An Introduction to Botany |
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Page 12
... According to this gentleman , 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 gentleman , 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 ...
Page 19
... according to M. De Candolle , or rolled inwards according to Mirbel . But it is also the property of a trans- parent cylinder to exhibit this appearance when viewed by transmitted light , as any one may satisfy himself by examin- ing a ...
... according to M. De Candolle , or rolled inwards according to Mirbel . But it is also the property of a trans- parent cylinder to exhibit this appearance when viewed by transmitted light , as any one may satisfy himself by examin- ing a ...
Page 21
... according to Rudolphi , in Heracleum speciosum , renders it probable that future observations will show them to be not uncommon among Dicotyledons also . In Coniferæ the spiral vessels have in some cases their spires very remote , and ...
... according to Rudolphi , in Heracleum speciosum , renders it probable that future observations will show them to be not uncommon among Dicotyledons also . In Coniferæ the spiral vessels have in some cases their spires very remote , and ...
Page 22
... according to M. de la Chesnaye , as quoted by De Candolle , they are col- lected in handfuls in some islands of the West Indies for Amadou . The same author informs us , that about a drachm and a half is yielded by every plantain , and ...
... according to M. de la Chesnaye , as quoted by De Candolle , they are col- lected in handfuls in some islands of the West Indies for Amadou . The same author informs us , that about a drachm and a half is yielded by every plantain , and ...
Page 26
... according to the direction of the angles of the tissue by which they are formed . Their size varies according to the size of the tissue , and the quantity of sap . In plants of a dry character , they are frequently so small as to be ...
... according to the direction of the angles of the tissue by which they are formed . Their size varies according to the size of the tissue , and the quantity of sap . In plants of a dry character , they are frequently so small as to be ...
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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.