288 



Index 



170; pellucidus, 170; Perula, 167; 



pinicola, 266; Pocas, 170; Pocula, 



170; resinosus, 266; rotundatus, 



266 ; salignus, 265 ; scanicus, 265 ; 



Schweinitzii, 170; Shenoi, 170; 



Shiraianus, 170; vernicipes, 170; 



versicolor, 122 ; zonatus, 265 

 Polystictus Cryptomeriae, 170; Ikenoi, 



170; pellucidus, 165 

 Populus, 185, 187; nigra pyramidalis, 



164; tremuloides, 49, 113, 122, 242, 



256, 268, 272 

 Porteranthus, 226, 253 ; stipulatus, 



226, 229, 253, 254, 256 

 Portulaca oleracea, 121 

 Problems of North American lichen- 



ology, The, 28 

 Propolis, 106, 113; faginea, 113, 124 

 Prunus, 166, 167, 168, 185 ; sp., 165 

 Pseudonectria, 44, 47, 48 ; sul- 



phurata, 48 

 Pseudopeziza, 106, 112; Medicaginis, 



112 



Pseudovalia Xanthoxyli, 204 

 Psoralea Onobrychis, 231 

 Puccinellia airoides, 246, 256 

 Puccinia, 209, 229, 230 ; Absinthii, 



243, 256 ; Agrostidis, 250 ; alter- 

 nans, 248, 256 ; angustata, 234, 



255 ; asperifolia, 236, 255 ; Asteris, 

 232 ; Caricis-Asteris, 230 ; Caricis- 

 Solidaginis, 233, 255 ; cinerea, 246, 



256 ; dochmia, 252 ; Dolichii, 230 ; 

 Eleocharidis, 233, 255 ; Ellisiana, 

 231; emaculata, 230; fraxinata, 

 236, 255; Koeleriae, 247, 256; 

 Kuhniae, 233, 254; macrospora, 



244, 256; Muhlenbergiae, 251, 252, 

 256; obliterata, 250, 256; on 

 Agropyron, 249 ; on Bromus, 

 248 ; on Carex comosa, 243 ; on 

 Carex gravida, 230 ; on Carex penn- 

 sylvanica, 229 ; on Carex pratensis, 

 245 ; on Carex sp., 246 ; on Koleria 

 cristata, 246 ; patruelis, 245, 256 ; 

 Peckii, 233, 254; poculiformis, 231, 

 232, 246 ; Pruni-spinosae, 248 ; 

 quadriporula, 230 ; rubigo-vera, 225, 

 237 ; Sambuci, 233, 255 ; Schedon- 

 nardi, 231 ; Seymouriana, 236, 255 ; 

 subnitens, 228, 234, 255 ; tomipara, 

 236, 248, 255 ; Troximontis, 245 ; 

 vexans, 231 ; vulpinoidis, 229 



Pulveroboletus, 4, 9; Ravenelii, 9 

 Pycnoporellus fibrillosus, 170 

 Pycnoporus sanguineus, 167 

 Pyrenopsis, 94 ; Schaereri, 87 

 Pyrenula, 30 ; verrucosa, 30 

 Pyronema, 104, 107, 131, 135, 136, 

 137; confluens, 132, 136; ompha- 

 lodes, 107, 132, 133, 135, 138, 139 

 Pyronema, Studies in pyrophilous 



fungi, I, The occurrence and cul- 

 tivation of, 131 



Pyropolyporus fastuosus, 169 



Pyrus, 185 ; communis, 240 



Quercus, 185 ; aliena, 167 ; cuspidata, 

 274 ; sp., 166, 269 



Radulum orbiculare, 266 



Ramalina calicaris, 31 



Ramularia Fragariae, 272 ; Tuslasnei, 



272 



Ranunculus Cymbalaria, 246 

 Rhododendron, 9 

 Rhodoporus, 15; felleus, 15 

 Rhus, 185, 187 

 Rhynchosia, 62 



Rhysotheca Halstedii, 124; viticola, 

 271 



Rhytisma salicinum, 272 

 Ribes, 185, 205 ; Cynosbati, 242 ; rub- 

 rum, 242 

 Rinodina, 31 ; atra, 31 

 Robinia, 185 



Roestelia, 226, 252, 253 ; cornuta, 227 ; 



lacerata, 226 ; penicillata, 227, 241 

 Romell, L., Some fungi growing both 



on coniferous and deciduous trees, 



265 



Rorer, J. B., A bacterial disease of 



the peach, 23 

 Rostkovites, 4, 12; americanus, 12; 



granulatus, 11, 12, 13, 219, 275; 



hirtellus, 12, 14; subaureus, 13, 



14; subtomentosus, 154 

 Rubus, 185 



Rudbeckia laciniata, 229, 230, 251 

 Russula, 218 



Sabina monosperma, 208, 210 ; utah- 



ensis, 208, 210 

 Saccobolus, 105, 110; Kerverni, 110; 



violascens, 110 

 Salix, 179, 187, 191, 266; sp., 272 

 Sambucus, 185 ; canadensis, 233, 255 

 Saprolegnia, 262; ferax, 125 

 Sarcobatus, 235, 236 ; vermiculatus, 



235, 255 



Sarcoscypha, 104, 107; coccinea, 107; 



occidentalis, 108 

 Sassafras, 186 



Schedonnardus paniculatus, 231 

 Scirpus, 114; atrovirens, 234; cyperi- 

 nus, 234, 255 ; fluviatilis, 237, 255 ; 

 Scleroderma, 148 



Scoleconectria, 177, 197; Atkin- 

 sonii, 201; balsamea, 198, 200; 

 canadensis, 197, 199, 207; cocci- 

 cola, 197, 198; polythalama, 197, 

 200; scolecospora, 197, 198, 201 

 Scrophularia marylandica, 272 

 Seaver, F. J., Discomycetes of North 



