An Introduction to Botany |
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Page vi
... former world . It is the science that converts the useless or noxious weed into the nutri- tious vegetable ; which changes a bare volcanic rock , like Ascension , into a green and fertile island ; and which enables the man of science ...
... former world . It is the science that converts the useless or noxious weed into the nutri- tious vegetable ; which changes a bare volcanic rock , like Ascension , into a green and fertile island ; and which enables the man of science ...
Page 2
... former only . The membrane varies in degree of transparency , being occasionally so exceedingly thin as to be scarcely discover- able , except by the little particles that stick to it , or by its refraction of light , and sometimes ...
... former only . The membrane varies in degree of transparency , being occasionally so exceedingly thin as to be scarcely discover- able , except by the little particles that stick to it , or by its refraction of light , and sometimes ...
Page 9
... former all tissue in which the cellules are applied by their plane faces ( Plate I. fig . 1. 3. 6 , 7 , & c . ) , and which consequently have truncated extremities ; and to the latter CHAP . I. 9 OF THE ELEMENTARY ORGANS . Of Cellular ...
... former all tissue in which the cellules are applied by their plane faces ( Plate I. fig . 1. 3. 6 , 7 , & c . ) , and which consequently have truncated extremities ; and to the latter CHAP . I. 9 OF THE ELEMENTARY ORGANS . Of Cellular ...
Page 14
... former are of very rare occurrence . ( Plate II . fig . 1. ) This is the finest and the commonest of all ; and is also the most genuine state of woody fibre . 2. That in which the walls have uniformly considerable numbers of granules of ...
... former are of very rare occurrence . ( Plate II . fig . 1. ) This is the finest and the commonest of all ; and is also the most genuine state of woody fibre . 2. That in which the walls have uniformly considerable numbers of granules of ...
Page 21
... former case it is called simple , in the latter compound . The simple is the most com- mon . ( Plate II . fig . 9. ) Kieser finds from two to nine fibres in the Banana ; M. de la Chesnaye as many as twenty - two in the same plant ...
... former case it is called simple , in the latter compound . The simple is the most com- mon . ( Plate II . fig . 9. ) Kieser finds from two to nine fibres in the Banana ; M. de la Chesnaye as many as twenty - two in the same plant ...
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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.