306 



INDEX. 



Forest, Rocky Mountain, 197, 204, 

 205. 



Forest, Seed, 297-282. 



Forest, Selection, 280-281. 



Forest, Southern, 197. 



Forest, Subarctic, 209. 



Forest, Two-storied Seed, 282. 



Forest, Use of, 271-287. 



Forest, Utilization of, 271-277. 



Forest, Virgin, 280. 



Forest, Western, 197. 



Forestry, 271-287. 



Forests, Composition of North Amer- 

 ican, 197. 



Forests, National, 228. 



Forests and agriculture, 258, 277. 



Forest conditions, 211-228, 278. 



Forest conservation, 262. 



Forest cover, 204, 211, 212, 224. 



Forest crop, 274, 276. 



Forest devastation, 261. 



Forest fires, 251-258, 261. 



Fores't floor, 213, 224. 



Forest improvement, 284-286. 



Forest map, 198. 



Forest organism, The, Chapter V., pp. 

 211-228. 



Forest ownership, 262. 



Forest planting, 282-284. 



Forest preservation, 277-284. 



Forest products, 276. 



Forest Service, U. S., 62, 264, 275. 



Fraxinus americana, 190. 



Fraxinus nigra, 182. 



Fraxinus oregona, 184. 



Fraxinus pennsylvanica, 188. 



Fraxinus quadrangulata, 186. 



Frost, 232. 



Frost-check, 232. 



Fungi, 26, 233-239. 



Ginko, 12. 



Gluing, 54. 



Goats, 240. 



Grain of wood, 19, 30, 31, 32-37, 53. 



Grain, Bird's eye. 



Grain, coarse, 32. 



Grain, cross, 33, 53. 



Grain, curly, 35. 



Grain, fine, 32. 



Grain, spiral, 33. 



Grain, straight, 33, 53. 



Grain, twisted, 33. 



Grain, wavy, 34. 



Grazing, 239. 



Group system, 279. 



Grubs, 243, 244. 



Gum, Black, 180. 



Gum, Sour, 180, 301. 



Gum, Sweet, 160, 301. 



Gymnosperms, 9. 



Hackberry, 297. 



Hackmatack, 76. 



Hardness of wood, 41, 54. 



Hardwoods, 12. 



Heart- wood, 13, 17, 18, 19, 290. 



Hemlock, 90, 295. 



Hemlock, Black, 92. 



Hemlock, Western, 92, 206. 



Hicoria alba, 118. 



Hicoria glabra, 122. 



Hicoria ovata, 120. 



Hickory, 118-123, 298. 



Hickory, Big-bud. 118. 



Hickory, Black, 118. 



Hickory, Shagbark, 120. 



Hickory, Shellbark, 120. 



Hickory, White-heart, 118. 



Holly, 301. 



High Forest, 281. 



Honeycombing, 48. 



Hornbeam, 124. 



Horn-tails, 246. 



Hygroscopicity of wood, 41. 



Hymenomycetes, 234. 



Ice, 232. 



Ichneumon fly, 247. 



Identification of woods, 289-303. 



Improvement of forests, 284-286. 



Inflammability of bark, 14, 251. 



Insects, 240-248. 



Insects, parasitic, 247. 



Insects, predaoeous, 247. 



Intolerance, 216, 219, 221. 



Iron- wood, 124. 



Juglans cinerea, 114. 



Juglans nigra, 116. 



Juniperus virginiana, llO. 



Key for the distinction of woods, 



292-303. 

 King-nut, 118. 

 Knot, 35, 37, 38. 

 Larch, 76. 

 Larch, Western, 78. 

 Larix americana, 76. 

 Larix laricina, 76. 

 Larix occidentalis, 78. 

 Lenticels, 14. 

 Leaves, 14, 216. 

 Lepidoptera, 241. 

 Light, 216-218. 

 Lightning, 231, 251. 

 Li<rnin, 16. 

 Linden, 178. 

 Liquidambar styraciflua, 160. 



