An Introduction to Botany |
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Page xiii
... Axis 4. Of the Appendages of the Axis 1. Leaf 2. Stipulæ 3. Bracteæ 22225 26 27 ib . 29 31 ib . 33 38 41 42 44 45 54 58 59 72 76 78 79 98 100 4. Flower 5. Inflorescence 6. Calyx 7. Corolla 8. Stamens.
... Axis 4. Of the Appendages of the Axis 1. Leaf 2. Stipulæ 3. Bracteæ 22225 26 27 ib . 29 31 ib . 33 38 41 42 44 45 54 58 59 72 76 78 79 98 100 4. Flower 5. Inflorescence 6. Calyx 7. Corolla 8. Stamens.
Page 21
... axis of the stem surrounding the pith , and called the medullary sheath , and also in every part the tissue of which originates from it ; such as the veins of leaves , and petals ; and of all other modifications of leaves . It has been ...
... axis of the stem surrounding the pith , and called the medullary sheath , and also in every part the tissue of which originates from it ; such as the veins of leaves , and petals ; and of all other modifications of leaves . It has been ...
Page 25
... axis across the tube , and the united ends of which cause the partitions discover- able upon a longitudinal section . It is these partitions that cause externally the appearance of transverse transparent lines . Dotted ducts are the ...
... axis across the tube , and the united ends of which cause the partitions discover- able upon a longitudinal section . It is these partitions that cause externally the appearance of transverse transparent lines . Dotted ducts are the ...
Page 26
... axis , and can be treated of more conveniently in this place than elsewhere . These are , 1. Intercellular passages ; 2. Receptacles of secre- tion ; 3. Air cells ; 4. Raphides . 1. Of Intercellular Passages . As the elementary organs ...
... axis , and can be treated of more conveniently in this place than elsewhere . These are , 1. Intercellular passages ; 2. Receptacles of secre- tion ; 3. Air cells ; 4. Raphides . 1. Of Intercellular Passages . As the elementary organs ...
Page 35
... springs ; thus causing the elevated ridge - like ap- pearance visible in the axis of the stoma in the figure above -- referred to ; and that , when contracted , they D 2 CHAP . II . COMPOUND ORGANS IN FLOWERING PLANTS . 35 Stomata.
... springs ; thus causing the elevated ridge - like ap- pearance visible in the axis of the stoma in the figure above -- referred to ; and that , when contracted , they D 2 CHAP . II . COMPOUND ORGANS IN FLOWERING PLANTS . 35 Stomata.
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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.