INDEX 



389 



Oak diseases — Continued 

 galls, general, 63. 

 gas-injury, roots, general, 76. 



smoke- and, leaves, general, 

 23. 

 heartwood-rot, honeycomb, 255. 



soft, 257. 



wet, 254. 



white pocket, 250. 

 honeycomb heartwood-rot, 255. 

 large leaf-spot, 243. 

 late frost-injury, leaves, general, 



21. 

 leaf-blight, 237. 

 leaf-blister, 239. 

 leaf-spot, large, 243. 

 leaf-spots, general, 27. 

 lichen-injury, general, 52. 

 lightning injury, general, 60. 

 mildew, brown, 243. 

 mistletoe diseases, general, 54. 

 mycorhizas, roots, general, 82. 

 powdery mildews, 241. 



general, 34. 

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



white, 261. 

 roots parasitized by flowering plants, 



general, 84. 

 shoe-string root-rot, general, 78. 

 silver-blight, leaves, general, 41. 

 silver-leaf, general, 41. 

 slime-flux, general, 53. 

 smoke- and gas-injury, leaves, gen- 

 eral, 23. 

 smothering-disease, seedlings, gen- 

 eral, 15. 

 soft heartwood-rot, 257. 

 sooty-molds, leaves, general, 41. 

 straw-colored butt-rot, 259. 

 string and ray butt-rot, 252. 

 StrumeUa canker, 245. 

 sun-scald, bark, general, 52. 

 sun-scorch, leaves, general, 22. 



seedlings, general, 9. 

 twig-blight, 244. 

 wet heartwood-rot, 254. 

 white butt-rot, 260. 

 white piped butt-rot, 258. 

 white pocket heartwood-rot, 250. 

 white rool^rot, 261 . 

 white wood-rot, 260, 



Oak diseases — Continued 



wood-rot, brown checked, 247. 

 common white, 250. 

 white, 260. 

 wood-rots, general, 64. 



Oak rust, pine, 287. 



obtusus, Polyporus, 257. 



occidentale. Cronartiwm, 290. 



occidentalis, Cceoma — Mdampsora al~ 

 bertensis, 159. 



officinalis, Fames, 169, 216, 292. 



omnivora, Phytophthora, 4. 



Open cavity treatment, 353. 



ornAxmentale, Peridermium, 158. 



osmundce, Uredinopsis, 156. 



ostreaius, Pleurotus, 235. 



Ozonium, see Southern root-rot, 103. 



parasitica, Diaporthe=Endothia parasit- 

 ica, 140. 

 parasitica, Endothia, 140. 

 Parasitized by flowering plants, roots, 



84. 

 Parasitized roots, beech, 108. 

 parvula, Uncinula, 173. 

 Peck of cypress, bald cjTJress, 97. 

 Peckii, Peridermium = Pucciniastrum 

 minimum and Pucciniastrum 

 myrtilli, 180. 

 Peckiness, cedar, 135. 



fir, 163. 



see Pecky wood-rot. 

 Pecky heartwood-rot, bald cjrpress, 97. 



cedar, 135. 

 Pecky wood-rot, fir, 163. 



larch, 215. 



pine, 291. 



spruce, 324. 

 Peggy-cypress, bald cypress, 97. 

 Peridermium ainetinum, 316. 



balsameum, 156. 



boreale, 320. 



cerebrum, 288. 



coloradense, 320. 



columnare = Calyptospora colum,naris, 

 157. 



comptonice, 282. 



consimile, 316. 



decolorans, 316. 



filamentosum, 286. i 



