An Introduction to BotanyLongman, 1839 - 594 sider |
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Side v
... important purpose has been to demonstrate , by a series of well - connected proofs , that in no department of natural history are the sim- plicity and harmony that pervade the universe more strikingly manifest than in the vegetable ...
... important purpose has been to demonstrate , by a series of well - connected proofs , that in no department of natural history are the sim- plicity and harmony that pervade the universe more strikingly manifest than in the vegetable ...
Side vi
... important details of Or- ganography . Much of the subject is at present in- volved in doubt , and the accuracy of some of the conclusions of physiologists is inferred rather than demonstrated ; so that it has been found essential that ...
... important details of Or- ganography . Much of the subject is at present in- volved in doubt , and the accuracy of some of the conclusions of physiologists is inferred rather than demonstrated ; so that it has been found essential that ...
Side 8
... important changes took place in certain cells of the ordinary structure , which had not pre- viously undergone any alteration : in each of these there appeared three or four rings placed parallel with each other , adhering to the ...
... important changes took place in certain cells of the ordinary structure , which had not pre- viously undergone any alteration : in each of these there appeared three or four rings placed parallel with each other , adhering to the ...
Side 9
... important to distinguish them for practical purposes . I shall therefore pro- ceed henceforward to speak of them as if they were distinct in their origin . SECT . I. Of Cellular Tissue , or Parenchyma . CELLULAR , UTRICULAR , or ...
... important to distinguish them for practical purposes . I shall therefore pro- ceed henceforward to speak of them as if they were distinct in their origin . SECT . I. Of Cellular Tissue , or Parenchyma . CELLULAR , UTRICULAR , or ...
Side 18
... important varieties : - 1. Spiral fibres repressed by mucus , but having sufficient elasticity to uncoil when the mucus is dissolved , and then breaking up into rings . ( Plate I. fig . 16. ) These are what are found in the seed - coat ...
... important varieties : - 1. Spiral fibres repressed by mucus , but having sufficient elasticity to uncoil when the mucus is dissolved , and then breaking up into rings . ( Plate I. fig . 16. ) These are what are found in the seed - coat ...
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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