An Introduction to Botany |
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Page xiii
... Stem or Ascending Axis : 1. Of its Parts 2. Of its External Modifications 3. Of its Internal Modifications 1. Of the Exogenous Structure 2. Of the Endogenous Structure 3. Of the Root or Descending Axis 4. Of the Appendages of the Axis 1 ...
... Stem or Ascending Axis : 1. Of its Parts 2. Of its External Modifications 3. Of its Internal Modifications 1. Of the Exogenous Structure 2. Of the Endogenous Structure 3. Of the Root or Descending Axis 4. Of the Appendages of the Axis 1 ...
Page 8
... stem of exogenous plants , the soft substance of the stem of endogenous plants , the delicate membranes of flowers and their appendages , and both the hard and soft parts of fruits and seeds . It appears that the spheroid is the figure ...
... stem of exogenous plants , the soft substance of the stem of endogenous plants , the delicate membranes of flowers and their appendages , and both the hard and soft parts of fruits and seeds . It appears that the spheroid is the figure ...
Page 21
... stem still green , so as to separate the coils of the spires . The fibre will be found to have a peristaltic motion which lasts for a considerable time . An appearance of the same nature has been described by Mr. Don in the bark of ...
... stem still green , so as to separate the coils of the spires . The fibre will be found to have a peristaltic motion which lasts for a considerable time . An appearance of the same nature has been described by Mr. Don in the bark of ...
Page 22
... stem of Monocotyledonous plants , spiral vessels occur in the bundles of woody tissue that lie among its cellular substance ; in the leaves of some plants of this de- scription they are found in such abundance , that , according to M ...
... stem of Monocotyledonous plants , spiral vessels occur in the bundles of woody tissue that lie among its cellular substance ; in the leaves of some plants of this de- scription they are found in such abundance , that , according to M ...
Page 25
... stems , as in the Cane , are also almost always caused by the section of a dotted duct . The stem of Arundo Donax , or of any large grass , is an excellent subject for seeking them in ; they can be readily extracted from it when boiled ...
... stems , as in the Cane , are also almost always caused by the section of a dotted duct . The stem of Arundo Donax , or of any large grass , is an excellent subject for seeking them in ; they can be readily extracted from it when boiled ...
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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.