. Heredity and evolution in plants. Heredity; Plants. EXPERIMENTAL EVOLUTION "S "That I really had hit upon a plant in:a mutable period became evident from the discovery, which I made a year later, of two perfectly definite forms which were immedi- ately recognizable as two new elementary species. One of them was a short-styled form: 0. brevisiylis, which at first seemed to be exclusively male, but later proved to have. Fig. 6o.—A plant of the evening-primrose (CEnotkera biennis) which, by "bud sporting," has given rise (at the left) to a branch having the characters of ano
. Heredity and evolution in plants. Heredity; Plants. EXPERIMENTAL EVOLUTION "S "That I really had hit upon a plant in:a mutable period became evident from the discovery, which I made a year later, of two perfectly definite forms which were immedi- ately recognizable as two new elementary species. One of them was a short-styled form: 0. brevisiylis, which at first seemed to be exclusively male, but later proved to have. Fig. 6o.—A plant of the evening-primrose (CEnotkera biennis) which, by "bud sporting," has given rise (at the left) to a branch having the characters of another species. the power, at least in the case of several individuals, of developing small capsules with a few fertile seeds. The other was a smooth-leaved form with much prettier foliage than 0. Lamarckiana, and remarkable for the fact that some of its petals are smaller than those of the parent type, and lack the emarginate form which gives the petals of. 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: ., bookcentury1900, bookdecade1920, booksubjectplants, bookyear1920
