An Introduction to Botany |
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Page 8
... kind that exists . This sort of tissue is to be considered the basis of vegetable structure , and the only form indispen- sible to a plant . Many plants consist of nothing else ; and while numberless vegetables are destitute of all ...
... kind that exists . This sort of tissue is to be considered the basis of vegetable structure , and the only form indispen- sible to a plant . Many plants consist of nothing else ; and while numberless vegetables are destitute of all ...
Page 10
... kind of tissue had subsequently oc- curred , when the admirable investigation of a modern anato- mist suddenly threw an entirely new light upon the subject . Instead of being very rare , cellular tissue of this kind appears to be found ...
... kind of tissue had subsequently oc- curred , when the admirable investigation of a modern anato- mist suddenly threw an entirely new light upon the subject . Instead of being very rare , cellular tissue of this kind appears to be found ...
Page 15
... kind of tissue might be called granular woody fibre : it ap- proaches very nearly to the character of ducts , into which , in Zamia , it seems to pass by almost insensible transitions . It may , however , be known from dotted ducts ...
... kind of tissue might be called granular woody fibre : it ap- proaches very nearly to the character of ducts , into which , in Zamia , it seems to pass by almost insensible transitions . It may , however , be known from dotted ducts ...
Page 17
... kind of tissue , upon the exact nature of which anatomists are , however , much divided in opinion ; some be- lieving that the fibre coheres independently of any membrane , others doubting or denying the mode in which the vessels ter ...
... kind of tissue , upon the exact nature of which anatomists are , however , much divided in opinion ; some be- lieving that the fibre coheres independently of any membrane , others doubting or denying the mode in which the vessels ter ...
Page 18
... kind of gutter formed by a strap having its edges turned a little inwards . Finally , the mode in which they terminate , although formerly stated by Mirbel to be continuous with the cellular tissue , is so little known , that the ...
... kind of gutter formed by a strap having its edges turned a little inwards . Finally , the mode in which they terminate , although formerly stated by Mirbel to be continuous with the cellular tissue , is so little known , that 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.