An Introduction to BotanyLongman, 1832 - 557 sider |
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Side vii
... arrangement , or the great experience which a long and most successful career of public instruction has necessarily given him . I have begun with what is called ORGANOGRAPHY ( Book I. ) ; or an explanation of the A 4 PREFACE . vii.
... arrangement , or the great experience which a long and most successful career of public instruction has necessarily given him . I have begun with what is called ORGANOGRAPHY ( Book I. ) ; or an explanation of the A 4 PREFACE . vii.
Side viii
... arrangements de- pend upon characters arising out of their consider- ation ; and descriptive Botany can have no logical precision without the principles of Organography being first exactly settled . Great difference of opi- nion exists ...
... arrangements de- pend upon characters arising out of their consider- ation ; and descriptive Botany can have no logical precision without the principles of Organography being first exactly settled . Great difference of opi- nion exists ...
Side ix
... arrangement employed by botanists in their systematic works , but an explan- ation of the principles by which the limits of genera and species are determined . It also explains the mode of obtaining a correct view of vegetation , of con ...
... arrangement employed by botanists in their systematic works , but an explan- ation of the principles by which the limits of genera and species are determined . It also explains the mode of obtaining a correct view of vegetation , of con ...
Side xv
... Arrangements III . Natural System IV . Speculative Modes of Arrangement V. Value of Characters · VI . Species , Varieties , Genera , Orders , and Classes Page - 306 309 - 318 - 324 - 349 365 BOOK IV . GLOSSOLOGY ; OR , OF THE ADJECTIVE ...
... Arrangements III . Natural System IV . Speculative Modes of Arrangement V. Value of Characters · VI . Species , Varieties , Genera , Orders , and Classes Page - 306 309 - 318 - 324 - 349 365 BOOK IV . GLOSSOLOGY ; OR , OF THE ADJECTIVE ...
Side 9
... arranged that when viewed laterally it resembles the bricks in a wall ; whence its name . ( Plate I. fig . 7. ) 8. The compressed ; in the cuticle of all plants . The cellules are often so compressed as to appear to be only a single ...
... arranged that when viewed laterally it resembles the bricks in a wall ; whence its name . ( Plate I. fig . 7. ) 8. The compressed ; in the cuticle of all plants . The cellules are often so compressed as to appear to be only a single ...
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acid Adolphe Brongniart albumen anther apex appearance appendages arrangement axis bark base become body botanists bractea branches Brown buds called calyx Cand Candolle carpella cavity cells cellular tissue cellules centre chalaza characters Class colour common Compositæ compound considered consists corolla cotyledons cuticle dehiscence developed dicotyledons direction disk dissepiments distinct distinguished ducts earth elongated embryo exist extremely filament fleshy flowers fluid fructification fruit genera genus granules hairs hilum indehiscent inflorescence integuments kind latter leaf leaflets leaves Linnæus lobes margin medullary rays membrane Mirb Mirbel modifications monocotyledons nature observed organs ovarium ovula ovulum oxygen parenchyma peculiar pericarpium petals petiole pistillum pith placenta plants Plate plumula pollen produced racters radicle receptacle remarkable roots seed sepals separate side sometimes species spiral vessels sporules stamens stem stigma stomata structure substance surface term terminating testa tree tube valves vascular vegetation veins wood woody fibre
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Side 6 - Thysanotus fasciçularii, the flowers of which are of a deep brilliant violet, with a remarkably satiny lustre, that appearance will be found to arise from each particular cell containing a single drop of...
Side 217 - ... in its substance, and of evaporating pores on its surface, enables the crude fluid sent from the roots to be elaborated and digested until it becomes the peculiar secretion of the species; the contraction of a branch and its leaves forms a flower ; the disintegration of the internal tissue of a petal forms an anther; the folding inwards of a leaf is sufficient to constitute a...
Side 525 - ... verging to green. Again, the ranunculus, which is originally of an intense yellow, sports into scarlet, red, purple, and almost any colour but blue. White flowers, which have a tendency to produce red, will never sport to blue, although they will to yellow ; the rose, for example, and chrysanthemums. It is also probable that white flowers with a tendency to produce blue, will not vary to yellow.