An Introduction to BotanyLongman, Orme, Brown, Green, and Longmans, 1839 - 594 sidor |
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Sida 12
... upper lateral extremity of a joint or cell ; each at first is a small protuberance , which is trans- formed into a lateral cylindrical excrescence containing chlo- rophyll ( green colouring matter ) , and having its cavity in ...
... upper lateral extremity of a joint or cell ; each at first is a small protuberance , which is trans- formed into a lateral cylindrical excrescence containing chlo- rophyll ( green colouring matter ) , and having its cavity in ...
Sida 54
... upper side of the lamina of the leaf , each proceed from a pair of parallel green cells , apparently of the same nature as the two cells forming the sphincter of a stomate . In the epidermis of certain plants are openings resembling ...
... upper side of the lamina of the leaf , each proceed from a pair of parallel green cells , apparently of the same nature as the two cells forming the sphincter of a stomate . In the epidermis of certain plants are openings resembling ...
Sida 56
... upper 1 Andromeda speciosa 2 Arum dracontium 3 Alisma Plantago • square surface . On under side . side . On both . None 32,000 8000 • · 16,320 24,320 12,000 6000 18,000 31,500 31,500 63,000 None 20,000 4 Amaryllis Josephinæ 5 Cobæa ...
... upper 1 Andromeda speciosa 2 Arum dracontium 3 Alisma Plantago • square surface . On under side . side . On both . None 32,000 8000 • · 16,320 24,320 12,000 6000 18,000 31,500 31,500 63,000 None 20,000 4 Amaryllis Josephinæ 5 Cobæa ...
Sida 60
... upper a short rigid bristle : ex . Borago officinalis . Stellate , or starry , when the hairs grow in tufts from the surface , and diverge a little from their centre , as in the Mal- low tribe . Hairs are either formed of a single cell ...
... upper a short rigid bristle : ex . Borago officinalis . Stellate , or starry , when the hairs grow in tufts from the surface , and diverge a little from their centre , as in the Mal- low tribe . Hairs are either formed of a single cell ...
Sida 65
... , cylindrical , and colourless , forming a stalk , the four upper spherical , larger , and filled with secreted matter ; d , simple pestle - shaped glands of Sisymbrium chilense ; in the pestle there is F CHAP . II . 65 GLANDS .
... , cylindrical , and colourless , forming a stalk , the four upper spherical , larger , and filled with secreted matter ; d , simple pestle - shaped glands of Sisymbrium chilense ; in the pestle there is F CHAP . II . 65 GLANDS .
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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.