ScienceJohn Michels (Journalist) 1935 |
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Page 129
... plant evolution contains references to Fernald's taxonomic and ecological work ; to many , convincing evidence for plant evolu- tion may be found in a study of the distribution of related species and varieties . 2 The plant kingdom is ...
... plant evolution contains references to Fernald's taxonomic and ecological work ; to many , convincing evidence for plant evolu- tion may be found in a study of the distribution of related species and varieties . 2 The plant kingdom is ...
Page 130
... Plants , " the Thallophyta are emphasized comparatively strongly , 103 pages being devoted to this division , and only 53 pages to the remainder of the plant kingdom . But this allotment of pages seems justified , since the other parts ...
... Plants , " the Thallophyta are emphasized comparatively strongly , 103 pages being devoted to this division , and only 53 pages to the remainder of the plant kingdom . But this allotment of pages seems justified , since the other parts ...
Page
... plant diseases affecting grain crops . What one species of smut fungus can do in the way of producing new strains was outlined by Professor E. C. Stakman , of the University of Minnesota . He de- scribed a research project in which a ...
... plant diseases affecting grain crops . What one species of smut fungus can do in the way of producing new strains was outlined by Professor E. C. Stakman , of the University of Minnesota . He de- scribed a research project in which a ...
Contents
LOUDERBACK G D Age of the Earth 51 | 1 |
Microphotographs R L IVES 445 | 12 |
Pipettes Broken B N SINGH and P B MATHUR 626 | 13 |
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