INDEX 



395 



Spruce diaeaaea — Continued 

 stringy red-brown heartwood-rot, 



328. 

 sun-scald, bark, general, 52. 

 sun-scorch, leaves, general, 22. 



seedlings, general, 9. 

 twig-blight, leaf- and, 319. 



seedling, 313. 

 winter-drjdng, leaves, general, 18. 



seedlings, general, 11. 

 witches'-broom, mistletoe, 321. 



rust, 320. 

 wood-rot, cuboidal, 329. 



pecky, 324. 

 wood-rots, general, 64. 

 yellow root-rot, 331. 

 squamosus, Polypoms, 233. 

 Stem-rusts, leaf- and, juniper (general), 



192. 

 Stereum purpureum, 41. 



suhpileatUTTi, 255. 

 Straw-colored butt-rot, oak, 259. 



heartwood-rot, chestnut, 149. 

 String and ray butt-rot, oak, 252. 

 Stringy brown wood-rot, juniper, 209. 

 red-brown heartwood-rot, fir, 166 

 hemlock, 184. 

 spruce, 328. 

 strobi, Peridermium = Cronartium rihi- 



cola, 274. 

 strobicola, Hypoderma, 270. 

 Strumella canker, chestnut, 148. 



oak, 245. 

 Strumella coryneoMea, 148, 245. 

 struthiopteridis, Uredinopsis, 156. 

 suaveolens, Trametes, 344. 

 subpileatum, Stereum, 255. 

 Sulfur dust, 358. 

 sulphureus, Polyporus, 87, 124, 149, 221, 



232, 247, 340. 

 Sun-scald, bark, general, 52. 

 Sun-scorch, leaves, general, 22. 



seedlings, general, 9. 

 Surgery, see Tree-surgery, 345. 

 Sweet-fern rust, pine, 281. 

 Sycamore diseases, 333. 

 damping-off, seedlings, general, 2. 

 drought-injury, leaves, general, 22. 

 drowning, roots, general, 73. 

 drying, roots, general, 73. 

 electrical injuries, general, 60. 



Sycamore diseases — Continued 



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

 seedlings, general, 12. 

 twigs and bark, 47. 



frost-cracks, general, 50. 



galls, general, 63. 



gas-injury, roots, general, 76. 

 smoke- and, leaves, general, 23. 



late frost-injury, leaves, general, 

 21. 



leaf- and twig-blight, 333. 



leaf-spots, general, 27. ■ 



lichen-injury, general, 52. 



lightning injury, general, 60. 



mistletoe diseases, general, 54. 



mycorhizas, roots, general, 82. 



powdery mildews, general, 34. 



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



roots parasitized by flowering plants, 

 general, 84. 



shoe-string root-rot, general, 78. 



silver-blight, leaves, general, 41. 



silver-leaf, general, 41. 



alime-flux, general, 53. 



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. 



twig-blight, leaf- and, 333. 



wood-rots, general, 64. 



Taphrina aurea, 300. 



carnea, 112. 



ccerulescens, 239. 



Johansonii, 301. 

 Tar, as a wound dressing, 348. 

 Tar leaf-spot, maple, 223. 



willow, 343. 

 Taxodium, see Bald cypress. 

 Temperature injuries, 



drought-injury, leaves, 22. 



freezing-to-death, roots, 74. 

 seedlings, 12. 

 twigs and bark, 47. 



frost-cracks, 50. 



