430 



INDEX TO VOLUME XLV 



[JUNE 



Organic substances, toxic action 271 

 Orthocarpus 65 

 Osm'undaceae, fossil 67 

 Osterhout, W. J, V. 117; work of i 

 Overton, J. B. 206; work of 305 

 Oxalis, embryo of 422 

 Oxybenzenes, toxic effect ^6 



P 



Palaeostachya, anatomy of 141 

 Pampanini, R., work of 347 



Parasite, alga 212; root 213; seed-plant 

 211 



Passiflora 65 



Paulseniella 282 



Peach blight, California 208 



Pearl, Raymond, work of 63 



Pearson, H. H. W. work of 213 



Peglera 65 



Pelagophycus 125; gigauteus 134] Porra 



134 

 Pemberton, J. D. 194 



Penhallow, D. P., personal 216; work of 

 352; ''North American gymnosperms" 



417 



Penicillium, carbon assimilation 176 



Percskiopsis 65 



Peronosporales 65 



Personal: Allen, C. E. 287; Allen, Ruth 

 F. 28S; Ames, O. 72; Bain, S. M. 344; 

 Bateson, W. 72; Baur, E. 288; Black- 

 man, F. F. 287; Blackman, V. H. 144; 

 Bohlin, K. 72; Bonnier, G. 360; Bre- 

 feld, O. 424; Britton, N. L. 72; Bur- 

 Imgame, L. L. 423; Castle, W. E. 344; 

 Chamberlain, C. J. 287, 424; Collins 

 F. S. 287; Copeland, E. B. 144; Coul- 

 ter, J. M. 424; Coupin, H. 360; Cowles, 

 H. C. 216; Curtis, C. C. 423; Darwin, 

 F. 287; Davenport, G. E. 287; Daven- 

 port, C. B. 344; Denniston, R. H. 288; 

 Detto, C. 72; Duggar, B. M. 216; El- 

 mer, A, D. E. 144; Errera, L. 423; 

 Farmer, J. B. 216; Fitting, H. 72; 

 Fox^vorthy, F. W. 144; Frye, T. C. 

 360; Fuller, G. D. 424; Ganong, W. 

 F. 216; Gates, R. R. 424; Goebel, K. 

 423; Green, J. R. 72; Gregory, R. P. 

 72; Gnffon, E. 360; Groom, P. 62: 



Mill, A. W. 72; Johnson, D. S. 216. 

 424; Johvette, H. D. M. 288; Tost, L 

 216; Juel, H. O. 423; Kellerman,W. 

 A. 144; Komicke, M. 287; Lagerheim, 

 Lr. 72; Lawson, A. A. 72; Lock, R. H 

 287; LjTnan, G. R. 424; Maxon, W. R. 

 424; ^^{assart, J. 423; McAllister, F. 288; 

 Mernll, E. D. 144; Migliorato, H. 42^ 

 Moore, G. F. 424; Morgan, A. P. 144! 



424; Nawaschin, S. 287; Nordstedt, 

 C. F. O. 287; Norton, J. B. 344; 

 Penhallow, D. P. 216; Richards, H. M 

 216; Roberts, H. F. 423; Robinson, 

 C. B. 144; Rose, J. N. 287; Rosen, F. 

 424; Rosenberg, O. 72; Sernander, R, 

 72; Seward, A. C. 216; Shattuck, 

 C. H. 424; Shaw, W. R. 144; Shreve, 

 F. 216; Snow, L. M, 423; Solms- 

 Laubach 216;. Spillman, W. J. 344; 

 Stickney, Malcom E. 424; Stokey, 

 Alma G. 423; Svedelius, N. 72; Thomas, 

 E. N. 423; Underwood, L. M. 144; 

 Viguier, R. 360; Warnstorf, C. 423; 

 Ward, W. J. 344; Weigel, T. O. 424; 



• Whitford, H. N. 144; Wylie, R. B. 

 360; York, H. H. 424 



Peucedanum 419 



Pfeffer's ''Schlafbewegungen" 273 



Pfitzer, E., work of 202 



Phenols, toxic effect 82 



Philippines, Bureau of Forestry 144; 

 forest reserve 205 



Photosynthesis, theory of 286 



Phototropism and perception of light 348 



Phlox 282 



Physiological constants 50 



Pilger, R., work of 347 



Piper, C. v., work of 65 



Plankton, alpine 143 



Plantago 282 



Plectritis 281 



Pleurophragma 65, 66 



Pollen, Lagenostoma 409; Sarracenia 31 



Pollination, and respiration 422 

 Polygonum, seed dispersal 71 

 Polymorphism of Hyixienomycetes 207 

 Polyporaceae 202 

 Polystely, in roots 352 

 Polytrichum, fertilization in 358 

 Pond, R. H. 232, 359; work of 71 

 Pontederiaceae, endosperm of 338 

 Porella, an abnormal 340 ' 

 Porsch, Otto, work of 215 

 Potamogcton 419 



Potassium cyanid and respiration 284 

 Potassium and magnesium, antagonistic 



action 117 

 Prain, D., work of 419 

 Priestley, J. H., work of 286 

 Pringsheim, E., work of 278 

 Pseudobalsamia 65 

 Pseudoliparis 419 

 Pseudopeziza 383 

 Pteridosperm, a new 359 

 Pyridin, toxic effect 81 



Q 



Queva, C, work of 214 



