An Introduction to BotanyLongman, 1839 - 594 стор. |
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Сторінка 9
... consists of little bladders or vesicles of various figures , ad- hering together in masses . It is transparent , and in most cases colourless : when it appears otherwise , its colour is caused by matter contained within it . If a thin ...
... consists of little bladders or vesicles of various figures , ad- hering together in masses . It is transparent , and in most cases colourless : when it appears otherwise , its colour is caused by matter contained within it . If a thin ...
Сторінка 13
... consist of membrane only , without any trace of fibre ; it is the most common , and was , till lately , supposed to be the only kind that exists . This sort of tissue is to be considered the basis of vegetable structure , and the only ...
... consist of membrane only , without any trace of fibre ; it is the most common , and was , till lately , supposed to be the only kind that exists . This sort of tissue is to be considered the basis of vegetable structure , and the only ...
Сторінка 21
... consists of tubes , often of considerable size , appearing when viewed by transmitted light as if riddled full of holes . Upon a more accurate inspection , however , it is found to receive that appearance from its sides being filled ...
... consists of tubes , often of considerable size , appearing when viewed by transmitted light as if riddled full of holes . Upon a more accurate inspection , however , it is found to receive that appearance from its sides being filled ...
Сторінка 22
... consists of long , slender , uninterrupted , pitted tubes , resembling Pleurenchyma in form , but not tough , nor collected into solid bundles . This is common in the roots of plants , and is often found in con- nection with spiral ...
... consists of long , slender , uninterrupted , pitted tubes , resembling Pleurenchyma in form , but not tough , nor collected into solid bundles . This is common in the roots of plants , and is often found in con- nection with spiral ...
Сторінка 23
... consists of large , very long , transparent tubes , lying imbedded in fine brownish granular matter , which is minute cellular tissue ( fig . 7. ) fig . 7 . Usually it has no markings upon its surface , except occasionally a particle or ...
... consists of large , very long , transparent tubes , lying imbedded in fine brownish granular matter , which is minute cellular tissue ( fig . 7. ) fig . 7 . Usually it has no markings upon its surface , except occasionally a particle or ...
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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