in Viscum album ; Link says it is green in the leaves of Ruellia Sabiniana and the petiole of Cycas revoluta ; and Meyen mentions its being orange coloured in the petiole of many tropical Orchidacea . It ...
... according to Röper it is green in Viscum album ; Link says it is green in the leaves of Ruellia Sabiniana and the petiole of Cycas revoluta ; and Meyen mentions its being orange coloured in the petiole of many tropical Orchidacea . It ...
Página 8
... ( according to Morren of an amylaceous granule ) however different they may be from each other in station , function , or appearance . For , in the first place , we find them all deve- loped in bodies that originally consisted of nothing ...
... ( according to Morren of an amylaceous granule ) however different they may be from each other in station , function , or appearance . For , in the first place , we find them all deve- loped in bodies that originally consisted of nothing ...
Página 18
... According to the observations of Dr. Schleiden , the formation of fibre never takes place independently of membrane , but occurs in the interior of cells , whose membrane was originally quite simple . He regards Corda's statements to ...
... According to the observations of Dr. Schleiden , the formation of fibre never takes place independently of membrane , but occurs in the interior of cells , whose membrane was originally quite simple . He regards Corda's statements to ...
Página 19
... According to this botanist , such nuclei not only occasionally appear on the cuticle of some plants ( Plate III . fig . 9. ) , in the pubescence of Cypripedium and others , and in the internal tissue of the leaves , but also in the ...
... According to this botanist , such nuclei not only occasionally appear on the cuticle of some plants ( Plate III . fig . 9. ) , in the pubescence of Cypripedium and others , and in the internal tissue of the leaves , but also in the ...
Página 29
... according to De Candolle , or rolled inwards , according to Mirbel . But it is also the property of a transparent cylinder to exhibit this appearance when viewed by transmitted light , as any one may satisfy himself by examining a bit ...
... according to De Candolle , or rolled inwards , according to Mirbel . But it is also the property of a transparent cylinder to exhibit this appearance when viewed by transmitted light , as any one may satisfy himself by examining a bit ...
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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.