An Introduction to BotanyLongman, 1832 - 557 sider |
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Side 9
... testa of many seeds , as Casuarina : here the form of the cellules is so very irregular that they can be reduced to no certain form . 10. The sinuous ; in the cuticle , and also sometimes beneath it , as in the leaf of Lilium candidum ...
... testa of many seeds , as Casuarina : here the form of the cellules is so very irregular that they can be reduced to no certain form . 10. The sinuous ; in the cuticle , and also sometimes beneath it , as in the leaf of Lilium candidum ...
Side 10
... testa of various seeds . Mr. Griffiths has detected it abundantly in the aerial roots of Orchideous plants , observ- ations since confirmed by Mr. Brown ; and Dr. Purkinje has shown , by a series of excellent observations and drawings ...
... testa of various seeds . Mr. Griffiths has detected it abundantly in the aerial roots of Orchideous plants , observ- ations since confirmed by Mr. Brown ; and Dr. Purkinje has shown , by a series of excellent observations and drawings ...
Side 11
... testa of Maurandya Barclayana , Wightia gigantea , and the like . ( Plate I. fig . 11. ) 3. Fibres running straight along the sides of truncated cylindrical cells in the anthers of Calla æthiopica and many other plants . ( Plate I. fig ...
... testa of Maurandya Barclayana , Wightia gigantea , and the like . ( Plate I. fig . 11. ) 3. Fibres running straight along the sides of truncated cylindrical cells in the anthers of Calla æthiopica and many other plants . ( Plate I. fig ...
Side 22
... testa of the seed of Collomia , and Mr. Brown has described them as existing abundantly in that of Casuarina . In the former case , the tissue was rather the fibro - cellular , as has been already explained ( p . 11. ) ; in the latter ...
... testa of the seed of Collomia , and Mr. Brown has described them as existing abundantly in that of Casuarina . In the former case , the tissue was rather the fibro - cellular , as has been already explained ( p . 11. ) ; in the latter ...
Side 43
... testa of the seed ; in the latter case they are called spongiola seminales by De Candolle . They are round , oblong , or reniform , and occasionally cupu- late , when they receive the name of glandes à godet ( glan- dulæ urceolares ) ...
... testa of the seed ; in the latter case they are called spongiola seminales by De Candolle . They are round , oblong , or reniform , and occasionally cupu- late , when they receive the name of glandes à godet ( glan- dulæ urceolares ) ...
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Almindelige termer og sætninger
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
Populære passager
Side 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...
Side 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...
Side 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.