Papillz, 124 
Pappus, 266, 297 
Paprika, 598 
Papyrus, 618 
Paraguay Tea, 85 
Paraphyses, 356, 387, 388, 427 
Parasite, 362 
Parasites, facultative, 367 
obligate, 367 
Pareira, 162, 521 
Parenchyma, 116 
assimilation, 116 
border, 223, 224 
conducting, 117 
ordinary, 116 
palisade, 117, 222 | 
phloem, 117, 135 
reserve, 117 
sieve, 135 
spongy, 117, 223 
wood, 117 
Parietales, 562 
Parmelia, 414 
Parmelia perlata, Fig. of, 415 
Parsley Family, 118, 148, 243, 576 
Partridge Berry, 190, 605 
Pasque Flower, 518 
Passiflora, 266, 566 
incarnata, 566, 567 
Passifloracee, 566 
Passion Flower, 188, 567 
Passion Flower Family, 566 
Pasteur’s Solution, 382 
Pathogens, 364 
Pathology, 3 
Paullinia, 553, 554 
Paullinia Cupana, 554 
Paulownia, 599 
Paulownia imperialis, 599 
Payena, 101, 582 
Pea, 82, 240 
tendrils of, 189 
Pea Family, 536 
Peach, 301, 305, 534, 535 
Peachwood, 540 
Peanut, 301 
Pear, 535 
fruit of, 305 
pericarp of, 298 
INDEX 775 
Pear, stone cells of, 119, 120, 301 
Peat mosses, 425 
Pecan, 504 
Pectase, 102 
Pectinase, 102 
Pectose, 23 
Pedaliacea, 601 
Pedicel, 256 
Pedicularis, 599 
Peduncle, 256, 262 
Pelargonium, 301, 541 
capitatum, 542 
odoratissimum, 542 
Radula, 542 
Pellaa, 435 
Pelletierinz Tannas, 571 
Pengawar Djambi, 435 
Penicillium, 388 
brevicaule, 391 
camemberti, 390, 391 
expansum, 391 
glaucum, 388 
roqueforti, 389, 390 
Pentosides, 84 
Pentstemon, 600 
stamens of, 275 
Peony, 518 
Fig. of flower, 284 
Pepo, 305, 608 
Pepper, Black, 499 
Red, 597 
Pepper Family, 499 
Peppermint, 594 
Pepsin, 103 
Perennial plants, 163 
Pereskia, 567, 568 
Perianth, 262, 266 
forms of, 270 
outgrowths of, 274 
Periblem, 113 
Pericambium, 56, 131 
Pericarp, 297 
Pericladium, 243, 576 
Pericycle, 56, 63, 131 
Pericyclic fibers, 122, 131 
Periderm, defined, 207 
Peridiolum, 411 
Peridium, 401, 410 
