 ... attacks of grazing animals is a matter of such general belief as to be admitted into certain botanical text-books as a proved fact. " It seems, however, to me that my experiment, detailed above, is a fairly crucial case, and that in Discaria Toumatou,...  The New Phytologist - Page 82edited by - 1905Full view - About this book
 | Washington Academy of Sciences (Washington, D.C.) - Science - 1907 - 626 pages
...fairly crucial case, and that in Discaria Toumatou, at any rate, .the spines are a direct response to conditions of dryness, and function as a special...never contained such, excepting the various species of Moa."1 That the spines did not develop under conditions of moisture and feeble light can scarcely be... | |
 | Washington Academy of Sciences - Science - 1907 - 226 pages
...matter of such general belief as to be admitted into certain botanical text-books as a proved fact. grazing animals, especially when it is borne in mind...never contained such, excepting the various species of Moa."1 That the spines did not develop under conditions of moisture and feeble light can scarcely be... | |
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