262 



INDEX 



Monophyletic hypothesis, 237 

 Moms alba, 163 

 Moss-roses, 113 

 Mt. Gedeh, 174 

 Mt. Washington, 158 

 Mucor, 51 



hermaphroditic, 52 

 Multiplication, vegetative, 16 

 Mutant, in 



Mutation and discontinuous dis- 

 tribution, 1 66 



examples of, in 



Mutation theory to Darwinism, 

 Relation of, 118 



value of the, 120 

 Mutations, no 



Nageli, 74, 76 

 Naudin, 120 

 N dumbo, 171 



In tea, 171 



nucifeta, 171 

 Nepenthes ampullaria, 145 



phyllamorpha, 147 

 Nephrodium filix-mas, 95 

 Nephrolepis, 16, 109 

 Nice, 144 



Nicotiana tabacum, 51 

 Nolothylus orbiculari s, 126 

 Nymphaeaceae, 171 

 Nymphaea mexicana, 179 



Oak, 103 



Objections, difficulties and, 97 



Ocnothera biennis, 115 



breilstylls, 115, 116 



gigas, 117, 167 



laevifotia, 116, 167 



Lamarckiana, 109, 114 

 115, n6, 167 



nanella, 109 



scintillans, 167 



Onoclea, 24, 156 

 Ontogeny, 83, 136 



evidence from comparative, 



126 



Oosperm, 25, 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 

 Osmwida, 169, 204 



Claytoniana, 5, 13, 126 



cinnamomea, 12, 154 



Japonica, 154 



regalis, 154 

 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, 185 

 Phaseolus vulgaris, 105 

 Phleum alpinum, 162 

 Phoradendron flavescens, 96 

 Photosynthesis, 8 

 Phy salts Alkekengi, 50, 51 

 Phycomycetes, 80 

 Phyllitis, 9 

 Phylogeny, 83 

 Phymatodes, 7 

 Pinguicula caudala, 227 



vulgaris, 226, 227 



