An Introduction to BotanyLongman, 1832 - 557 sider |
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Side 156
... chalaza ( Plate V. fig . 24. f , 25.g. ) . As the chalaza is uniformly at the base of the nucleus , it will follow that , in Orthotropous and Campu- litropous ovula it is confounded with the hilum ; while it is only distinguished in ...
... chalaza ( Plate V. fig . 24. f , 25.g. ) . As the chalaza is uniformly at the base of the nucleus , it will follow that , in Orthotropous and Campu- litropous ovula it is confounded with the hilum ; while it is only distinguished in ...
Side 158
... the quintine ; it is a sort of delicate intestine , which holds by one end to the summit of the nucleus , and by the other end to the chalaza . The quintine swells from top to bottom ; it forces 158 BOOK I. ORGANOGRAPHY .
... the quintine ; it is a sort of delicate intestine , which holds by one end to the summit of the nucleus , and by the other end to the chalaza . The quintine swells from top to bottom ; it forces 158 BOOK I. ORGANOGRAPHY .
Side 159
... chalaza : it is nevertheless evident that the adhesion has existed . The quintine , distended at its upper part , and suspended like a lustre from the top of the cavity , still presents at its lower end a portion of a rudimentary ...
... chalaza : it is nevertheless evident that the adhesion has existed . The quintine , distended at its upper part , and suspended like a lustre from the top of the cavity , still presents at its lower end a portion of a rudimentary ...
Side 182
... chalaza . Where there is no indication either exter- nally or internally of the apex , it may then be determined geometrically . The integuments of a seed are called the testa ; the rudi- ment of a future plant , the embryo ( Plate VI ...
... chalaza . Where there is no indication either exter- nally or internally of the apex , it may then be determined geometrically . The integuments of a seed are called the testa ; the rudi- ment of a future plant , the embryo ( Plate VI ...
Side 186
... chalaza ( Plate VI . fig . 11. 6 ) . In the orange it is beautifully composed of dense bundles of spiral vessels and spiral ducts , without woody fibre . The vessels which connect the chalaza with the hilum constitute a parti- cular ...
... chalaza ( Plate VI . fig . 11. 6 ) . In the orange it is beautifully composed of dense bundles of spiral vessels and spiral ducts , without woody fibre . The vessels which connect the chalaza with the hilum constitute a parti- cular ...
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Almindelige termer og sætninger
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
Populære passager
Side 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...
Side 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...
Side 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.