An Introduction to BotanyLongman, Orme, Brown, Green, and Longmans, 1839 - 594 sidor |
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Sida 5
... sides of which appear to be dotted , is placed under a good microscope , it will be found to have the matter deposited on its sides , pierced with short passages , which give the appearance of dotting , because the sides of the membrane ...
... sides of which appear to be dotted , is placed under a good microscope , it will be found to have the matter deposited on its sides , pierced with short passages , which give the appearance of dotting , because the sides of the membrane ...
Sida 7
... side of membrane , as in the same part in Digitalis purpurea ; but its most common direction is spiral . Whether it is solid or hol- low is not quite settled ; Purkinje asserts that it is hollow , as will be hereafter mentioned ; but ...
... side of membrane , as in the same part in Digitalis purpurea ; but its most common direction is spiral . Whether it is solid or hol- low is not quite settled ; Purkinje asserts that it is hollow , as will be hereafter mentioned ; but ...
Sida 8
... sides were uniform , thin , colourless , and transparent ; but they soon began to thicken , to lose their transparency , and to be marked all round from end to end with two contiguous parallel streaks disposed spirally . They then ...
... sides were uniform , thin , colourless , and transparent ; but they soon began to thicken , to lose their transparency , and to be marked all round from end to end with two contiguous parallel streaks disposed spirally . They then ...
Sida 16
... side of the cells elevations which give them a beautifully pitted appearance when cut across . In the subcutaneous parenchyma of the leaves of this plant the fibres of one cell are placed ex- actly opposite those of the next cell , so ...
... side of the cells elevations which give them a beautifully pitted appearance when cut across . In the subcutaneous parenchyma of the leaves of this plant the fibres of one cell are placed ex- actly opposite those of the next cell , so ...
Sida 17
... sides of truncated cylindrical cells in the anthers of Richardia africana ( Calla æthiopica ) and many other plants . ( Plate I. fig . 13. ) 6. Fibres running transversely in parallel lines round three of the sides of prismatical right ...
... sides of truncated cylindrical cells in the anthers of Richardia africana ( Calla æthiopica ) and many other plants . ( Plate I. fig . 13. ) 6. Fibres running transversely in parallel lines round three of the sides of prismatical right ...
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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
Populära avsnitt
Sida 593 - Dr. Ure's Dictionary of Arts, Manufactures, and Mines : Containing a clear Exposition of their Principles and Practice.