An Introduction to Botany |
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Page 7
... usually adheres ; but it occasionally elongates 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 ...
... usually adheres ; but it occasionally elongates 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 ...
Page 10
... usually grow so firmly together , that their sides really form in their union but one membrane ; and it will be here- after seen that in many cases the partition between two cells is originally simple . The bladders of cellular tissue ...
... usually grow so firmly together , that their sides really form in their union but one membrane ; and it will be here- after seen that in many cases the partition between two cells is originally simple . The bladders of cellular tissue ...
Page 19
... usually granular ; in consistence it varies between extreme softness and such a degree of toughness , as enables it to resist the pressure of the compressorium without altering its form . In the interior of the Cytoblast , or sunk in ...
... usually granular ; in consistence it varies between extreme softness and such a degree of toughness , as enables it to resist the pressure of the compressorium without altering its form . In the interior of the Cytoblast , or sunk in ...
Page 20
... usually of a firmer consistence , remaining well defined when the latter is crushed by pressure into amorphous mucus . If the gum which is found in the youngest albumen of a plant be examined , it will be found turbid with molecules of ...
... usually of a firmer consistence , remaining well defined when the latter is crushed by pressure into amorphous mucus . If the gum which is found in the youngest albumen of a plant be examined , it will be found turbid with molecules of ...
Page 23
... Usually it has no markings upon its surface , except occasionally a particle or two of greenish matter in its inside ; but sometimes it is covered with spots . that have been mistaken for pores , and which give it a peculiar character ...
... Usually it has no markings upon its surface , except occasionally a particle or two of greenish matter in its inside ; but sometimes it is covered with spots . that have been mistaken for pores , and which give it a peculiar character ...
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Common terms and phrases
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
Popular passages
Page 593 - Dr. Ure's Dictionary of Arts, Manufactures, and Mines : Containing a clear Exposition of their Principles and Practice.