INDEX 



391 



Pine diseases — Continued 

 leaf blister-, 265. 

 oak, 287. 



Pifion blister-, 290. 

 sweet-fern, 281. 

 sapwood-rot, red-brown, 292. 

 seedling root-rot, 264. 

 shoe-string root-rot, general, 78. 

 smoke- and gas-inj\iry, leaves, gen- 

 eral, 23. 

 smothering-disease, seedlings, gen- 

 eral, 15. 

 sooty molds, leaves, general, 41. 

 sun-scald, bark, general, 52. 

 sun-scoreh, leaves, general, 22. 



seedlings, general, 9. 

 sweet-fern rust, 281. 

 twig-blight, 272. 

 winter-drying, leaves, general, 18. 



seedlings, general, 11. 

 witches'-broom of western yellow 



pine, 271. 

 witches'-brooms, mistletoe b(rls and, 



273. 

 wood-rot, pecky, 291. 



red-ray, 293. 

 wood-rots, general, 64. 

 yellow rootr-rot, 296. 

 pini, Trametes, 163, 215, 291, 324. 



Gallowaya, 270. 

 pinicola. Fames, 165, 184, 215, 292, 



327. 

 piniperda, Ascochyta, 313. 

 Pifion blister-rust, 290. 

 Pin-rot, cedar, 135. 

 Pinus, see Pine. 

 Plane-tree, see Sycamore. 

 Platanus, see Sycamore. 

 Pleurotus ostreatus, 235. 



ulmarius, 154. 

 polychceta, Uncinula, 173. 

 Polypore names, synonymy of, 364. 

 Polypoms amarus, 135. 

 Berkeleyi, 252. 



hetulinus, 113. -^ 



borealis, 185, 329. 

 -cameiis, 206. 

 catalpw, 127. 

 CTOceus, 150, 258. 

 dryadeus, 261. 

 dryophilus, 250, 310. 



Polyporus — Continued 

 Ellisianus, 293. 

 frondostis, 149, 259. 

 obtusus, 257. 

 Pilotw, 150, 258. 

 Rheades, 250, 310. — 



Schweinitzii, 91, 170, 187, 217, 294, 



331. 

 squamosiis, 233. 

 sulphurevs, 87, 124, 149, 221, 232, 



247, 340. 

 Polystictus versicolor, 125. 

 Poplar diseases, 298. 

 butt-rot, white, 310. 

 canker, 301. 



catkin-deformation, 301. 

 common white wood-rot, 305. 

 damping-off, seedlings, general, 2. 

 drought-injury, leaves, general, 22. 

 drowning, roots, general, 73. 

 drying, roots, general, 73. 

 electrical injuries, general, 60. 

 freezing-to-death, roots, general, 74. 

 seedlings, general, 12. 

 twigs and bark, 47. 

 frost-cracks, general, SO. 

 gall, limb-, 304. 

 galls, general, 63. 

 gas-injury, roots, general, 76. 



smoke- and, leaves, general, 23. 

 heartwood-rot, white pocket, 310. 

 late frost-injury, leaves, general, 



21. 

 leaf-blister, yellow, 300. 

 leaf-rusts, 298. 

 leaf-spots, general, 27. 

 lichen-injury, general, 52. 

 lightning injury, general, 60. 

 limb-gall, 304. 



mistletoe diseases, general, 54. 

 mycorhizas, roots, general, 82. 

 powdery mildew, 300. 

 powdery mildews, general, 34. 

 root-rot, shoe-string, general, 78. 

 roots parasitized by flowering plants, 



general, 84. 

 ' rusts, leaf-, 298. 

 shoe-string root-rot, general, 78. 

 silver-blight, leaves, general, 41. 

 silver-leaf, general, 41. 

 slime-flux, general, 53. 



