An Introduction to BotanyLongman, Orme, Brown, Green, and Longmans, 1839 - 594 páginas |
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Página 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 ...
Página 14
... the membrane that surrounds the seed of a Gourd . ( Plate I. fig . 5. ) 7. The muriform ; in the medullary rays . This consists of prismatical bladders compressed between woody tissue or vessels , with 14 BOOK I. ORGANOGRAPHY .
... the membrane that surrounds the seed of a Gourd . ( Plate I. fig . 5. ) 7. The muriform ; in the medullary rays . This consists of prismatical bladders compressed between woody tissue or vessels , with 14 BOOK I. ORGANOGRAPHY .
Página 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 ...
Página 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 ...
Página 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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Palavras e frases frequentes
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 colour common considered consists containing corolla cotyledons cyclosis developement dicotyledons direction disk distinct Dutrochet elongated embryo epidermis exist external 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 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 sometimes species specimens spiral vessels stamens stem stigma stomates structure substance surface term terminating tion tree tubes vascular vegetable veins wood woody tissue yellow
Passagens conhecidas
Página 593 - Dr. Ure's Dictionary of Arts, Manufactures, and Mines : Containing a clear Exposition of their Principles and Practice.