An Introduction to Botany |
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Page ix
... arrangement employed by botanists in their systematic works , but an explan- ation of the principles by which the limits of genera and species are determined . It also explains the mode of obtaining a correct view of vegetation , of con ...
... arrangement employed by botanists in their systematic works , but an explan- ation of the principles by which the limits of genera and species are determined . It also explains the mode of obtaining a correct view of vegetation , of con ...
Page xv
... Arrangement V. Value of Characters · VI . Species , Varieties , Genera , Orders , and Classes Page - 306 309 - 318 - 324 - 349 365 BOOK IV . GLOSSOLOGY ; OR , OF THE ADJECTIVE TERMS USED IN BOTANY CLASS I. Of Individual Terms 1. Of ...
... Arrangement V. Value of Characters · VI . Species , Varieties , Genera , Orders , and Classes Page - 306 309 - 318 - 324 - 349 365 BOOK IV . GLOSSOLOGY ; OR , OF THE ADJECTIVE TERMS USED IN BOTANY CLASS I. Of Individual Terms 1. Of ...
Page 9
... arranged that when viewed laterally it resembles the bricks in a wall ; whence its name . ( Plate I. fig . 7. ) 8. The compressed ; in the cuticle of all plants . The cellules are often so compressed as to appear to be only a single ...
... arranged that when viewed laterally it resembles the bricks in a wall ; whence its name . ( Plate I. fig . 7. ) 8. The compressed ; in the cuticle of all plants . The cellules are often so compressed as to appear to be only a single ...
Page 15
... arranged in a spiral manner . 3. The third kind of woody fibre is the glandular . This has hitherto only been noticed in Coniferæ , in which it is uniformly found in every species . Its dimensions are more considerable than that of ...
... arranged in a spiral manner . 3. The third kind of woody fibre is the glandular . This has hitherto only been noticed in Coniferæ , in which it is uniformly found in every species . Its dimensions are more considerable than that of ...
Page 16
... arranged side by side , instead of being placed in single rows irregularly one above the other . ( Plate II . fig . 5. ) Woody fibre constitutes a considerable proportion of the ligneous part of all plants ; it is common in bark , and ...
... arranged side by side , instead of being placed in single rows irregularly one above the other . ( Plate II . fig . 5. ) Woody fibre constitutes a considerable proportion of the ligneous part of all plants ; it is common in bark , and ...
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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.