392 



INDEX 



Poplar diseases — Continued 



smoke- and gas-injury, leaves, gen- 

 eral, 23. 



smothering-disease, seedlings, gen- 

 eral, 15. 



sooty molds, leaves, general, 41. 



sun-scald, bark, general, 52. 



sun-scorch, leaves, general, 22 

 seedlings, general, 9. 



white but^rot, 310. 



white pocket heartwood-rot, 310. 



wood-rot, common white, 305. 



wood-rots, general, 64. 



yellow leaf-blister, 300. 

 Poplar rust, leaf, fir, 159. 

 popidea, Dothichiza, 301. 

 Populus, see Poplar. 

 Pm-ia caialpw = Polyporus caialpw, 



127. 

 Paria Weirii, 210. 

 Powdery mildews, host index to, 34. 



leaves, general, 34. 

 Powdery mildew, alder, 86. 



basswood, 101. 



buckeye, 121. 



elm, 153. 



hackberry, 173. 



linden, 101. 



maple, 227. 



oak, 241. 



poplar, 300. 



willow, 341. 

 Powdery sapwood-rot, birch, 113. 

 Pruning, tree surgery, 346. 

 Pruning wounds, treatment of, 347. 

 pseudo-balsameuTn, Peridermium, 156. 

 Pseudotsuga, see Fir. 

 Pteridis, Uredinopsis, 157. 

 Puccinia fraxinala, 93. 

 PucciniastruTn minimum, 180. 



myrtUli, 180. 



pustvlaiuTn, 157. 

 Puck of cypress, bald cypress, 97. 

 puncialum., Rhytisma, 225. 

 purpureum, Stereum, 41. 

 pusilla, Razoumofskya, 321. 

 pustulalum, Pucciniastrum, 157. 

 pyriforme, Peridermium = Cronartium 



comandrOB, 283. 

 pyrolce, Melampsoropsis, 320. 

 Pythium debaryanum, 3. 



Q 



Quercus, see Oak. 

 guinquesepiata, Herpotrichia, 317. 



radicaia, Sparassis, 170, 218, 296, 331. 

 radidcola. Bacillus, 88, 222. 

 Razoumofskya, host index to, 55. 



see Mistletoe diseases, general, 54. 

 Razoumofskya americana, 273. 



cam.pylopoda, 273. 



Douglasii, 163. 



larids, 214. 



pusilla, 321. 

 Red-brown root- and butt-rot, arbor- 

 vit», 91. 



fir, 170. 



hemlock, 187. 



larch, 217. 



pine, 294. 



spruce, 331. 

 Red-brown sapwood-rot, fir, 165. 



hemlock, 184. 



larch, 215. 



pine, 292. 



spruce, 327. 

 Red-heart, pine, 293. 

 Red leaf-blister, birch, 112. 

 Red-ray wood-root, pine, 293. 

 Red-rot, fir, 163. -^ 



see Pecky wood-rot. 



see Red-ray wood-rot. 

 Reinforced dressings, 351. 

 Reinforcing for cavity filling, 355. 

 Rheades, Polyporus, 250, 310. 

 Rkizina undulata, 177, 212, 264. 

 Rhizoctonia, see Damping-o£f, 2. 

 Rhytisma accrinum, 223. 



punctatum, 225. 



salieinum., 343. 

 ribicola, Coleosporium., 269. 



Cronartium, 274. 

 rimosus, Fames, 219. 

 Ring-shake, fir, 163. 



see Pecky wood-rot. 

 Robinia, see Locust. 

 Root diseases and injuries, 72. 



drowning, general, 73. 



drying, general, 73. 



freezing-to-death, general, 74. 



