Nov. 1907] 



Index to Plant Navies 



27a. 



Phleophythora syringae, 209 

 Phlox divaricata, 191 

 Phlox subulata, 191 

 Phoma cornigena, 46 

 Phoma strobiligena f. abietina, 46 

 Phycomycetes, 205 

 Phyllosticta circumvallata, 51 

 Phyllosticta fraxini, 51 

 Phyllosticta fraxinicola, 51 

 Phyllosticta liriodendri. 51 

 Phyllosticta liriodendrica, 51 

 Phyllosticta sassafras, 52 

 Phyllosticta tulipifera, 52 

 Physalospora dracaenae n. sp., 



140 

 Physopella ,123 

 Phytophthora, 207, 209 

 Phytophthora infestans, 207, 209 

 Pilosace, 253 

 Pilosace eximia, 254 

 Pilosace gillettii, 254 

 Pilosace hololepsis, 255 

 Pilosace olivaespora, 255 

 Pilosace palmigena, 254 

 Pilosace roseola, 254 

 Pilosace tricholepis, 255 

 Pinus filifolia, 23 

 Pinus virginiana, 194 

 Pithecoctenium hexagonum, 31 

 Plasmopara, 207, 209 

 Platycarpium, 157 

 Pleosphaeria fairmaniana n. sp., 



45 

 Pleosphaeria quercina, 46 

 Pluchea odorata. 25, 102 

 Pluchea purpurascens, 25 

 Plumiera rubra, 19, 100 

 Polemonium reptans, 191, 192 

 Polioma, 29, 123 

 Polioma delicatula n. sp., 29 

 Polioma griseola n. n., 29 

 Polioma nivea n. n., 29 

 Poinciana pulcherrima. 20 

 Polyporus arcularius, 137, 138 

 Polyporus elegans, 137. 138 

 Polyporus lentus, 137, 1-38 

 Polyporus pennsylvanicus n. sp., 



137 

 Polyporus polvporus, 137, 138 

 Polygala senega. 191, 192. 193 

 Polygonum amphibium. 192 

 Polygonum scandens. 191 

 Pol3'mnia canadensis, 192, 202 

 Polythelia, 123 

 Pontisma, 63 

 Potentilla norvegica, 50 

 Primulaceae. 200 

 Prospodium. 31. 123 

 Prospodium amphilophii n. n., 31 



Prospodium appendiculatum n. n., 



31 

 Protocoronospora n. gen., 186 

 Protocoronospora nigricans n. 



sp., 186 

 Protomyces graminicola, 207 

 Protomyces gravidus n. sp., 188- 

 Protomyces macrosporus, 189 

 Prunus pumila, 199 

 Prunus serotina, 48, 199 

 Psathyra, 146 

 Psathyra atomatoides, 153 

 Psathyra bulbillosa, 147 

 Psathyra conica, 148 

 Psathyra conopila, 147 

 Psathyra epibates, 149 

 Psathyra fagicola, 149 

 Psathyra fibrillosa, 150 

 Psathyra flavogrisea, 149 

 Psathyra gyroflexa, 148 

 Psathyra hymenocephala, 150 

 Psathyra limbata, 147 

 Psathyra m.iamensis n. sp,, 152 

 Psathyra microsperma, 152 

 Psathyra noli-tangere, 151 

 Psathyra obscura, 152 

 Psathyra obtusa, 148 

 Psathyra obtusata, 148 

 Psathyra pholidota, 151 

 Psathyra plumigera, 151 

 Psathyra polytrichophila, 144 

 Psathyra pseudotenera, 147 

 Psathyra senex, 151 

 Psathyra silvatica, 149 

 Psathyra spadiceo-grisea, 148 

 Psathyra subnuda, 152 

 Psathyra sulcata, 150 

 Psathyra tigrina, 153 

 Psathyra umbonata, 149 

 Psathyra vestita, 153 

 Psathyrella, 54 

 Prathyrella atomata, 57 

 Psathyrella bartholomaei, 58 

 Psathyrella crenata. 57 

 Psathyrella debilis, 55 

 Psathyrella falcifolia, 55 

 Psathyrella fragilis, 56 

 Psathyrella gracilis, 56 

 Psathyrella gracillima. 56 

 Psathyrella graciloides. 56 

 Psathyrella hiascens, 58 

 Psathyrella hirta, 55 

 Psathyrella hydrophora, 58 

 Psathyrella leucostigma, 58 

 Psathyrella minima, 54 

 Psathyrella odorata, 54 

 Psathyrella pallescens, 54 

 Psathyrella rupincola, 55 

 Psathyrella subatrata, 58 



