An Introduction to Botany |
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Page xii
... author is the business of the history of science , but does not belong to a work which professes merely to give an account of the science as it is ; all that is generally acknowledged must pass current from author to author . " * London ...
... author is the business of the history of science , but does not belong to a work which professes merely to give an account of the science as it is ; all that is generally acknowledged must pass current from author to author . " * London ...
Page 7
... author , in the Mémoires du Muséum , vol . 18. p . 212. The mode in which cellular or any other tissue is really formed , is buried in mystery . It has been suspected by Mr. Valentine , and I be- lieve the same idea has also occurred to ...
... author , in the Mémoires du Muséum , vol . 18. p . 212. The mode in which cellular or any other tissue is really formed , is buried in mystery . It has been suspected by Mr. Valentine , and I be- lieve the same idea has also occurred to ...
Page 12
... author , the fibres themselves are generally tubular , and either perfectly round or somewhat compressed , or even three or four sided . He considers it proved , that they are hollow , by their appearance when compressed , by their ...
... author , the fibres themselves are generally tubular , and either perfectly round or somewhat compressed , or even three or four sided . He considers it proved , that they are hollow , by their appearance when compressed , by their ...
Page 22
... author informs us , that about a drachm and a half is yielded by every plantain , and that the fibres may be employed either in the manufacture of a sort of down , or may be spun into thread . In Coniferous plants they are few and very ...
... author informs us , that about a drachm and a half is yielded by every plantain , and that the fibres may be employed either in the manufacture of a sort of down , or may be spun into thread . In Coniferous plants they are few and very ...
Page 27
... author . To this class also are to be referred the turpentine vessels , and the milk vessels of Grew ; the réservoirs accidentels of M. De Candolle ; and also the réservoirs en cæcum of the latter , which latter are the clavate vessels ...
... author . To this class also are to be referred the turpentine vessels , and the milk vessels of Grew ; the réservoirs accidentels of M. De Candolle ; and also the réservoirs en cæcum of the latter , which latter are the clavate vessels ...
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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.