1 1^ D E X. 



Abele poplar, 284, 349. 



Abies (genus), 41, 304, 338. 



aniabilis, 339. 



bractcata, 341. 



coneolor, 339. 



Douglasii, 337. 



Fraserii, 338. 



grandis, 339, 340, 341. 



magnilica, 339. 



Menziesii, 334. 



nobilis, 340 



poctinata, 42, 151, 341, 342. 



subalpina, 339. 



Williamsoniana, 336. 



Abietinea, 304, 310. 



Absolute humidity, 12, 15. 



Absorption by vital procjess, 194. 



Acacia (genus), 259. 



dealbata, 259. 



Greggii, 259. 



homa'lophylla, 260. 



melanoxylon, 260. 



pycnantha, 259. 



Acer (genus), 234, 846. 



compestre, seed of, 32. 



cireinatum, 239. 



dasycarpum, 237, 346. 



glabrum, 239. 



macrophyllum, 238. 



negundo, 239. 



nigrum, 237. 



Pennsylvanicuni, 238. 



pseudo-platan us, 33, 146. 



rubrum, 146, 238. 



saccharinum, 146, 236,346. 



spicatum, 238. 



tartaricum, as a hedge plant, 



146. 



Acetates, prepared from smoke, 153. 



Acorn-worms, 180. 



Acorns, mode of keeping, 34. 



Acre, number of trees on an, 50. 



Acres of forest in European coun- 

 tries, 83. 



ActinostrobuE, 304. 



Adaptation ofspecies to conditions, 90 



Addison, quotation from, 114. 



Adornment, planting for, 115. 

 ^sculus (genus), 253. 



Californica, 255, 250. 



flava, 255. 



glabra, 254. 



hippocestanam, 254. 



parviflora, 255._ 



Age for transplanting, 43. 



Agency of birds and animals in 



planting, 31. 

 Aggsbach, school of Forestry at, 107. 

 Ailanthus srlandulosa, 93, 288, 346. 

 Air, expansion and contraction of, 15. 



exposure of roots to, 43. 



Alabama, pine belt in, 200. 



dying off" of chestnut trees in, 



223. 

 Albumen of seeds, 35. 

 Alder, 84, 210, 231. 



blossoms of, 30. 



percentage of charcoal in, 151. 



Aleppo pine, period of full growth, 



105. 

 Algorobis glandulosa, 129, 130, 131. 

 Alkalies in wood, 152. 

 Alkaline soils, 6. 

 AInus (genus), 231. 



glutinosa, 231, 232. 



incana, 233. 



oblongifolia, 233. 



Oregona, 233. 



rhombifolia, 233.' 



rubra, 233. 



Alps, timber-line on, 25. 

 Alsace, chestnut grown in, 222. 

 Alternations in forest growth, 90. 

 Alucitae, or feather-winged moths, 



179. 

 Alum, preserving properties of, 193. 

 Anielanchier (genus), 264. 



alnifolia, 264. 



Canadensis, 146, 264. 



Aments, flowers so called, 29. 

 American alder, 233. 



aspen, 284. 



white oak, 216. 



vow, 314. 



355 



