An Introduction to Botany |
From inside the book
Results 1-5 of 60
Page 24
... perfect , in not accounting for the nature of the transverse transparent lines that mark the sides of dotted ducts . Besides , the dotted ducts always terminate abruptly , not in acute cones , as has been seen by myself , and well ...
... perfect , in not accounting for the nature of the transverse transparent lines that mark the sides of dotted ducts . Besides , the dotted ducts always terminate abruptly , not in acute cones , as has been seen by myself , and well ...
Page 27
... perfect regularity and symmetry . The tissue of this lining is generally much smaller than that of the neighbouring parts . In figure the receptacles are extremely variable , most commonly round , as in the leaves of the Orange and of ...
... perfect regularity and symmetry . The tissue of this lining is generally much smaller than that of the neighbouring parts . In figure the receptacles are extremely variable , most commonly round , as in the leaves of the Orange and of ...
Page 51
... perfect leaves , that occurs in such plants as Virburnum prunifolium , Magnolia acuminata , Liriodendron tulipifera , and Æsculus Pavia ; in the latter the transition is , perhaps , most satisfac- torily manifested . In this plant the ...
... perfect leaves , that occurs in such plants as Virburnum prunifolium , Magnolia acuminata , Liriodendron tulipifera , and Æsculus Pavia ; in the latter the transition is , perhaps , most satisfac- torily manifested . In this plant the ...
Page 62
... perfect , that even when the outermost coating is still entire , it is scarcely practicable to count the zones ; and as soon as the outside begins to split or peel off , all traces of their full number necessarily disappear . That the ...
... perfect , that even when the outermost coating is still entire , it is scarcely practicable to count the zones ; and as soon as the outside begins to split or peel off , all traces of their full number necessarily disappear . That the ...
Page 63
... perfect kind continues to be maintained . When the vascular system is first insinuated into the cellular system , dividing the pith and bark , it does not completely separate them , but pushes aside a quantity of cellular tissue ...
... perfect kind continues to be maintained . When the vascular system is first insinuated into the cellular system , dividing the pith and bark , it does not completely separate them , but pushes aside a quantity of cellular tissue ...
Other editions - View all
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.