An Introduction to Botany |
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Page vii
... distinct line between what is certain and what is doubtful , -are some of the objects of this publication , which is intended for the use of those who , without being willing to occupy themselves with a detailed examination of the vast ...
... distinct line between what is certain and what is doubtful , -are some of the objects of this publication , which is intended for the use of those who , without being willing to occupy themselves with a detailed examination of the vast ...
Page 1
... distinct bodies . These bodies constitute what is called Vegetable Tissue , or Elementary Organs : they are the Simi- lary parts of Grew ; the Tissu organique of Mirbel ; and the Parties élémentaires , or Parties similaires , of De ...
... distinct bodies . These bodies constitute what is called Vegetable Tissue , or Elementary Organs : they are the Simi- lary parts of Grew ; the Tissu organique of Mirbel ; and the Parties élémentaires , or Parties similaires , of De ...
Page 2
... distinct rim to them ; but this idea , which probably originated in imperfect observation with ill - constructed glasses , is now generally abandoned . The supposed pores , with their rim , have been ascertained to be nothing but grains ...
... distinct rim to them ; but this idea , which probably originated in imperfect observation with ill - constructed glasses , is now generally abandoned . The supposed pores , with their rim , have been ascertained to be nothing but grains ...
Page 12
... distinct from its neigh- bour , and having its point hooked , so that the whole has some resemblance to the teeth of a currycomb , in the anthers of Campanula ; first noticed by Dr. Purkinje . ( Plate I. fig 18. ) 11. Fibres forming ...
... distinct from its neigh- bour , and having its point hooked , so that the whole has some resemblance to the teeth of a currycomb , in the anthers of Campanula ; first noticed by Dr. Purkinje . ( Plate I. fig 18. ) 11. Fibres forming ...
Page 14
... distinct kinds of woody fibre : - 1. That in which the walls are not occupied with either granules or glands sticking to them , or in which the former are of very rare occurrence . ( Plate II . fig . 1. ) This is the finest and the ...
... distinct kinds of woody fibre : - 1. That in which the walls are not occupied with either granules or glands sticking to them , or in which the former are of very rare occurrence . ( Plate II . fig . 1. ) This is the finest and the ...
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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.