An Introduction to BotanyLongman, 1839 - 594 psl. |
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Rezultatai 1–5 iš 88
5 psl.
... portions of it . He says it may be distinctly seen by the aid of a powerful microscope that the little circles which are visible on the surface of the tissue of Palm - trees are passages ( meatus ) in the thickness of the membrane ...
... portions of it . He says it may be distinctly seen by the aid of a powerful microscope that the little circles which are visible on the surface of the tissue of Palm - trees are passages ( meatus ) in the thickness of the membrane ...
7 psl.
... portions , and is carried along by the growing membrane . In direction it is variable ( Plates I. and II . ) ; sometimes it is straight , and attains a considerable length , as in some fungi ; sometimes it is short and straight , but ...
... portions , and is carried along by the growing membrane . In direction it is variable ( Plates I. and II . ) ; sometimes it is straight , and attains a considerable length , as in some fungi ; sometimes it is short and straight , but ...
31 psl.
... portion of a branch or stem still green , so as to separate the coils of the spires . The fibre will be found to have a peristaltic motion , which lasts for a considerable time . An appearance of the same nature has been described by ...
... portion of a branch or stem still green , so as to separate the coils of the spires . The fibre will be found to have a peristaltic motion , which lasts for a considerable time . An appearance of the same nature has been described by ...
62 psl.
... portion only of the surface of any thing is covered by hairs , that portion is uniformly the ribs or veins . According to De Candolle , hairs are not found either upon true roots , ex- cept at the moment of germination , nor upon any ...
... portion only of the surface of any thing is covered by hairs , that portion is uniformly the ribs or veins . According to De Candolle , hairs are not found either upon true roots , ex- cept at the moment of germination , nor upon any ...
68 psl.
... portions of the epiphloum , disorgan- ised by some unknown power . Mohl states that they are found in the epiphloum , that is , between the epidermis and the mesophlæum , and consist of greenish or colourless ( or in Berberis yellow ...
... portions of the epiphloum , disorgan- ised by some unknown power . Mohl states that they are found in the epiphloum , that is , between the epidermis and the mesophlæum , and consist of greenish or colourless ( or in Berberis yellow ...
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Adolphe Brongniart albumen anther apex appears axis bark base become body botanists Botany bracts branches buds bundles called calyx Cand Candolle carbonic acid carpels cause cavity cells cellular tissue centre chalaza character cloth colour common consists containing corolla cotyledons cyclosis developement dicotyledons direction disk Dutrochet Edition embryo epidermis exist extremity fibres filament fleshy flowers fluid foramen fruit glands grains green growing hairs hilum inches integument kind latex layers leaf leaflets leaves light Linnæus lobes Loudon margin matter medullary rays membrane Mirbel monocotyledons nature nitrogen nucleus observed organs ovarium ovary ovule oxygen parenchyma pericarp petals petiole pistil pith placenta plants Plate plumula pollen pollen tube produced quantity radicle Raphides remarked roots round seeds separate side species specimens spiral vessels stamens stem stigma stomates structure substance surface term terminating tion tree tubes vascular vegetable veins wood woody tissue yellow