io62 



INDEX 



Pellia ; alternation of generations, 398 



— antheridium, 392 



— archegonium, 393 



— reproduction, 392 



— sporogonium, 395 

 Pellia epiphylla, 490 

 Peltate leaves, 952 



Peltigera ; sexual reproduction, 372 

 Peltigeia catiina, 369 

 Pelvetio, 144 



— canaliciilata, 184 

 Penicillin, 252 

 PeniciUium camembertii, 2jo 



— notatum, 252, 357 

 Peperomia, 1044 

 Perennation of seaweeds, 186 

 Perennial Sunflower, 937 

 Perennials, 834 



Perfoliate leaves, 950 

 Perforations, 508 

 Perianth, 405, 780 

 Periblem, 451, 794 

 Pericaulome theor^^ 653 

 Pericycle, 791, 802, 863, 883 

 Periderm, 668, 810, 863, 875, 878 

 Peridiolum, 330, 331 

 Peridium, 260, 331 

 Periphloic bundles, 887 

 Periplasm, 231, 238 

 Peristome, 425 

 Perithecium, 249 

 Perixylic bundles, 887 

 Permanent tissues, 449, 848 

 Peronospora, 227 



— asexual reproduction, 228 



— sexual reproduction, 230 

 Peronospora cheiranthi, 228, 22g 



— parasitica, 228, 22g, 231, 234 

 Peronosporales, 222 

 Persoon, C. H., 45 

 Persoonia jiiiiiperina, 454 

 Petiole, 950, 978, 1028 



Petri dish, 354 



Peziza ; asexual reproduction, 266 



— hymenium, 266 



— sexual reproduction, 266 

 Peziza vesiculosa, 265 

 Pezizales, 260 

 Phacidiales, 270 

 Phaeophyceae, 46, 49, 52, iii 



— orders of, 1 1 1 

 Pliajus grandiflorus, 476 



Phallus, development of sporophore, 333 



— impudicus, 333 

 Pharmacognosy, 2 

 Phaseolus tnultifJorus, 409, 4^6 

 Phellem, 458, 810, 863, 875 

 Phelloderm, 863, 878 

 Phellogen, 668, 810, 863, 875 

 Phellonic acid, 877 



Phloem and Xylem strands, separate, 917 



— fibres, 894 



— islands, 922 



— parenchyma, 468 

 Phloeoterma, 883 

 Phlyctidium brevipes, 203 

 Phlyctochytrium vernale, 203 

 Phormium tenax, 914, 5/5 

 Phragmites, 951 



Phragmites, communis, 800 



Phragmoplast, 27 



Phyads, 949 



Phycocyanin, 105, 150 



Phycoerythrin, 150 



Phycomycetes, 47, 49, 187, 188, 200 



Phylacium majus, ggo 



Phyllactinia, 256, 257 



Phyllanthus, 926 



Phylloclade, 924 



Phyllode, 994 



Phylloglossum, 576 



Phylloids, 650, 656 



— and phyllomes, relationships of, 652 

 Phyllome, 682, 656, 832 

 Phyllopodium, 653, 978 

 Phylloptosis, 750, 1033 

 Phyllosiphony, 566, 649, 948 

 Phyllospory, 581 



Phyllotaxis, 982 

 Phylogeny, i 

 Phylum, 5, 38 

 Physcia ciliaris, 372 



— pulverulent a, 372 

 Physiology, 2 

 Phytolacca dioica, 921 

 Phytonic ideas, 648 



— theories of the shoot, 653 

 Phytonism, 832 



Ph}tons, 653 



Picea, 659 



Pileus, 323, 333, 335 



Piliferous layer, 670, 791, 797 



Pin Mould, "241 



Pines, 657 



Pinnae, 483 



Pinnate leaves, 950 



— venation, 960 

 Pinnatifid leaves, 952 

 Pinnatisect leaves, 952 

 Pinnularia ; frustule, 146 



— girdle band, 146 



— raphe, 146 



— reproduction, 146 



— valves, 146 

 Pifinularia major, 146 



— nobilis, 146 



— viridis, 147 

 Pinnules, 952 

 Pinus, 963, 1023 



— alternation of generations, 693 



— anatomy of leaf, 671 



of root, 670 



of stem, 662 



— embryogeny, 688 



— female cone, 676 

 gametophyte, 681 



— fertilization, 687 



— germination, 690 



— male cone, 674 

 gametophyte, 681 



— pollination, 680 



— relationships and phylogeny, 694 



— reproductive organs, 673 

 Pinus monophylla, 947 



— pinea, 454 



— sylvestris, 474, 659 

 Piperaceae, 917 

 Piper clusii, gt8 



