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- Padus serotina, [164].
- Palm, [9], [17].
- Paper pulp, [263].
- Parasites, [233].
- Parenchyma, [23], [28].
- Pecky cypress, [234].
- Peggy cypress, [234].
- Pepperidge, [180].
- Persimmon, [298].
- Phanerogamia, [9].
- Phloem, [13].
- Picea alba, [80].
- Picea canadensis, [80].
- Picea engelmanni, [86].
- Picea mariana, [84].
- Picea nigra, [84].
- Picea rubens, [82].
- Picea sitchensis, [88].
- Pigeon Horn-tail, [247].
- Pignut, [122].
- Pines, [58]-75, [295].
- Pine, Bull, [55] (note 4), [66], [205]-206.
- Pine, Cuban, [74].
- Pine, Georgia, [68].
- Pine, Loblolly, [72].
- Pine, Long-leaf, [68], [200].
- Pine, Norway, [64].
- Pine, Old Field, [72].
- Pine, Oregon, [94].
- Pine, Red, [64].
- Pine, Short-leaf, [70].
- Pine, Slash, [74].
- Pine, Sugar, [62].
- Pine, Western White, [60].
- Pine, Western Yellow, [66].
- Pine, Weymouth, [58].
- Pine, White, [24], [58], [199].
- Pine, Yellow, [70].
- Pine sawyers, [244].
- Pinus caribaea, [74].
- Pinus echinata, [70].
- Pinus heterophylla, [74].
- Pinus lambertiana, [62].
- Pinus monticola, [60].
- Pinus palustris, [68].
- Pinus ponderosa, [66].
- Pinus resinosa, [64].
- Pinus strobus, [58].
- Pinus taeda, [72].
- Pith, [10], [13], [15],
[16], [23], [32], [39].
- Pith ray. See Ray, medullary.
- Pits, [26], [292].
- Planting, [282]-284.
- Platanus occidentalis, [162].
- Poles, [225].
- Polypores, [234].
- Polyporus annosus, [237].
- Polyporus sulphureus, [236].
- Poplar, yellow, [24], [35], [158],
[204], [245], [246],
[267]-268.
- Pores, [23], [28], [29],
[291].
- Powder-post beetles, [244].
- Preservation of forests, [277]-284.
- Prices of lumber, [267], [268].
- Primary growth, [17], [22].
- Procambium strands, [16].
- Protection against fungi, [239].
- Protection against insects, [247].
- Properties of wood, Chap II., p. [41].
- Protoplasm, [14], [16], [23],
[41].
- Pruning of branches, [286].
- Prunus serotina, [164].
- Pseudotsuga mucronata, [94].
- Pseudotsuga taxifolia, [94].
- Quartering a log, [45].
- Quartered oak, [22].
- Quercus alba, [150].
- Quercus garryana, [146].
- Quercus macrocarpa, [144].
- Quercus michauxii, [142].
- Quercus minor, [148].
- Quercus obtusiloba, [148].
- Quercus rubra, [138].
- Quercus stellata, [148].
- Quercus tinctoria, [140].
- Quercus velutina, [140].
- Rainfall, effect on forest, [205], [213].
- Rays, medullary, [15], [16], [17],
[21], [22], [23], [26],
[30], [31], [37], [44],
[53], [291].
- Red rot, [234].
- Redwood, [100], [207], [220],
[295].
- Regularity of cells, [24].
- Reproduction, [220].
- Reserve sprout method, [279].
- Resin ducts, [26], [291].
- Rhizomorphs, [236].
- Rind, [13].
- Ring-porous. See Wood, ring-porous.
- Rings, Annual, [9], [10], [19],
[21], [23], [44], [226],
[290].
- Rings, False, [19], [231].
- Robinia pseudacacia, [166].
- Rodents, [239].
- Roots, [211], [224].
- Rotation period, [279].
- Rotting, [234].
- Salix nigra, [112].
- Sand dunes, [230], [231].
- Saplings, [225], [226].
- Saprophytes, [233].
- Sap-wood, [13], [17], [18],
[41], [42], [290].
- Sassafras, [296].
- Sawyers, Pine, [244].
- Seasoning, [42].
- Secondary growth, [17].
- Section, cross, [21], [22], [29].
See also Section, transverse.
- Section, radial, [19], [22], [26],
[30], [31].
- Section, tangential, [19], [22], [26],
[30], [31].
- Section, transverse, [19], [24], [29],
[30].
- Sections, transverse, radial and tangential, [12].
- Seed forests, [279]-282.
- Seeding from the side, [279].
- Seedlings, [225], [226].
- Seeds, [220]-223, [226].
- Sequoia, [98].
- Sequoia, [100].
- Sequoia, Giant, [98].
- Sequoia gigantea, [98].
- Sequoia sempervirens, [100].
- Sequoia washingtoniana, [98].
- Settler, [258].
- Shake, [47], [232], [233].
- Shearing strength, [52].
- Sheep, [240].
- Shelf fungus, [234], [236].
- Short-bodied trunk, [225].
- Shrinkage of wood, [41], [42]-47.
- Silver flakes, [22].
See Rays, Medullary.
- Silvical characteristics, [212].
- Silvicultural systems, [278]-284.
- Slash, [229], [251], [257].
- Slash-grain, [54].
- Slash-sawing, [45].
- Snow, [232].
- Softwoods, [12].
- Soil, [211], [213].
- Specific gravity. See Weight.
- Splint-wood, [17].
- Splitting. See Cleavability.
- Spores, [234].
- Spring-wood, [20], [21], [24],
[30], [32], [44], [53],
[54], [291].
- Sprouts, [220].
- Spruce, [80]-89, [295].
- Spruce, Black, [84].
- Spruce, Douglas, [94], [296].
- Spruce, Engelmann's, [86].
- Spruce, Red, [82], [213].
- Spruce, Sitka, [88].
- Spruce, Tideland, [88].
- Spruce, Western White, [86].
- Spruce, White, [80].
- Stand, mixed, [213], [223].
- Stand, pure, [213], [223].
- Standards, [225], [226].
- Steamboats, [246].
- Stem, diagram of cross section, Fig. 4, p. [13], fig. 5, p. [15];
[211].
- Strength of wood, [41], [51]-53.
- Strip system, [279].
- Structure of wood, [9]-40, [29], [30],
[32].
- Struggle for existence, [224], [226], [227].
- Summer-wood, [20], [21], [24],
[30], [32], [44], [53],
[54], [291].
- Swietenia mahagoni, [168].
- Sycamore, [22], [162], [300].
- Tamarack, [76], [296].
- Tamarack, Western, [78].
- Taxes on forests, [261].
- Taxodium distichum, [102].
- Tear fungus, [234], [238].
- Temperature, [214].
- Tension, [51], [52].
- Texture of wood, [32].
- Thuja gigantea, [104].
- Thuja plicata, [104].
- Tilia americana, [178].
- Timber beetles, [242], [245].
- Timber supply of U. S., [264]-269.
- Timber trees, [10].
- Timber worms, [244].
- Tissue, [16].
- Toadstools, [234].
- Tolerance, [219], [220].
- Toughness of wood, [41], [54].
- Tracheae, [23], [28].
- Tracheid, [28], [30], [290],
[292].
- Trametes pini, [235].
- Trametes radiciperda, [237].
- Tree, parts of, [211].
- Treeless area, [197], [203].
- Trees, Broad-leaved, [9], [10], [28],
[29].
- Trees, deciduous, [10].
- Trunk, [13], [211].
Long-bodied, [225].
Short-bodied, [225].
- Tsuga canadensis, [90].
- Tsuga heterophylla, [92].
- Tulip Tree, [158].
See Poplar Yellow
- Tupelo, [180].
- Turpentine, [263].
- Two-storied Seed Forest, [282].