An Introduction to BotanyLongman, Orme, Brown, Green, and Longmans, 1839 - 594 páginas |
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Página 9
... Parenchyma . CELLULAR , UTRICULAR , or VESICULAR tissue , generally 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 ...
... Parenchyma . CELLULAR , UTRICULAR , or VESICULAR tissue , generally 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 ...
Página 15
... Parenchyma . Professor Link distinguishes Parenchyma from Prosenchyma ; referring to the former all tissue in which the bladders ( Plate I. fig . 1 , 3. 6 , 7 , & c . ) have truncated extremities ; and to the latter , forms of tissue in ...
... Parenchyma . Professor Link distinguishes Parenchyma from Prosenchyma ; referring to the former all tissue in which the bladders ( Plate I. fig . 1 , 3. 6 , 7 , & c . ) have truncated extremities ; and to the latter , forms of tissue in ...
Página 16
... parenchyma of the leaves of Oncidium altissimum , and in the coat of various seeds . Mr. Griffith has detected it abundantly in the aërial roots of Orchidaceous plants , where in fact it is extremely common in numerous species , and ...
... parenchyma of the leaves of Oncidium altissimum , and in the coat of various seeds . Mr. Griffith has detected it abundantly in the aërial roots of Orchidaceous plants , where in fact it is extremely common in numerous species , and ...
Página 36
... Parenchyma of foliaceous organs , in the bark of the root , in the pith , and probably in all other parts ; but their station seems to vary in different species . Sometimes they accompany the spiral vessels , forming a part of the ...
... Parenchyma of foliaceous organs , in the bark of the root , in the pith , and probably in all other parts ; but their station seems to vary in different species . Sometimes they accompany the spiral vessels , forming a part of the ...
Página 57
... parenchyma , and they remain so in their functions throughout their whole existence . Some physiologists , Link for instance , adhere to the opi- nion that stomates are glands or secreting organs , and not mere passages in the cuticle ...
... parenchyma , and they remain so in their functions throughout their whole existence . Some physiologists , Link for instance , adhere to the opi- nion that stomates are glands or secreting organs , and not mere passages in the cuticle ...
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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.