An Introduction to Botany |
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Page vii
... less important purpose has been to demon- strate , by a series of well - connected proofs , that in no department of natural history are the simplicity and harmony that pervade the universe more strikingly manifest than in the vegetable ...
... less important purpose has been to demon- strate , by a series of well - connected proofs , that in no department of natural history are the simplicity and harmony that pervade the universe more strikingly manifest than in the vegetable ...
Page 3
... less rapidly , when it is broken into minute portions , and carried along by the growing membrane . In direction it is variable ( Plates I. and II . ) ; sometimes it is straight , and attains a considerable length , as in some fungi ...
... less rapidly , when it is broken into minute portions , and carried along by the growing membrane . In direction it is variable ( Plates I. and II . ) ; sometimes it is straight , and attains a considerable length , as in some fungi ...
Page 5
... less frequently pierced with transverse slits , which are occasionally so numerous as to transform the cellules into a real articulated tissue , as in the pith of the Nelumbium ( fig . 3. ) . " This statement is now so well known to ...
... less frequently pierced with transverse slits , which are occasionally so numerous as to transform the cellules into a real articulated tissue , as in the pith of the Nelumbium ( fig . 3. ) . " This statement is now so well known to ...
Page 6
... less regular figure , found principally in young plants and in coty- ledons , and soluble in boiling water : it is these that constitute starch or fæcula . 2. Globules of a small size , a more irre- gular figure , and coloured either ...
... less regular figure , found principally in young plants and in coty- ledons , and soluble in boiling water : it is these that constitute starch or fæcula . 2. Globules of a small size , a more irre- gular figure , and coloured either ...
Page 7
... less than the diameter , and I suspect they are nearer the fairly estimated to have consisted , when full grown , of about 47,000,000,000 cellules ; so that , supposing it to have grown in the course of twelve hours , its cellules must ...
... less than the diameter , and I suspect they are nearer the fairly estimated to have consisted , when full grown , of about 47,000,000,000 cellules ; so that , supposing it to have grown in the course of twelve hours , its cellules must ...
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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.