136 



Polygala cruciata, 112; nuttallii, 112; 



poyglania, 112; viridescens, 112 

 Polygona'tum biflorum, ill 

 Polygonella articulata, iii 

 Polygonum aviculare, 81 

 Polymnia Uvedalia, 47 

 Polypodium epiguum, 28; incanum, 



69; polypodioides, 49 

 Polyporus lucidus, 32; obliquus, 32; 



robiniophilus, 32 

 Polystictus abietinus, 32; cinnabari- 



nus, 32; cinnamomeus, 33; conna- 



tus, 32; hirsutus, 33; versicolor, 33 

 Polytrichum, 69 

 Pontederia sp., 46 

 Populusalba, 114; gra'ndidentata,iii; 



tremuloides, 11 1 

 Potamogeton heterophyllus, 80; na- 



tans, 80; pulcher, 80 

 Potentilla monspeliensis, 112; pumila, 



112 

 Proceedings of the Club, 18, 41, 62, 



86, 104, 122 

 Prunella vulgaris, 76 

 Prunus Avium, 47; Caroliniana, 49; 



cuneata, 16, iii; domestica, 76; 



maritima, 1 1 1 ; pumila, 16; serotina, 



49; susquehanae, 16 

 Pseudomonas campestris, 72 

 Psilopezzia Babingtonii, 30 

 Psilotum nudum, 49 

 Ptelea trifoliata, 47, 49 

 Pteris, 69 



Ptitium crista-castrensis, 34 

 Puccinea hieraciata, 78 

 Pupin, M. J. 22 

 Pyrenophora calvescens, 75 

 Pyronoma confluens, 30 



Quercus alba, 74, 78; coccifera, 43; 

 ilicifolia, 11 1; lusitanica, 43; mary- 

 landica, 11 1; Michauxii, 46, 49; 

 nigra, 46; prinoides, iii; Prinus, 

 73; Schneckii, 47, 49; stellata, 76, 

 III; velutina, 71, 73, iii; virgini- 

 ana, 49 



Radicula palustris, 1 1 1 



Raillardia scabra, 19 



Rajania Wrightii, 28 



Ralfsia clavata, 10 



Ramularia Brunellae, 75; Epilobii, 75 



Ranunculus asiaticus, 36; micran- 



thus, 81 

 Reid, Miss Mary E., 41 

 Rhexia virginica, 112 

 Rhipsalis subulata, 33 

 Rhizocarpon confervoideg, 79; pe- 



traea, 79 

 Rhizoclonium riparium, 9; tortuo- 



sum, 72 



Rhizomorpha subcorticalis, 79 

 Rhodites globuloides, 71; Nebulosus 



71; radicum, 71; rosaefolii, 71 

 Rhopographus clavisporus, 75 

 Rhus copallina, 82; copallina, 112; 



radicans, 40, 49; Toxicodendron, 



71. 75. 76;typhina, 82 

 Rhytisma monogramma, 72 

 Ribes curvatum, 50 

 Riccardia latifrons, 80; multifida, 80 

 Richards, H. M., 63 

 Rivularia nitida, 6 

 Robinia Pseudo-acacia, 74, 77 

 Rosa blanda, 71; Carolina, 71; En- 



glanteria, 15; palustris, 112; vir- 



giniana, 112 

 Rosellinia ligniaria, 75; subulata, 33 

 Rubus frondosus, 112; hispidus, 112; 



nigricans, 112; odoratus, 82; pro- 



cumbens, 112; rosaefolius, 19 

 Russula crustosa, 31; cyanoxantha, 



31; emetica, 33; roseipes, 31 

 Rydberg, P. A., Some Extinct or Lost 



and Rediscovered Plants, 96, 127 

 Rynchospora alba, no; capitellata, 



no 



Sagittaria latifolia, no 



Salix discolor, in; humilis, in; nigra, 



46; tristis, in 

 Salvinia preauriculata, 116; auricu- 



lata, 117; natans, 118 

 Sambucus canadensis, 74, 78, 113 

 Sanydra grandiflora, 28 

 Sanguisorba canadensis, 76 

 Sarothra gentianioides, 112 

 Sassafras variifolium, 114 

 Saunders, Miss Helen E., 20 

 Scenedesmus obliquus quadricauda, 9 

 Schizoxylon Berkeleyanum, ^2, 77 

 Schull, George H., 86 

 Scirpus americanus, no; cyperinus, 



no; debilis, no; nanus, 81 

 Scleria pauciflora, no 

 Sclerotinia fructigena, 33 

 Scutellaria galericulata, 73 

 Seaver, Fred J., Lister's Monograph 



of Mycetozoa, Review, 121 

 Selaginella stolonifera, 27 

 Selby, A. D., 104 

 Sepidonium chrysospermum, 33 

 Septogloeum Celtidis, 76 

 Septoriaampelina, 77; noctiflorae, 77; 



Radiculae, 77 

 Seriocarpus linifolius, 113 

 Shapiro, Sheppard, 124 

 Shrubs of Indiana, Charles C. Deam, 



Review, 15 

 Shternov, Valdimir A., 62 

 Siemensia pendula, 27 

 Simblum sphaerocephalum, 32 



