. Foundations of botany. Botany; Botany. 384 FOUNDATIONS OF BOTANY of zoology as well, that plants and animals do not make unrewarded outlays for the benefit of other species. Evi- dently the pulp of fruits is not to be consumed or used. Pl6. 273. — Barbs and Hooks of Burs. I, barbed points from fruit of beggar's-ticlcs, magniiled eleven times; n, book of cocklebur, magnified eleven times; 111, beggar's-tieks fruit, natural size; TV, cocklebur hook, natural size. as food by the plant itself or (in general) by its seeds. It is worth while, therefore, for the student to ask himself some such que


. Foundations of botany. Botany; Botany. 384 FOUNDATIONS OF BOTANY of zoology as well, that plants and animals do not make unrewarded outlays for the benefit of other species. Evi- dently the pulp of fruits is not to be consumed or used. Pl6. 273. — Barbs and Hooks of Burs. I, barbed points from fruit of beggar's-ticlcs, magniiled eleven times; n, book of cocklebur, magnified eleven times; 111, beggar's-tieks fruit, natural size; TV, cocklebur hook, natural size. as food by the plant itself or (in general) by its seeds. It is worth while, therefore, for the student to ask himself some such questions as these: ^ (1) Why is the pulp of so many fruits eatable ? (2) Why are the seeds of many pulpy fruits bitter or otherwise unpleasantly flavored, as in the orange ? (3) Why are the seeds or the layers surrounding the 1 See Kerner and Oliver's Natural History of Plants, Vol. n, pp. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Bergen, Joseph Y. (Joseph Young), 1851-1917; Eastwood, Alice, 1859-1953. Boston, Ginn & Co.


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Keywords: ., bookcentury1900, bookdecade1900, booksubjectbotany, bookyear1901