An Introduction to BotanyLongman, Orme, Brown, Green, and Longmans, 1839 - 594 páginas |
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Página vi
... characters arising out of their consider- ation ; and descriptive Botany can have no logical precision until the principles of Organography are exactly settled . A difference of opinion exists among the most distinguished botanists ...
... characters arising out of their consider- ation ; and descriptive Botany can have no logical precision until the principles of Organography are exactly settled . A difference of opinion exists among the most distinguished botanists ...
Página x
... Characters Essential Characters - 508 - 508 Nitrous Acid Gas 386 CHAP . II . Descriptions - 514 Ammonia Sulphuretted Hydrogen Cyanogen - 386 CHAP . III . Punctuation - 526 387 CHAP . IV . Nomenclature - 528 387 Terminology · 532 ...
... Characters Essential Characters - 508 - 508 Nitrous Acid Gas 386 CHAP . II . Descriptions - 514 Ammonia Sulphuretted Hydrogen Cyanogen - 386 CHAP . III . Punctuation - 526 387 CHAP . IV . Nomenclature - 528 387 Terminology · 532 ...
Página 23
... character . The distinction between cellular and woody tissue is particularly well seen in the long club - shaped aërial radicle of Rhizophora Candelaria . It there consists of large , very long , transparent tubes , lying imbedded in ...
... character . The distinction between cellular and woody tissue is particularly well seen in the long club - shaped aërial radicle of Rhizophora Candelaria . It there consists of large , very long , transparent tubes , lying imbedded in ...
Página 36
... characters that cinenchyma is quite different from every other form of tissue . Its constant , irregular branching and anastomosing would alone distin- guish it . As such vessels lie in no definite direction with respect to the rest of ...
... characters that cinenchyma is quite different from every other form of tissue . Its constant , irregular branching and anastomosing would alone distin- guish it . As such vessels lie in no definite direction with respect to the rest of ...
Página 48
... part exposed to the air , except the stigma and the spongelets of the roots . It is , however , as constantly absent from the surface of parts which live under water . Its usual character is that of 48 BOOK I. ORGANOGRAPHY ,
... part exposed to the air , except the stigma and the spongelets of the roots . It is , however , as constantly absent from the surface of parts which live under water . Its usual character is that of 48 BOOK I. ORGANOGRAPHY ,
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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