An Introduction to BotanyLongman, 1839 - 594 стор. |
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Сторінка 31
... exist in the bark of Urtica nivea , it seems that there is some inaccuracy in Don's remark . The situation of spiral vessels is in that part of the axis of the stem surrounding the pith , and called the medullary sheath , and also in ...
... exist in the bark of Urtica nivea , it seems that there is some inaccuracy in Don's remark . The situation of spiral vessels is in that part of the axis of the stem surrounding the pith , and called the medullary sheath , and also in ...
Сторінка 32
... exist . My friend , Mr. Griffith , has succeeded in unrolling them in the young shoots of Lycopodium denticulatum , and Mr. Quekett in Diplagium seramporense . Some have thought that the spiral vessels terminate in those 32 BOOK I ...
... exist . My friend , Mr. Griffith , has succeeded in unrolling them in the young shoots of Lycopodium denticulatum , and Mr. Quekett in Diplagium seramporense . Some have thought that the spiral vessels terminate in those 32 BOOK I ...
Сторінка 37
... exist . When they do exist , they are called Intercellular passages . D 3 CHAP . I. 37 INTERCELLULAR PASSAGES .
... exist . When they do exist , they are called Intercellular passages . D 3 CHAP . I. 37 INTERCELLULAR PASSAGES .
Сторінка 38
... exist in the form of little holes at every angle of the hexagons of which the partitions in that plant consist ; and are , no doubt , there intended as a beau- tiful contrivance to enable air to pass freely from one cavity to another ...
... exist in the form of little holes at every angle of the hexagons of which the partitions in that plant consist ; and are , no doubt , there intended as a beau- tiful contrivance to enable air to pass freely from one cavity to another ...
Сторінка 47
... the application of iodine , but which have a rapid motion upon their own axis . Of these little more is known than that they exist . CHAPTER II . OF THE COMPOUND ORGANS IN FLOWERING PLANTS CHAP . I. 47 AMYLACEOUS TISSUE .
... the application of iodine , but which have a rapid motion upon their own axis . Of these little more is known than that they exist . CHAPTER II . OF THE COMPOUND ORGANS IN FLOWERING PLANTS CHAP . I. 47 AMYLACEOUS TISSUE .
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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 cloth colour common consists containing corolla cotyledons cyclosis developement dicotyledons direction disk Dutrochet Edition embryo epidermis exist 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 Loudon 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 species specimens spiral vessels stamens stem stigma stomates structure substance surface term terminating tion tree tubes vascular vegetable veins wood woody tissue yellow