INDEX 



1061 



Nerine capensis, 942 

 Nettle, 882, 899 

 Neurospora sitophila, 337, 339 

 Nicotiana, 857 



— tabacum, gjy 

 Nidularia, 330, 331 

 Nitiobacter iL'inoiiiaihkyi, 358 

 Nitrosoinotias eiiropaea, 358 

 Nodes, 836, 861 



Nolina recurvota, 914 

 Nostoc, 107, 366, 410 



— reproduction, 107 

 Nostoc liuckia, 108 



— pimctiforme, 371 

 Nucellus, 640, 679 

 Nuclear di\ision, 19 



— membrane, 10, 27 



— reticulum, 10 



— sap, ID 



Nucleolar organizer, 23 

 Nucleolus, 10, 18 

 Nucleus, 10 



— description of, 17 

 Niiphar liitea, 933 

 Nutrilites, 339 

 Nutrition, 5 



— holophyt'c, 5, 6 



— holozoic, 5 

 Nymiphaea alba, 933 



— zatizibarensis, 1045 

 Nymphaeaceae, 920 



Oak, 841, 873, 990 

 Obiorie porttilacoides, 1021 

 Ocelli, 1009 

 Ochrea, 993 

 Ochroma lagopus, go^ 

 Oedogoniales, 82 

 Oedogonium, 83 



— asexual reproduction, 84 



— division of cells, 83 



— dwarf male forms, 85 



— nannandrous forms, 85 



— sexual reproduction, 85 

 Oedogonium concotenatum, 84 

 Oenanthe crocata, 812, <?/,? 

 Oidia, 312 



Olea, 1028 

 Oleocutic acid, 868 

 Olive tubercle, 355 

 Onion, 1040 

 Onobrychis, g54 

 Ontogeny, 846 

 Oogamy, 51 

 Oosphere, 29 

 Opercular cell, 530 

 Operculum, 425, 444 

 Opiiioglossum, 545 

 Opuntia, 837, 925, 1035 



— polyacantha, gsy 

 Orchidaceae, 985 

 Orchids, 943, 

 Orchil, 369 

 Orchis morio, 81 1 

 Orders, 38 



Organisms, living charateristics of, 2 

 Organs of reduced foliar type, 988 

 Ornithogalum, 1040 



Orobcmche, 818, 948 



— ramosa, g4g 

 Orthostichies, 986 

 Orthotropic organs, 837 



— shoots, 962 

 Osmosis, 15 

 Osmunda, 519 



— anatomy of leaf, 525 



of petiole, 524 



of root, 524 



of stem, 521 



— development of antheridium, 530 

 of archcgonium, 531 



of embryo, 531 



of sporangium, 527 



— gametophyte, 529 



— relationships, 532 

 Osmunda cinnamomea, 523, 527 



— gracile, :')2i 



— r eg a lis, 520 

 Osmundites kolbei, 532 

 Ovarj', 780 



Overtopping, 647, 648, 651, 653, 832 

 Ovuliferous axis, 740 



— scale, 676 

 Oxalis, 966, 996 



— acetosella, 1043 



— bilimhi, 997 



— ruscifolia, 995 



Paeonia corallina. 10 13 

 Palaeobotany, i 

 Palisade layer, 10 19 

 Palmate leaves, 950 



— venation, 960 

 Palmatifid leaves, 952 

 Palmatisect leaves, 952 

 Palmella stage, 61 

 Palms, 870, 978 

 Pondanus, 824 



— leram, 82^ 

 Pandorina, 63 



■ — - reproduction, 64 



Pandorina morum, 6j 



Papaver, 918, 952 



Paper Mulberry, 962 



Papyrus, 1019 



Paramylon, 53 



Paranucleus, 687 



Parasites, 6, 187 



Paraspore, 174 



Parastichies, 987 



Paratracheal parenchyma, 901 



Parenchyma, differentiation of, 453 



Parichnos, 599, 606 



Paripinnate leaf, 950 



Parsnip, 812 



Partial veil, 322 



Passage cells, 458, 801, 818 



Pasteur, Louis, 352 



Patent branches, 840 



Pavetta, 356 



Pavlychenko, 789 



Pea Klildew, 256 



Pear, 840 



Pedicularis sylvatica, 820 



Pelargonium, 955 



Pcllaca rotundifolia, 363 



