INDEX. 



309 



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. 1.3, 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. 

 Sivietenia mahagoni, 168. 

 Sycamore, 22, 162, 300. 

 Tamaracl<, 76, 296. 

 Tamaraclv, Western, 78. 

 Taxes on forests, 261. 

 Taxodiuin distichum, 102. 

 Tear fungus, 234, 238. 

 Temperature, 214. 

 Tension, 51, 52. 

 Texture of wood, 32. 

 Thuja f/if/antea, 104. 

 Thuja plicata, 104. 

 TiVia amfricana, 178. 

 Timber beetles, 242, 245. 

 Timber supply of U. S., 264-269. 

 Timber trees, 10. 

 Timber worms, 244. 

 Tissue, 16. 

 Toadstools, 234. 

 Tolerance, 216, 219. 

 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, 1.3, 211. 



Long-bodied, 225. 



Short-bodied, 225. 

 Tsiir/a canadensis, 90. 

 Tsiiqa heterophylla, 92. 

 Tulip Tree, 158. 



See Poplar Yellow 



Tupelo, 180. 



Turpentine, 263. 



Two-storied Seed Forest, 282. 



Ulnius americana, 154. 



XJlmus racemosa, 152. 



TJlmus thomasi, 152. 



Utilization of forests, 271-277. 



Veneer, 10, 35. 



Vessels, 23, 28, 29. 



Vegetable enemies, 233-239. 



Veterans, 225. 



Walnut, Black, 116, 300. 



Walnut, White, 114. 



Warping, 45-47. 



Waste, Avoidance of, 274. 



Waste in lumbering, 263. 



Water, 41, 42, 226, 231, 



Weeds, Forest, 225. 



Weight of wood, 41, 49-51. 



Whitewood, 158, 



Wilderness, Conquest of, 258. 



Willow, Black, 112. 



Wind, 229, 252, 253. 



Windfalls. 229. 



Wood, DiflFuse-porous, 23, 30, 300-303, 



Wood, Non-porous, 24-26, 58-111, 294- 



296. 

 Wood, Primary, 17. 

 Wood, Properties of, Chap. II., 41-56. 

 Wood, Pving-porous, 23, 29, 296-299, 

 Wood, Spring, 20, 21, 24, 30, 32, 44, 



53, 54, 291, 

 Wood, Structure of, 9-40. 

 Wood, secondary, 17, 

 Wood, summer,' 20, 21, 24, 30, 32, 



44, 53, .54, 291. 

 Wood borers. 243. 

 Wood cells. See Cells, 

 Wood, See Sap-wood, Heart wood. 

 Wood dyes, 18. 

 Wood fiber, 28. 

 Woods, Color of, 17, 18, 290. 

 Woods. The distinguishing of, 2S9- 



303. 

 Working, 47. 

 Worm-holes, 243. 

 Worms, carpenter, 245. 

 Worms, Timber, 244. 

 Wound parasites, 234. 

 Yew, 295. 

 Yield, 275. 

 Yucca, 10. 



