An Introduction to BotanyLongman, Orme, Brown, Green, and Longmans, 1839 - 594 sidor |
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Sida 7
... less rapidly , when it is broken into minute 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 ...
... less rapidly , when it is broken into minute 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 ...
Sida 10
... less frequently pierced with transverse slits , which are occasionally so numerous as to fig . 5 . transform the bladders into a real articulated tissue , as in the pith of the Nelumbium ( fig . 5. ) . " This statement is now well known ...
... less frequently pierced with transverse slits , which are occasionally so numerous as to fig . 5 . transform the bladders into a real articulated tissue , as in the pith of the Nelumbium ( fig . 5. ) . " This statement is now well known ...
Sida 12
... less than the of an inch in diameter , and it is probable they are nearer the 1 , it may be estimated to have consisted , when full grown , of about 47,000,000,000 cellules ; so that , supposing it to have 12 BOOK I. ORGANOGRAPHY .
... less than the of an inch in diameter , and it is probable they are nearer the 1 , it may be estimated to have consisted , when full grown , of about 47,000,000,000 cellules ; so that , supposing it to have 12 BOOK I. ORGANOGRAPHY .
Sida 24
... less than that of the finest human hair ; the tubes of hemp , for example , when completely separated , are nearly six times smaller . It must , however , be observed , that the fibres of this plant , as used in linen - making , are by ...
... less than that of the finest human hair ; the tubes of hemp , for example , when completely separated , are nearly six times smaller . It must , however , be observed , that the fibres of this plant , as used in linen - making , are by ...
Sida 27
... less in a spiral direction . Such appears to me to be the most accurate mode of de- scribing this kind of tissue , upon the exact nature of which anatomists are , however , much divided in opinion ; some be- lieving that the fibre ...
... less in a spiral direction . Such appears to me to be the most accurate mode of de- scribing this kind of tissue , upon the exact nature of which anatomists are , however , much divided in opinion ; some be- lieving that the fibre ...
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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 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
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Sida 593 - Dr. Ure's Dictionary of Arts, Manufactures, and Mines : Containing a clear Exposition of their Principles and Practice.