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An American wood. Description of the distribution, growth, habit, wood, and wood properties of the species. Includes bibliographical references.

The identification of coniferous woods is generally regarded as being more difficult than for the hardwood species. This is due to the fact that conifers are more elemental in their structure and, as a consequence, the number of diagnostic features that may he employed is proportionately smaller. Instructions are given here in the sequential use of primary diagnostic features in the identification of coniferous woods. These may be used from the data chart or by sorting marginally perforated cards. Microscopic features are necessarily emphasized because of the greater accuracy obtainable...

An American wood. Description of the distribution, growth, habit, wood, and wood properties of the species. Includes bibliographical references.

Replaced by FPL Research note no. 088 (1965). https://www.fpl.fs.usda.gov/documnts/fplrn/fplrn88.pdf