. Bulletin. Forests and forestry -- United States. 140 TIMBKK PINE6 OF THE SOUTHERN UNITED STATES. Number of ringa from center. Spring- wood. Snmmer- wood. A^'erago. 1 2 3 4 7 10 24-33 44-53 24 34 45 43 50 52 f,2 52 15 23 24 26 26 28 28 27 24 32 40 36 38 36 36 37 As usual in conifers, tho tiaclieids are largest in the roots and smallest in tlie limbs. In these pines, especially in Longleaf Pine, they are larger in well-grown wood than in that of extremely stnnted trees, thongh very narrow rings in otherwise normal trees do not share this diminntive size of the tracheid. (See fig. IS, A and P.,
. Bulletin. Forests and forestry -- United States. 140 TIMBKK PINE6 OF THE SOUTHERN UNITED STATES. Number of ringa from center. Spring- wood. Snmmer- wood. A^'erago. 1 2 3 4 7 10 24-33 44-53 24 34 45 43 50 52 f,2 52 15 23 24 26 26 28 28 27 24 32 40 36 38 36 36 37 As usual in conifers, tho tiaclieids are largest in the roots and smallest in tlie limbs. In these pines, especially in Longleaf Pine, they are larger in well-grown wood than in that of extremely stnnted trees, thongh very narrow rings in otherwise normal trees do not share this diminntive size of the tracheid. (See fig. IS, A and P., where a few very narrow rings are made up of elements of normal size.) â ^S^. 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 United States. Division of Forestry. Washington : G. P. O.
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