240 IXDEX. 



PAGE 



Phytolacca decandra 133 



Pigeon berry 133 



Pigweed 133 



Plantago lanceolata 132 



Plants of the year 131 



Pokeweed 133 



Pollen, germination 220 



immediate effects 225 



stimulating effect 228 



Pollen-grain, character 219 



Pollen-tube, growth 220 



Pollination and fertilization of flowers 219 



secondary effects 235 



Polydesmus complanatus 118 



monilaris 119 



Polygala viridescens 131 



Polygonum cilinode 133 



convolvulus 133 



hj'dropiperoides 135 



Poh-phemus moth 130 



Poplar for planting 28 



Potato blight 131 



stalk borer 128 



Potentilla monspeliensis 131 



Protein of bread, digestibilitj' 218 



Publications received 10 



Station 9 



Puccinea malvacearum 131 



Purple milkwort 131 



Radishes, effect of large and small seed 158 



sub-watering 161 



injured by millipedes 118, 163 



Rattle-snake grass 135 



Red humped apple worm 126 



Redonda phosphate 66 



Reverted phosphate 65 



Rhagium lineatum 130 



Ribbed pine borer 130 



Rough cinquefoil 131 



Rough pigweed 133 



Rudbeckia hirta 132 



Salt marsh caterpillar 129 



Samia cecropia 130 



Sciara inconstans 127 



Seed testing 60 



Sheep, digestion experiments 79 



Sheeptick 130 



