An Introduction to Botany |
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Page iii
... AZ 2157 With Six Copper - Plates and numerous Mood - Engravings . LONDON : PRINTED FOR LONGMAN , REES , ORME , BROWN , GREEN , & LONGMAN , PATERNOSTER - ROW . 446169 . PREFACE . Two hundred and ninety years have 1832 .
... AZ 2157 With Six Copper - Plates and numerous Mood - Engravings . LONDON : PRINTED FOR LONGMAN , REES , ORME , BROWN , GREEN , & LONGMAN , PATERNOSTER - ROW . 446169 . PREFACE . Two hundred and ninety years have 1832 .
Page vi
... green and fertile island ; and which enables the man of science , by the power it gives him of judging how far the productions of one climate are susceptible of cultivation in another , to guide the colonist in his enterprises , and to ...
... green and fertile island ; and which enables the man of science , by the power it gives him of judging how far the productions of one climate are susceptible of cultivation in another , to guide the colonist in his enterprises , and to ...
Page 2
... green colour , and a thickness which is considerable if compared with the diameter of the cavity it encloses . It generally tears readily , as if its component atoms do not cohere with greater force in one direction than another ; but I ...
... green colour , and a thickness which is considerable if compared with the diameter of the cavity it encloses . It generally tears readily , as if its component atoms do not cohere with greater force in one direction than another ; but I ...
Page 5
... green . The brilliant colours of vegetable matter , the white , blue , yellow , scarlet , and other hues of the corolla , and the green of the bark and leaves , is not owing to any difference in the colour of the. B 3 CHAP . I. 5 OF THE ...
... green . The brilliant colours of vegetable matter , the white , blue , yellow , scarlet , and other hues of the corolla , and the green of the bark and leaves , is not owing to any difference in the colour of the. B 3 CHAP . I. 5 OF 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.