. Animals before man in North America; their lives and times. Paleontology. Ani)iials Before Man ferns abounded and mosses and rushes took upon themselves the dignity of trees, reaching a height of from 50 to 75 feet, and a diameter of 2 or 3. Some of the club-mosses (Sigillaria) grew stiffly up- right, Avithout a branch, but with leaves clustered thickly around the upper part of the stem, while others (Lepidoden- dron),* after reaching a con- siderable height, divided into two branches, and these forked again and again with the for- mal regularity of trees drawn by little children. Then there
. Animals before man in North America; their lives and times. Paleontology. Ani)iials Before Man ferns abounded and mosses and rushes took upon themselves the dignity of trees, reaching a height of from 50 to 75 feet, and a diameter of 2 or 3. Some of the club-mosses (Sigillaria) grew stiffly up- right, Avithout a branch, but with leaves clustered thickly around the upper part of the stem, while others (Lepidoden- dron),* after reaching a con- siderable height, divided into two branches, and these forked again and again with the for- mal regularity of trees drawn by little children. Then there were the horsetail rushes (Cala- mites), perhaps the most abun- dant of Carboniferous plants, with long, slen- der, jointed stems, all combining to make a tangled jungle of luxui^iant vegetation. The * The Sigillarias and Lepidodendrons are included in a group called Lepidophytes, scale plants, because of the small stiff leaves arranged in spiral rows about their trunks, like so many overlap- ping scales. 122. A Calamite, a rush of Carboniferous times. (After Dawson.). 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 Lucas, Frederic A. (Frederic Augustus), 1852-1929. New York, D. Appleton and company
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectpaleont, bookyear1902
