. Fundamentals of botany. Botany. 536 STRUCTURE AND LIFE HISTORIES tion. The great contribution of de Vries is that he demon- strated that evolution may be studied by the method of experimentation. The next step for him (o take after discovering the two forms that he supposed to be mutants, was to breed them in carefully guarded, pedigreed cultures. Fig. 402.—Giant, evening-primrose (Enolhera gigas, a mutant from (Enothera Lamarckiana, originated in 1895. (Cf. Fig. 401.) (After de Vries.) in his gardeii, and also to breed the parent form, (Enothera Lamarckiana, and see if he could observe the


. Fundamentals of botany. Botany. 536 STRUCTURE AND LIFE HISTORIES tion. The great contribution of de Vries is that he demon- strated that evolution may be studied by the method of experimentation. The next step for him (o take after discovering the two forms that he supposed to be mutants, was to breed them in carefully guarded, pedigreed cultures. Fig. 402.—Giant, evening-primrose (Enolhera gigas, a mutant from (Enothera Lamarckiana, originated in 1895. (Cf. Fig. 401.) (After de Vries.) in his gardeii, and also to breed the parent form, (Enothera Lamarckiana, and see if he could observe the two forms above mentioned, or other mutants, arise from seed pro- duced^ without crossing with any other species. The entire story of this classical series of experiments is toojong to be told here. Suffice it to say that de Vries did observe numerous other aberrant forms arise, and also. 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 Gager, C. Stuart (Charles Stuart), 1872-1943. Philadelphia, P. Blakiston's son & co.


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Keywords: ., bookauthorgag, bookcentury1900, bookdecade1910, booksubjectbotany