164 



Proceedings of the Club, 23, 52, 78, 



103, 153 

 Proserpinaca pectinata, 48 

 Prosopis chilensis, 36 

 Prunella vulgaris, 34 

 Prunus maritima, 145; pennsyl- 



vanica, 151; serotina, 112 

 Psidium guajava, 33 

 Pteridium aquilina, 141 

 Pterocaulon undulatum, 134 

 Ptilidium pulcherrimum, 18, 22 

 Pyrola americana, 102 



Quercus alba, 112; borealis, 99; 

 Canbyi, 121; Chapmani, 134; 

 coccinea, 112; geminata, 134; 

 graciliformis, 119; ilicifolia, 101, 

 112, 114; maxima, 99; parvilo- 

 bata, 121; prinoides, 112, 114; 

 robusta, 119; rubra, 99; Shumar- 

 dii, 99; stellata, 112; texarta, 

 119; velutina, 112 



Raska, Clara, 52 

 Rau, Eugene A., 23 

 Rautenstrauch, Mrs. Walter, 78 

 Retinodiplosis taxodii, 88 

 Rhexia virginica, 123 

 Rhizophora Mangle, 137 

 Rhododendron maximum, 22 

 Rhus copallina, 112, 114, 146; glabra, 



112, 146; radicans, 108 

 Rhynchospora glomerata, 123 

 Riccia fluitans, 124 

 Ricciocarpus natans, 11 

 Richey, Frederick D., 128 

 Rinodina oreina, 20, 96 

 Robertiella Robertiana, 141, 145 

 Robinia Pseudo-acacia, 112 

 Roerich, Nicholas, 126 

 Rogers, Walter E., 78 

 Rosa rugosa, 141, 145; virginiana, 



139, 145 

 Rosellinia Sordaria, 5 

 Rubus procumbens, 145 

 Rumex acetosella, 34; crispus, 34 

 Ruppia maritima, 142 



Rusby, Henry H., 103; Jungle Mem- 

 ories, review, 17 



Rusk, Hester M., 104; Field trip of 

 May 20, 100 



Russell, Harriet E., 104 



Ryerson, Knowles A., 128 



Sabal Palmetto, 131 



Sabbatia stellaris, 147 



Sagittata lancefolia, 136 



Salicornia ambigua, 144; Bigelovii, 



144; europaea, 144 

 Salix cordata, 112, 114; nigra, 108; 



pentandra, 112, 114 

 Salsola Kali, 144 

 Samanea saman, 35 

 Sambucus canadensis, 108, 148 

 Samolus floribundus, 147 

 Sanicula marylandica, 146 

 Sarothra gentianoides, 146 

 Sarracenia purpurea, 151 

 Sassafras Sassafras, 144; variifolium, 



112 

 Savastana odorata, 142 

 Saxifraga pennsylvanica, 102 

 Scapania nemorosa, 18 

 Schinus terebinthifolius, 35 

 Schizachyrium scoparium, 142; lit- 



torale, 142 

 Scirpus americanus, 124, 143; nanus, 



143 ; robustus, 124, 143 

 Scleropsis uniflora, 150 

 Scott, Dr. Flora Murray, 125 

 Scrophularia leporella, 148 

 Selaginella rupestris, 141 

 Senecio lobatus, 118 

 Serenoa repens, 134 

 Sericocarpus asteroides, 148 

 Shantz, H. D., 26 

 Shive,JohnW.,78 

 Silene antirrhina, 144; caroliniana, 



144 

 Sinnott, Edmund W., 78 

 Small, John K., 103 

 Smilacina racemosa, 112; stellata, 143 

 Smith, William H., 104 

 Smilax herbacea, 143; rotundifolia, 



143 



