An Introduction to Botany |
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Page 13
... tree , it seemed to me to consist of a bundle of yet finer fibres ; and when I have detached one of those fibres , and submitted it to a more powerful magnifying power than the first , it has still * The distinction between cellular ...
... tree , it seemed to me to consist of a bundle of yet finer fibres ; and when I have detached one of those fibres , and submitted it to a more powerful magnifying power than the first , it has still * The distinction between cellular ...
Page 14
... trees of hot countries , as , for instance , the Brazilian coffee . It has been asserted by some writers , that the ... tree , at least . There are three distinct kinds of woody fibre : - 1. That in which the walls are not occupied with ...
... trees of hot countries , as , for instance , the Brazilian coffee . It has been asserted by some writers , that the ... tree , at least . There are three distinct kinds of woody fibre : - 1. That in which the walls are not occupied with ...
Page 21
... trees , especially in the winter , a beautiful sight may be observed , by tearing gently asunder a portion of a branch or stem still green , so as to separate the coils of the spires . The fibre will be found to have a peristaltic ...
... trees , especially in the winter , a beautiful sight may be observed , by tearing gently asunder a portion of a branch or stem still green , so as to separate the coils of the spires . The fibre will be found to have a peristaltic ...
Page 27
... tree producing it . Cavities of this nature are often called vasa propria ; they are the receptacula succi of Link ; the vaisseaux propres of Kieser and De Can- dolle ; and the réservoirs du suc propre of the last author . To this class ...
... tree producing it . Cavities of this nature are often called vasa propria ; they are the receptacula succi of Link ; the vaisseaux propres of Kieser and De Can- dolle ; and the réservoirs du suc propre of the last author . To this class ...
Page 36
... trees and shrubs , particularly evergreens , and more espe- cially in such as have coriaceous leaves , and acrid or aromatic juices . ( Rudolphi . ) They are not present upon roots , or the ribs of leaves . It also frequently happens ...
... trees and shrubs , particularly evergreens , and more espe- cially in such as have coriaceous leaves , and acrid or aromatic juices . ( Rudolphi . ) They are not present upon roots , or the ribs of leaves . It also frequently happens ...
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Common terms and phrases
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
Popular passages
Page 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...
Page 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...
Page 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.