279 



Phytolacca decandra, 196 



Phytophthora, 37 



Picea, 2, 254; Engelmannii, 4, 6, 7; 



mariana, 79; pungens, 4, 6, 7; rubens, 



79; Webbiana, 255 

 Pickett, F. L., 83 

 Piereskia, 192 

 Pinaceae, 2, 206 

 Pinguicula, 58 

 Pinus, 2, 244; albicaulis, 2-4; aristata, 



2, 3; edulis, 5; excelsa, 255; flexilis 



2-4; longifolia, 254; monophylla, 2-5; 



monophylla edulis, 2-6; Murrayana, 



2-6; ponderosa, 2-6; scopulorum, 6; 



Strobus, 25; virginiana, 138 

 Piper, 126; Betle, 165; haenkeanum, 



179; rufinerve, 179 

 Piper, C. v., David Douglas's Journal 



(Review), 136 

 Pistia stratiotes, 142 

 Pisum, 108 



Pithecolobium dulce, 143 

 Pitz, W., 184 

 Plant World, 115 

 Plantago major, 97 

 Platanales, 207 

 Platanus occidentalis, 207; orientalis, 



178, 2SS 

 Platisma, 213 



Platycerium, 191; coronarium, 191 

 Platyphyllum, 213 

 Platysma, 213; Richardsonii, 225; sae- 



pincolum, 214, 219 

 Pleistocene Plants from Indian Head, 



Maryland, 205 

 Plumiera acutifolia, 192 

 Poa debilis, 23 

 Podophyllum peltatum, 182 

 Polycodium stamineum, 79 

 Polygonum acre, 97; filiforme, 97; 



virginianum, 97 

 Polytrichum, 158 

 Pool, R. J., 116, 183 

 Populus alba, 258; balsamifera, 258; 



Euphratica, 258 

 Porte, W. S., 138 

 Portulaca oleracea, 196 

 Potentilla pulchella, 154 

 Pothos, 125 

 Pottiaceae, 66 

 Pottiella, 66 

 Priestly, J. H., 91 

 Primula angustifolia, 204; mucronata, 



204; parryi, 204 

 Pringsheimia, 46 

 Proceedings of the Club, 35, 56, 82, 112, 



156, 158, 182, 267 

 Proposed Ecological Society, A, 245 

 Prunus Padus, 254, 255; yeddoensis, 95 

 Pseudoscinaia, 135 



Pseudotsuga, 2; taxifolia, 4, 8 



Psilotum, 191 



Puccinia Cenchri, 265; Chaseana, 264; 



Chloridis, 262; Deschampsiae, 261; 



dolosa, 262; Leptochloae, 260, 263; 



subnitens, 86, 261, 262; substriata, 



262; unica, 260, 263; Xanthii, 85 

 Punica granatum, 254 



Quensel, J. J. T., 212 



Quercus, 96, 254; ilicifolia, 11 1; im- 



bricaria, iii; macrocarpa, iii; 



marylandica, 141; Michauxii, 207; 



Muhlenbergii, iii; palustris, 207; 



prinoides, 11 1 



Raimannia laciniata, 80 



Raines, M. A., 37, 57 



Ramalina, 214 



Ranales, 208 



Rand, F. V., 114 



Ranunculus nivalis, 154 



Raphia pedunculata, 195 



Ratibida, 15 



Rattan, V., death of, 60 



Ravn, F. K., 184 



Reed, E. L., Drosera annua sp. nov., 246 



Reed, H. S., 116 



Reichert, E. W., 249 



Relation of Sunshine to the Habitat of 



Rottboellia exaltata (Poaceae), 209 

 Relationship between Roestelia trans- 



formans and R. Botryapites, 133 

 Reviews, 29, 46, 74, 106, 134, 155, 181, 



209 

 Revue Bryologique, 267 

 Rhododendron maximum, 79 

 Rhus copallina, 96; semialata, 96; 



vernix, 25 

 Ribes, 40 



Richards, H. M., 84 

 Roestelia Botryapites, 133; transfor- 



mans, 133, 134, 268 

 Rolandra septans, 106 

 Roridula, 58 

 Rosa meleina, loi; nutkana, loi; 



gymnocarpa, 105; Webbiana, 258 

 Rose, J. N., 249 

 Rosenvingea Sanctae-Crucis, 48 

 Rottboellia exaltata, 209 

 Rubus canadensis, 182 

 Rudbeckia, 15 

 Russula delica, 247, 248; foetans, 248 



Sabbatia campestris, 247 



Saccharum spontaneum, 118, 139 



Salix, 40 



Sanicula trifoliata, 79 



Sanseviera, 239 



Saponaria Vaccaria, 255 



