INDEX 
377 
Pericarp, 160 
Pericladium, 128, 324 
Pericycle, 16 
Periderm, 108 
Peridium, 220 
Peridolum, 227 
Perigone, 143 
Perithecia, 209, 214 
Permanent mounts, preparation of, 89 
Peronosporales, 199 
Petals, 145 
Petiole, 1 2 7-1 29 
Petroselini Radix, 325 
Petroselinum, 325 
Sativum, 325 
Peziza, 204 
repanda, 205 
Pezizales, 204 
Phaeophyceae, 192 
Phallales, 228 
Phanerogamia, 241 
Pharmaceutical Botany, defined, 2 
Phaseolus multifiorus, 73 
Phelloderm, 108 
Phloem, defined, 83 
internal, 107 
interxylary, 107 
intraxylarv, 107 
parenchyma, 69 
Phloroglucin, 66 
Phoenix, 248 
sylvestris, 46 
Photogens, 174 
Photosynthesis, 18 
defined, 116 
Phragmidiothrix, 177 
Phycocyanin, 62 
Phycoerythrin, 62 
Phycophaein, 62, 192 
Phycomycetes, 196 
Phycoxanthin, 192 
Phyllotaxy, 117, 118 
Physcia stellaris, 229 
Physiology, defined, 1 
Physostigma, 157, 169, 292 
Physostigma, venenosum, 292, 293 
Phytogeography, 1 
Phytoglobulins, 58 
Phytolacca, 272 
decandra, 271 
Phytopalaeontology, 2 
Phytopathology, 1 
Phytophthora, 199 
Picea, 243 
canadensis, 244 
mariana, 244 
rubra, 244 
Picrasma excelsa, 299, 300 
Pigments, 61 
Pileus, 213, 222 
Pilobolus, 196 
Pilocarpus, 298 
Jaborandi, 29S 
microphyllus, 298 
Pimenta, 323 
officinalis, 323 
Pimiento, 339 
Pimpinella, Anisum, 325 
magna, 325 
Saxifraga, 325 
Pinaceai, 243 
Pine Family, 243 
Stem, 25 
Pineapple, 64 
Pinenes, 60 
Pinites succinifer, 244 
Pinna, 239 
Pinnule, 239 
Pinus, 243 
alba, 244 
maritima, 244 
montana, 244 
palustris, 244 
sylvestris, 27, 84 
strobus, 24, 244 
Piperacete, 259 
Piper angustifolium, 260 
cubeba, 259 
methysticum, 260 
nigrum, 260 
