An Introduction to BotanyLongman, 1832 - 557 sider |
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Side 13
... radicle of Rhizophora Candelaria , than in any plant with which I am acquainted . It there consists of large , very long , transparent tubes , lying imbedded in fine brownish granular matter , which is minute cellular tissue . appeared ...
... radicle of Rhizophora Candelaria , than in any plant with which I am acquainted . It there consists of large , very long , transparent tubes , lying imbedded in fine brownish granular matter , which is minute cellular tissue . appeared ...
Side 157
... radicle of the future embryo it having been ascertained by many observ- ations that the radicle of the embryo is almost always pointed to the foramen . A partial exception to this law exists , how- ever , in Euphorbiaceæ , in many of ...
... radicle of the future embryo it having been ascertained by many observ- ations that the radicle of the embryo is almost always pointed to the foramen . A partial exception to this law exists , how- ever , in Euphorbiaceæ , in many of ...
Side 185
... radicle of the embryo , to his macropodal form of which he referred the embryo of such plants . Instances of this are found in Nymphæa and its allies , and also in Scita- mineæ , peppers , and Saururus . Mr. Brown , who first ascer ...
... radicle of the embryo , to his macropodal form of which he referred the embryo of such plants . Instances of this are found in Nymphæa and its allies , and also in Scita- mineæ , peppers , and Saururus . Mr. Brown , who first ascer ...
Side 187
... It is divided into three parts ; viz . the radicle ( Plate VI . fig . 2. b , & c . ) ( rhizoma or rostellum ) ; cotyledons ( fig . 2. a , & c . ) , and plumula ( or gemmula ) ( fig . 2. CHAP . II . COMPOUND ORGANS IN FLOWERING PLANTS . 187.
... It is divided into three parts ; viz . the radicle ( Plate VI . fig . 2. b , & c . ) ( rhizoma or rostellum ) ; cotyledons ( fig . 2. a , & c . ) , and plumula ( or gemmula ) ( fig . 2. CHAP . II . COMPOUND ORGANS IN FLOWERING PLANTS . 187.
Side 188
... radicle , plumula , and cauliculus . Upon certain remarkable differences in the structure of the embryo , modern ... radicle , and the upper divided end consists of two cotyledons . Within the base of the cotyledons is just visible a ...
... radicle , plumula , and cauliculus . Upon certain remarkable differences in the structure of the embryo , modern ... radicle , and the upper divided end consists of two cotyledons . Within the base of the cotyledons is just visible a ...
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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.