204 MISC. PUBLICATION 273, U. S. DEPT. OF AGRICULTURE 



Maple (Acer spp.)— 

 leaves, 68, 92. 

 twigs, 36. 



wood, 154, 155, 160. 

 Mesquite (Prosopis spp.)— 

 twigs, 37. 

 wood, 154. 

 Oskk (Quercus spp.)— 

 acorns, 23. 



bark or cambium, 132, 137, 140. 

 general, 4, 53. 

 leaves, 59, 68, 71, 73, 77, 87. 

 twigs or branches, 36, 37. 

 wood, 147. 149, 151, 154, 155, 160. 

 Pine (Pinus spp.)— 

 bark or cambium, 8, 38, 56, 98, 102, 107, 109, 110, 



112, 113, 115, 118, 134, 136, 137, 139, 168. 

 cones or seeds, 16, 18, 19, 38. 

 needles, 46, 50, 51, 53, 64, 67, 71. 

 roots, 27. 



twigs or branches, 31, 35, 36, 37, 38, 39, 40, 46, 47, 49. 

 wood, 146, 148, 149, 151, 152, 153, 154, 157, 158, 159. 

 Apache {Pinus apacheca), cones or seeds, 16. 

 Arizona {Pinus arizonica), bark or cambium, 102, 



114. 

 Bishop (Pinus muricafa), bark or cambium, 115, 



117, 139. 

 bristlecone (Pinus aristata), bark or cambium, 107. 

 Coulter (Pinus coulteri) — 



bark or cambium, 99, 112. 



wood, 147. 

 Chihuahua (Pinus leiophylla) , bark or cambium, 



102. 

 Digger (Pinus sabiniana) — 



bark or cambium, 115. 



needles, 51. 



twigs or branches, 40, 46. 

 Foxtail (Pinus balfouriana) , bark or cambium, 113. 

 Jeffrey (Pinus jeffreyi) — 



bark or cambium, 107, 113, 115, 117, 118, 133. 



cones or seeds, 16, 18, 41. 



needles, 52, 64. 



twigs, 35, 46. 



wood, 149. 

 ^nohcone (Pinus attenuata) — 



bark or cambium, 117, 139. 



cones or seeds, 18, 21, 38, 41 . 



twigs or branches, 21, 38, 39. 



wood, 149. 

 limber (Pinus flexilis)— 



bark or cambium, 102, 107. 



cones or seeds, 16. 

 lodgepole (Pinus contorfa) — 



bark or cambium, 41, 102, 107, 109, 113, 114, 115, 

 117, 118, 128, 139. 



cones or seeds, 16, 18, 39, 41 . 



general, 7, 8, 9, 173, 183, 185, 189, 190, 192, 196. 



needles. 62, 64, 80, 82, 83, 85, 86, 90. 



roots, 27. 



twigs or branches, 34, 35, 39, 40, 49. 



wood, 146, 149, 158. 

 Mexican white (Pinus strobiformis) — 



bark or cambimn, 107, 139. 



wood, 146. 

 Monterey (Pinus radiata)— 



bark or cambium, 109, 112, 115, 117, 139. 



cones or seeds, 16. 



needles, 46, 49, 51, 52, 53, 68, 84, 91. 



twigs or branches, 35, 40, 49, 56. 

 pinon (Pinus edulis)— 



bark or cambium, 107, 134. 



cones or seeds, 16. 



needles, 53, 68, 90. 



twigs or branches, 37, 46, 49. 

 Ponderosa (Pinus ponderosa)— 



bark or cambium, 38, 99, 100, 102, 106, 107, 112, 

 113, 114, 115, 118, 133, 134, 136, 139, 155. 



cones or seeds, 16, 18, 21, 22, 38, 39, 41. 



general, 5, 7, 8, 9, 59, 172, 183, 185, 189, 191, 194, 196. 



needles, 46, 49, 51, 62, 64, 68, 80, 86, 90. 



roots, 27. 



Pine (Pinus spp.) 

 Ponderosa (Pinus ponderosa.) 



twigs or branches, 34, 35, 37, 38, 39, 40, 41, 46, 47, 

 49, 54, 55, 153. 



wood, 146, 147, 149, 153, 154, 155, 158. 

 singleleaf (Pinus monophylla)— 



cones or seeds, 16. 



needles, 90. 



twigs or branches, 40, 49. 

 sugar (Pinus lambertiana) — 



bark or cambium, 102, 112, 113, 115, 133, 139. 



cones or seeds, 16, 39. 



needles, 82, 90. 



twigs or branches, 34, 39, 49. 



wood, 153, 158. 

 Torrey (Pinus torreyana), needles, 52. 

 western white (Pinus monticola)— 



bark or cambium, 48, 49, 102, 112, 113, 115, 118, 

 124, 139. 



cones or seeds, 16, 39. 



general, 7, 8, 183, 185, 189, 191, 196. 



needles, 48, 49, 62, 80, 90. . • . 



roots, 27. 



twigs, 34, 39, 49. 

 western yellow. See Pine, ponderosa. 

 whitebark (Pinus albicaulis)— : ■ 



bark or cambium, 102, 117, 118. 



wood, 147. 

 Ponderosa pine. See Pine, ponderosa. 

 Poplar (Populus spp.)— 

 bark or cambium, 42, 137, 140. 

 general, 52. 



leaves, 68, 71, 72, 73, 86, 87, 92, 93, 94. 

 twigs, 36. 



wood, 137, 147, 149, 150, 151, 154, 155. 

 Redwood (Sequoia sempervirens) — 

 bark or cambium, 56, 129, 131, 137, 139. 

 general, 4. 

 leaves, 51. 

 twigs, 36. 



wood, 146, 153, 155, 158. 

 Sequoia. -See Bigtree; Redwood. 

 Spruce (Picea spp.)— 

 bark or cambium, 56, 107, 109, 122, 125, 126, 127, 128, 



134, 137, 139, 140. 

 cones or seeds, 18, 19, 20. 

 general, 4. ■ - 



needles, 50, 67, 75, 78, 79, 81, 



twigs, 32, 35, 37, 88, 47. , ■ -■ 



wood, 143, 145, 146, 153, 154, 158. ;-.- .^ 



Bigcone. See Bigeone spruce. .. 



Co]ora(loh]i\e (Picea pung ens) — - - 



cones or seeds, 22. • ■ 



needles, 51. 



twigs, 47, 48, 49. 

 Engelmann (Picea engelmannii)— 



bark or cambium, 41, 102, 126, 127, 128, 139. 



cones or seeds, 22. 



needles, 80, 86. 



roots, 27. 



twigs, 34, 40, 41, 47, 48, 49. 



wood, 147, 149. 

 Sitka (Picea sitchensis)— 



bark or cambium, 113, 127, 128, 139, 140. • _ 



cones or seeds, 22. 



needles, 45, 76, 84. 



twigs, 33, 40, 45, 47, 48. 

 Sycamore (P/a^anws sp.)— 

 bark or cambium, 140. 

 leaves, 87. 

 wood, 149, 160. 

 Western white pine. See Pine, western white. 

 White fir. See Fir, white. 

 Willow (Salix spp.)— 

 bark or cambium, 140. • 



genera], 52. 



leaves, 68, 71, 72, 73, 87, 92, 9.3, 94. 

 twia-s, 36, 37. 

 wood, 132, 150, 154, 155. 

 Yew, Pacific (Taxus brevifolia), 4. 



