400 



INDEX 



Penium, 333 

 Pentaphyllaceae, 371 

 Pentstemon, 306 

 Peppermint oil, 144 

 Pepsins, 153 

 Perianth, 274, 284 

 Periblem, 44 

 Pericarp, 175, 208 

 Peridium, 228 

 Perisporiaceae, 344 

 Perisporiales, 220, 343 

 Peristome, 252 

 Perithecia, 215 

 Peronospora, 188, 335 

 Peronosporaceae, 187, 335 

 Peronosporales, 335 

 Peroxidases, 153 

 Perseite, 142 

 Pertusaria, 340 

 Pertusariaceae, 340 

 Pestalozzia, 348 

 Petals, 286 

 Petticoat Mosses, 252 

 Petunia, 304, 366 

 Peziza, 216, 342 

 Pezizaceae, 342 

 Pezizales, 216, 341 

 Phacelia, 366 

 Phacidiaoeae, 341 

 Phacidiales, 341 

 Phacidium, 341 

 Phaeophyceae, 199, 366 

 Phaeosporeae, 336 

 Phalarideae, 359 

 Phalaris, 359 

 Phallaceae, 345 

 Phallales, 228, 345 

 Phascum, 350 

 Phaseolus, 314, 369 

 Phellonic acid, 155 

 Philadelphus, 369 

 Philydraceae, 358 

 Phloem, 55 

 Phloeonic acid, 155 

 Phlox, 304, 366 

 Phoenix, 358 

 Phoradendron, 371 

 Phosphoric acid, 139 

 Photonasty, 124 

 Photosynthesis, 84 

 Phototaxy, 119 



Phototropism, 124 

 Phragmidium, 235, 347 

 Phrymaceae, 367 

 Phycobacteriaceae, 331 

 Phycocyanin, 156, 163, 205 

 Phycoerythrin, 156, 205 

 Phycomyceteae, 185, 335 

 Phycophaein, 156, 199 

 Phyla, 159, 327 

 Phylogeny, 114, 157 

 Phylogeny of Fungi, 240 

 Phyllaohora, 343 

 Phyllactinia, 225 

 Phyllocladaceae, 356 

 Phyllocladus, 356 

 Phyllopsoraceae, 340 

 Phyllopyreniaceae, 343 

 Phyllosiphon, 334 

 Phyllosiphonaceae, 334 

 Phyllosticta, 239, 347 

 Physalis, 366 

 Physcia, 216, 341 

 Physciaceae, 341 

 Physcomitrium, 350 

 "Physiological Diseases," 134 

 Physiology, 71 

 Physma, 340 

 Phytolaccaceae, 364 

 Phytqphthora, 188, 335 

 Picea, 281, 356 

 Pigments, 155 

 Pigweeds, 326 

 Pilacraceae, 346 

 PiloboluB, 335 

 Pilocarpaceae, 340 

 Pilotrichaceae, 351 

 Pilularia, 353 

 Pimenta, 370 

 Pinene, 144 

 Pines, 281, 356 

 Pinks, 303, 364 

 Pinoideae, 355 

 Pinus, 279, 281, 356 

 Piperaceae, 361 

 Piperin, 149 

 Piptocephalidaceae, 335 

 Piptocephalis, 335 

 Pirolaceae, 365 

 Pirus, 313, 368 

 Pistillaria, 346 

 PistUs, 284 



