262 



INDEX 



Monophyletic hypothesis, 237 

 Morus alba, 163 

 Moss-roses, 113 

 Mt. Gedeh, 174 

 Mt. Washington, 158 

 Mucor, SI 



hermaphroditic, 52 

 Multiplication, vegetative, 16 

 Mutant, III 



Mutation and discontinuous dis- 

 tribution, 166 



examples of, iii 

 Mutation theory to Darwinism, 

 Relation of, 118 



value of the, 120 

 Mutations, no 



Nageli, 74, 76 

 Naudin, 120 

 Nelumho, 171 



lutea, 171 



nucifera, 171 

 Nepenthes ampuUaria, 14s 



phyllamorpha, 147 

 Nephrodium filix-mas, g$ 

 Nephrolepis, 16, 109 

 Nice, 144 



Nicotiana tabacum, 51 

 Notothylus orbicularis, 126 

 Nymphaeaceae, 171 

 Nymphaea mexicana, 179 



Oak, 103 



Objections, difficulties and, 97 



Oenothera biennis, 115 



breiiistylis, 115, 116 



gigas, 117, 167 



laevifolia, 116, 167 



Lamarckiana, 109, 114 

 IIS, 116, 167 



nanella, 109 



scintillans, 167 



Onoclea, 24, is6 

 Ontogeny, 83, 136 



evidence from comparative, 

 126 

 Oosperm, 2s, 33 

 Oospore, 25 



Ophioglossum pendulum, 126 

 Orchid, seed capsule and seeds of 



an, 172 

 Orchidaceae, 171 

 Organs, origin of vegetative, 131 

 Orton, W. A., 72 

 Osmunda, 169, 204 



Claytoniana, 5, 13, 126 



cinnamomea, 12, 154 



Japonica, iS4 



regoKs, iS4 

 Osmundacea, 139 



Paleobotany, the scope of, 183 



Paleogeography, 190 



Palisade layer, 8 



Pangens, 74 



Papaver Rhoeas, 222 



Paulownia, 163 



Pea, edible, 61 



Peak of Teneriffe, 161 



Pendulun, illustration of the, 



no 

 Petrifaction, 183 

 Petrifactions, i8s 

 Phaseolus vtdgaris, 105 

 Phleum alpinum, 162 

 Phoradendron flavescens, 96 

 Photosynthesis, 8 

 PhysaUs Alkekengi, $0, $1 

 Phycomycetes, 80 

 Phyllitis, 9 

 Phylogeny, 83 

 Phymatodes, 7 

 Pinguictda caudata, 227 



vulgaris, 226, 227 



