INDEX 
469 
Protoxylem, 127, 129, 143 
Prune, 209 
Prunum N. F., 340 
Prunus, 4 
amygdalus var. amara, 340 
cerasus, 91 
domestica, 340, 341 
serotina, 338 
virginiana, 6 
Pseudocarp, 202 
Pseudobulbs, 137 
Pseudomonas radicicola, 132 
Fig. of, 134 
Pseudopodia, 230 
Pseudotsuga mucronata, 295 
Ptelea, 350 
trifoliata, 351 
Pteridophyta, 287-292 
Pterocarpus marsupium, 344 
santalinus, 343 
Puccinia Graminis, 270 
Puff Balls, 278 
Pulsatilla, 327 
Pulvinus, 167 
Pumpkin, 400 
Punica, 371 
Granatum, 372 
Punicaceae, 371 
Purging Cassia, 6 
Purified Siliceous Earth, 239 
Putamen, 202 
Pycnanthemum Montanum, 397 
Pyrenoid, 235, 236 
Pyrenomycetales, 265 
Pyrethri Flores, 406 
Pyrethrum, 406 
Pyrola, 380 
Pyrus malus, 340 
Pyxis, 206 
Quassia, 351 
amara, 351 
Quercus N. F., 319 
alba, 316, 319 
Quercus, N. F., chrysolepis, 316 
garryana, 316 
infectoria, 317, 319 
michauxii, 316 
occidentalis, 316 
platanoides, 316 
prinus, 316 
Suber, 316 
velutina, 316 
virginica, 316 
Quillaja N. F., 338 
Saponaria, 338 
Quince, fruit of, 210 
Raceme, 179 
Rachis, 178 
Radicle, 121 
Ranales, 324 
Ranunculaceae, 324 
Ranunculus, 324 
Raphe, 197, 214 
Raphides, 86, 87 
Raspberry, 210 
fruit of, 210 
Receptacle, 183 
Receptacles of Fucus, 243, 244 
Regma, 205, 206 
Rejuvenescence, 71 
Reproduction, asexual, 70 
defined, 68, 70 
sexual, 70 
vegetative, 42 
Resin, micro-chemic test for, 93 
Resina, 295 
Resins, 92 
Resinogenous layer, 92 
Reserve cellulose, 98 
parenchyma, 103 
starches, 77-81 
Respiration, 155 
Rhamnales, 359 
Rhamnase, 96 
Rhamnose, 96 
