528 
Journal of Agricultural Research 
Vot. I 
Page 
Parker, E. G. (paper). Selective Adsorption by Soils. 179-188 
Parks, T. H., and Webster, F. M. (paper), Serpentine Leaf-Miner. 59-88 
Pea, sweet. See Lathyrus odoratus. 
Peach, wild. See Prunus texana. 
Pecan. See Carya illinoensis. 
Penarmeniaca, n. sect. 154 
Pepper. See Capsicum sp. 
Phacelia linearis , in Tooele Valley, Utah. 378 
Phlox longifolia, in Tooele Valley, Utah. 378 
Phyllosiicta caryogena , syn. of P . caryae. 
caryae, causal organism of nursery-blight of Carya illinoensis . 305-312 
convexula , growth with Glomerella cingulata . 329 
Physical characteristics of Triiicum sativum , environmental influences on. 275-292 
Piemeisel, R. L., et al. (paper), Indicator Significance of Vegetation, etc. 365-418 
Pierce, W. D. (paper), New Potato Weevils, etc. 347 ~ 35 2 
Occurrence of a Cotton Boll Weevil in Arizona. 89-98 
Piloprunus, n. sect. 1 S 3 -1 54 
Pine, Norway. See Pinus resinosa. 
Pinon. See Pinus edulis. 
Piflon pine. See Pinus edulis. 
Pinus edulis , tyloses lacking in. 460 
resinosa , tyloses in. 460 
Pith-ray flecks in Betula nigra . 471-473 
Plantago sp., food plant of Agromyza pusilla . 64 
Plantain. See Plantago sp. 
Plenodomus destruens , causal organism of foot-rot of Ipomoea batatas . 253-273 
Pleutotropis rugosithorax , parasite of Agromyza pusilla . 82 
Poa nevadensis , in Tooele Valley, Utah.. 405 
sandbergii , in Tooele Valley, Utah.378,389,394 
sp. 401 
Polyporus berkeleyi t causal organism of string and ray rot, in Quercus.. 110-112,122-12 5 
in Quercus alba . 122-12 5 
in Quercus velutina . 123 
corruscans } syn. P. dryophilus. 
Polyporus Dryadeus, a Root Parasite on the Oak (paper). 239-250 
Polyporns dryophilus , causal organism of heart-rot in Quercus. 109-112 
confusion with P. dryadeus . 239-241 
freisiiy syn. P. dryophilus. 
frondosus , causal organism of straw-colored rot in Quercus. 110-112,125-127 
occurrence on Quercus digitata . 127 
fulvusy syn. P. dryophilus. 
pilotae, causal organism of pocketed or piped rot. 110-112,114-122 
in Quercus alba . 110-112,114-115 
in Quercus coccinea . 115-116 
in Castanea dentata . 117-118 
in Castanea pumila . 116-117 
in Quercus texana . 116 
rheades, syn. P. dryophilus. 
sulphureus, causal organism of brown, checked rot of Quercus. 109-112 
vulpinus, syn. P. dryophilus. 
Potassium bitartrate, crystals in fruit. 513-514 
Potato. See Solanum tuberosum. 
Potato, sweet. See Ipomoea batatas. 
