. Heredity and evolution in plants. Heredity; Plants. 184 HEREDITY AND EVOLUTION IN PLANTS casts resulting from the encasement of the organ or organism in the rock-forming material. The tissue itself either decayed or became carbonized, leaving only the. â â â >â¢#⢠Fig. 8o.âFossil incrustations of the foliage of two species of Spheno- phyllum from the coal measures of Missouri. (From U. S. Geological Survey.) impression of its surface features. The well-known "fossil fern-leaves," found in coal mines, are of this nature. The tissues of the plant were transformed into coal,. Plea
. Heredity and evolution in plants. Heredity; Plants. 184 HEREDITY AND EVOLUTION IN PLANTS casts resulting from the encasement of the organ or organism in the rock-forming material. The tissue itself either decayed or became carbonized, leaving only the. â â â >â¢#⢠Fig. 8o.âFossil incrustations of the foliage of two species of Spheno- phyllum from the coal measures of Missouri. (From U. S. Geological Survey.) impression of its surface features. The well-known "fossil fern-leaves," found in coal mines, are of this nature. The tissues of the plant were transformed into coal,. 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.
Size: 1593px × 1568px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1920, booksubjectplants, bookyear1920
