 In North Carolina, Virginia, and Arizona there are trunks of trees preserved some of which are 8 feet in diameter and at least 120 feet long, while hundreds are from 2 to 4 feet in diameter. Many of the ferns (some are tree ferns) are of large size, indicating...  The Journal of Geology - Page 100edited by - 1910Full view - About this book
 | Ellsworth Huntington - Arid regions - 1914 - 390 pages
...is nothing in the floras to suggest a "depauperate and pinched" condition, as has often been said. "In North Carolina, Virginia and Arizona, there are...are from 2 to 4 feet in diameter. Many of the ferns [some are tree ferns] are of large size, indicating luxuriant growth, while Equisetum stems 4 to 5... | |
 | Smithsonian Institution. Board of Regents - Discoveries in science - 1915 - 932 pages
...is nothing in the floras to suggest a "depauperate and pinched" condition, as has often been said. " In North Carolina, Virginia, and Arizona there are...are from 2 to 4 feet in diameter. Many of the ferns (some are tree ferns) are of large size, indicating luxuriant growth, while Equisetum stems 4 to 5... | |
 | Smithsonian Institution. Board of Regents - Discoveries in science - 1915 - 940 pages
...is nothing in the floras to suggest a "depauperate and pinched" condition, as has often been said. "In North Carolina, Virginia, and Arizona there are...120 feet long, while hundreds are from 2 to 4 feet hi diameter. Many of the ferns (some are tree ferns) are of large size, indicating luxuriant growth,... | |
 | William John Miller - Geology - 1916 - 424 pages
...Such an impoverished condition of Triassic plants was at least not universal, for as Knowlton says: "In North Carolina, Virginia, and Arizona there are...Ferns are of large size, indicating luxuriant growth." * Protozoans and Porifers were present, though their records are neither very abundant nor of special... | |
 | Geological Society of America - Geology - 1919 - 710 pages
...every indication that climatic conditions were not unfavorable to vigorous plant growth. Thus in Xorth Carolina, Virginia, and Arizona there are trunks of...feet in diameter and at least 120 feet long, while luindreds are from 2 to 4 feet in diameter. Many of the ferns are of very large size, indicating luxuriant... | |
 | William John Miller - Geology - 1928 - 468 pages
...plants. 238 THE TRIASSIC PERIOD Triassic plants was at least not universal, for as Knowlton says: " In North Carolina, Virginia, and Arizona there are...the Ferns are of large size, indicating luxuriant growth."1 The remarkably petrified trees found in such abundance and beauty in the Triassic strata... | |
 | Smithsonian Institution. Board of Regents - 1915 - 934 pages
...nothing hi the floras to suggest a " depauperate and pinched " condition, as has often been said. " In North Carolina, Virginia, and Arizona there are...trunks of trees preserved some of which are 8 feet hi diameter and at least 120 feet long, while hundreds are from 2 to 4 feet in diameter. Many of the... | |
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