233 



Puccinellia distans, 213 

 Punctaria latifolia, 190 

 Pycnanthemum flexuosum, Kt ; laii- 



ceolatum, 30 ; muticuni, 76 

 Pylaiella litoralis, 189 

 Pyrola chlorantha, 8 

 Pyrus arbutifolia, 11; mains, 30; 



meianocarpa, 11 



Quercus, 2 ; palustris, 30 ; phellos, 



53 ; velutina, 30 

 Quick, Arthur Craig, Wild Flowers 



of the Northern States and 



Canada, review, 47 



Radicula palustris, 71 



Ranunculus abortivus, 30; acris, 71; 



bulbosus, 71 ; cymbalaria, 71 ; 



recurvatus, 179 ; septentrionalis, 



179 

 Raper, Kenneth B., 136 

 Raphanus raphanistrum, 71 

 Rapistrum rugosum, 83 

 RebouHa hemisphaerica, 176 

 Rehder, Alfred, Manual of Cultivated 



Trees and Shrubs, review, 170 

 Reif, Charles B, 99 

 Report of the Field Committee for 



the year 1939, John A. Small, 



49 

 Rhexia virginica, 74 

 Rhoades, Marcus M., 139 

 Rhodobryum roseum, 176 

 Rhododendron viscosum, 75 

 Rhodymenia palmata, 193 

 Rhus copallina, 12, \ glabra, 1Z, 176; 



toxicodendron, 30, 12> ; tvphina, 



Rickett, H. W., 27, 104, 137 



Riker, A. J, 184 



Riley, Herbert Parkes, 97 



Rinodina oreina, 129, 133 



Robbins, W. J., 62, 103, 104, 137 



Roberts, John W., 137 



Robinia pseudoacacia, 30, 72; vis- 



cosa, 72 

 Rocky Mountain Trees, Richard J. 



Preston, review, 210 



Rodda, J. L. and Rodda, Clara G., 

 Field trip of Oct. 29, 1939, 54 



Roddis, Louis Harry, 135 



Roever, William E., 56 



Rosa Carolina, 72, 216; humilis, 30; 

 rubiginosa, 11; rugosa, 72; vir- 

 giniana, 72 



Rubus argutus, 179; frondosus, 179; 

 hispidus, 30, 72; phoenicolasius, 

 178; strigosus, 216; villosus, 30 



Rudbeckia hirta, 80 



Ruehle, George Dewey, 99 



Rumex acetosa, 167 ; acetosella, 70 ; 

 crispus, 70 ; obtusifolius, 70 



Ruppia ahomola, 123 ; cirrhosa, 123 

 curvicarpa, 123; filifolia, 123 

 intermedia, 122; maritima, 122 

 pectinata, 123 ; obtusa, 123 ; occi- 

 dentalis, 123 ; taquetii,^ 123 ; zos- 

 teroides, 122 



Rynchospora alba, 68, 216 ; glome- 

 rata, 68 



Sabatia stellaris, 129 

 Saccharodendron nigrum, 179 

 Sagittaria latifolia, ()() 

 Salicornia ambigua, 70, 129 ; euro- 



paea, 70, 129 ; mucronata, 70 

 Salix alba, 166 ; discolor, 30 ; humilis, 



84 ; longifolia, 83 ; purpurea, 166 

 Salsola kali, 70 



Salvia lanceaefolia, 8 ; sylvestris, 16 

 Sambucus canadensis, 11 ; pubens, 



25 ; racemosa, 214 

 Saponaria officinalis, 70 

 Sargassum filipendula, 191 

 Sarracenia purpurea, 51, 181, 216 

 Sassafras officinale, 71 ; variifolium, 



71 

 Saurus cernuus, 102 

 Saxifraga saximontana, 168 

 Schellhammer, Fred M., 56 

 Schopfer, William Henri, 139 

 Schwarten, Mrs. Lazella, 27, 96 

 Scirpus americanus, 68 ; atrocinctus, 



215; cyperinus, 68; robustus, 68; 



validus, 68 

 Scleranthus annuus, 70 



