164 



Newman, Mabel E., 74 



News Notes, 24, 51, 75, 109, 131, 158 



Nicholson, Zaida, 20, 50 



Norta altissima, 90 



Nuphar advena, 92 



Nymphozanthus advena, 130 



Nyssa sylvatica, 72 



Obolaria virginica, 90 



Oenothera argillicola, 12; fruticosa 



differta, 12 

 Ophioglossum vulgatum, 106 

 Opuntia calcicola, 11; compressa, 93; 



Rafinesquii, 155 

 Ornithogallum umbellatum, 89 

 Orontium aquaticum, 91, 101, 130 

 Osmunda cinnamomea incisa, 2 



Paladino, Francis John, 50 



Panax quinquifolium, 91; trifolium, 



103 

 Panicularia nervata major, 9 

 Parmelia Cladonia, 153 

 Pastinaca sativa, 90 

 Paulownia tomentosa, 48 

 Pedicularis lanceolata, 92 

 Pellaea atropurpurea, 129 

 Pennell, Francis W., The Scrophu- 



lariaceae of eastern temperate 



America, review, 41 

 Penstemon centhranthifolius, 28 

 Penthorum sedoides, 92 

 Perularia flava, 90 

 Phleum pratense, 6, 86 

 Phlox Brittonii, 12; Buckleyi, 12 



linearifolia, 94; longifolia, 94 



longifolia var. linearifolia, 97 



longifolia var. puberula, 98 



paniculata, 89; speciosa, 94 

 Phragmites maximus Berlandieri, 93 

 Pine and cherr>' from the Calvert 



Miocene, Edward W. Berr\', 124 

 Pinus collinsi, 125; rigida, 17; 



Strobus, 48 

 Piper nigrum, 114 

 Plant records from southwestern New 



York, Irving William Knobloch, 



1 



Plant suitable for classroom demon- 

 stration of growth, A, Const. J. 

 Alexopoulos, 3 



Plantago halophila, 93; lanceolata, 

 80, 86; major, 81; Rugelli, 81 



Pleuropterus cuspidatus, 89 



Poa annua, 79; compressa depau- 

 perata, 9 



Pogogne zizyphoroides, 27 



Pogonia ophoglossoides, 150 



Pollen in hayfever, R. P. Wode- 

 house, 77, 109 



Polygala lutea, 155; polygama, 150; 

 sanguinea albiflora, 11 



Polygonatum pubescens, 130 



Polygonella articulata, 156 



Polygonum persicaria albiflora, 10 



Polypodium virginianum cambri- 

 coides, 8; virginianum deltoid- 

 eum, 1; vulgare biserrata, 6; 

 vulgare deceptum, 8 



Populus tremuloides, 114 



Portulaca grandiflora, 86; oleraceae, 

 90 



Potamogeton diversifolius, 92 ; pusil- 

 lus, 92 



Poterium Sanguisorba, 89 



Pratt, R., 50; Deuterium and living 

 organisms, 133 



Preston, John F., 76 



Proceedings of the Club, 19, 49, 74, 

 107, 156 



Proserpinaca pectinata, 155 



Prunella vulgaris, 90 



Prunus avium 48, 90; calvertensis, 

 126; serrulata, 48 



Pseudotaenidia montana, 12 



Purdy, Maude, 50 



Pycnanthemum flexuosum, 16; vir- 

 ginianum, 16 



Pvrus americana, 153; communis, 89 



Quercusalba, 86; borealis, 139;borea- 

 lis var. fiabellata, 141; falcata, 

 17; ilicifolia, 17; marilandica, 17; 

 phellos, 17; Richteri, 141; rubra, 

 130 



