An Introduction to Botany |
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Page v
... sometimes real , but more frequently imaginary , which experience , or error , or superstition , had ascribed to them . Little was known of Vegetable Physiology , nothing of Vege- table Anatomy , and even the art of arranging species ...
... sometimes real , but more frequently imaginary , which experience , or error , or superstition , had ascribed to them . Little was known of Vegetable Physiology , nothing of Vege- table Anatomy , and even the art of arranging species ...
Page 3
... sometimes capable of extension with the same rapidity as the membrane among which it lies , and to which it usually adheres ; but occasionally elongates less rapidly , when it is broken into minute portions , and carried along by the ...
... sometimes capable of extension with the same rapidity as the membrane among which it lies , and to which it usually adheres ; but occasionally elongates less rapidly , when it is broken into minute portions , and carried along by the ...
Page 5
... Sometimes they appear like luminous points ; by a little alteration of light they acquire a brownish tint ; and if seen with the highest powers of a compound microscope , where there is a great loss of light , they become perfectly ...
... Sometimes they appear like luminous points ; by a little alteration of light they acquire a brownish tint ; and if seen with the highest powers of a compound microscope , where there is a great loss of light , they become perfectly ...
Page 7
... the ordinary size is about the bo or they are sometimes not more than the of an inch in the 3 , and Too . Kieser has computed that in the garden pink more than 5,100 are B 4 CHAP . I. OF THE ELEMENTARY ORGANS . Corolla.
... the ordinary size is about the bo or they are sometimes not more than the of an inch in the 3 , and Too . Kieser has computed that in the garden pink more than 5,100 are B 4 CHAP . I. OF THE ELEMENTARY ORGANS . Corolla.
Page 9
... sometimes oblong with a sort of leg or projecting lobe towards one end ; and some- times irregularly triangular , with the sides pressed in and the angles truncated . They are well represented in the plates of M. Adolphe Brongniart's ...
... sometimes oblong with a sort of leg or projecting lobe towards one end ; and some- times irregularly triangular , with the sides pressed in and the angles truncated . They are well represented in the plates of M. Adolphe Brongniart's ...
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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.