BIBLIOGRAPHY OF FOREST DISEASE RESEARCH 177 
Poplar (and hybrids) --Continued 
heart rot, 909 
leaf blotch, 2132 
Polyporus dryophilus, 909 
Septoria canker, 2123, 2128 
Septotinia populiperda, 2132 
sterilization of cuttings, 501, 
Zh 50, 2b. 
wetwood, 794 
Populus--SEE Cottonwood and 
Poplar (and hybrids) 
Populus tremuloides--SEE 
Aspen, quaking 
Populus trichocarpa--SEE 
Cottonwood, black 
Poria andersonii, 241 
Poria atrosporia, new species, 
9 
Poria carbonica, 403 
Poria cocos, 393 
Poria fatiscens, 2198 
Poria incrassata, 402, 1047, 
1049, 1663 . 
Poria microspora, 403 
Poria oleracea, new species, 
403 
Poria papyracea, 2200 
Portia sp., 1595 
fruiting stage of Polyporus 
nigricans, 240 
Poria spiculosa, 247 
Poria xantha, 403 
Posey, G. B., 93, 1279, -1308 
Posts, untreated, 
durability, 1262 
invisible decay, 1597 
| Prescott scale, 1281 
_ Prescribed burning, brown 
_ spot needle blight, 1709 
| Products 
im decay, 308; 77T;' 782, 786; 
1095, 1219, 2000, 2016 
deterioration, 782, 783 
mold, 849, 1657, 2016 
pathology and wood utiliza- 
tion,. 1179 
stain, 849, 875, 1657; 1677, 
Hy 2016 
SEE ALSO UNDER Aircraft 
Wood, Boats, Bolts, Build- 
ings, Cross‘ties; Logs, Lum- 
ber, Mills, Mine timber, 
Poles, Posts, Pulp, Pulp- 
wood, and Railroad ties 
Propagation, compatibility, 
1928 
Prosopis--SEE Mesquite 
Pruning 
effect on heartrot hazard, 
L592 
effect on red rot, 20 
Simulate blister rust attack, 
209 
wounds, Stereum sanguino- 
lentum, 1902 
Prunus--SEE Cherry, and 
Cherry, Japanese 
Prunus serotina--SEE Cherry, 
black 
Pseudomycorrhizae, 470, 1165 
seedling chlorosis, 466 
Pseudotsuga menziesii--SEE 
Douglas-fir 
Ptychogaster cubensis, 399 
Ptychogaster rubescens, 401 
Puccinia albiperidia, 1937 
Puccinia andropogonis, 1234 
Puccinia ellisianus, 1234 
Puccinia oxalidis, 1270 
Puceinta, spp.394 2277 
Pucciniastrum myrtilli, 142 
Pucciniastrum pustulatum, 2209 
Pulp 
decay, 53 530599 thF37. 
decayed wood, use, 1615, 
1616, 2148 
Pulpwood 
decay, 943, 1059, 1134, 
1.1355, ° 11 46) 49 SH, SP2e 
1569 12 
decayed wood, use, 1613, 
1614 
deterioration, 1197, 1199, 
1205,,° 1495, 
mold, 1569 
stain, 928, 943 
Pythium debaryanum, 765, 798, 
1001 
Quarantine, 65, 74, 436, 1380, 
1521,..b525', d$2'8,<-1903 
biological basis, 1491 
Quercus--SEE Oak, and Oak, 
European 
Quercus stellata--SEE Oak, 
post 
Quercus suber--SEE Oak, cork 
Railroad ties, decay in storage, 
1044 
Rankin, W. H.,; 17, 19%4,259915 
Rapraeger, Bit? ¥45a 
Rathbun, Annie--SEE Gravatt, 
Annie Rathbun 
