Ind 



ex 



473 



Long Moss, 456 

 Lotus, 394 

 Lubbock, 315 



Machinery of photosynthesis, 36, 37; of 

 respiration, 89; of absorption, 169; 356 



Macrocystis, 445 



Madder, 119 



Malaria, 201 



Male, meaning of, 291 



Malpighi, 158 



Manuals, 2 



Manufacture of sugar, 35 



Maple, sugar, 108; fruits, 388 



Margins of leaves, 59 



Maturation, 327, 345 



Mechanical causation, vi, 65 ; responses, 

 245 



Mechanism, viii, 13 



Medullary rays, 222, 365 



Membranes, natiu-e of, 173, 176, dia- 

 grams of, 177 



Mendel, 295; his Law, 295; diagram, 297; 

 work, 417; in evolution, 422, 439 



Meristem, 340, 362 



Mesophytes, 464 



Metabolism, 105, 145 ^i, 



ISIethods of study, 1 



Micella?, explained, 146, 176; diagrams 

 of, 177 



Microbes, 451 



Micropyle, 281 



Mildews, 273, 451 



Mimicry, 275, 399 



Mind, in research, 10 



Minerals, in photosjTithesis, 48; in plants, 

 134, 136; absorption by plants, 189; 

 as excretions, 212 



Mistletoe, 397, 453 



Mitochondria, 159 



IMobility, 145 



Mohl, H. von, 156, 158, 159 



Molds, 273, 451 



Molecular vs. molar forces, 194 



Molecules, 175 



Monocotyledons, 461 



Monstrosities, 357, 373, 375, 436 



Morphine, 125 



Morphology, defined, 2, 67; vs. ecology', 



73; diagram, 74; 404 

 Mosses, 454 

 Moss-plants, 454 

 Moth, pollinator, 314 

 Mucilage; 157; on seeds, 396, 400 

 Mucilaginous modification, 113 

 Muehlenbeckia, 71 

 Muller, 314 

 Multiplication, 301 

 Mummj^ seeds, 355 

 Muscarine, 125 

 Mushrooms, 451 

 Mutants, 419, 432 

 Mutation, explained, 419 

 Mycelia, 381, 4.52 



Mycorhiza; ab.sorption by, 193; 451 

 Myrmecophila, 464 



Nastic movements, 252 



Natural History of Plants, 3 



Natural Selection, 257; explained, 406 



Navel oranges, 375, 436 



Nectar, use, 309; 322; glands, 310 



Nectaries, extra-floral, 325 



Nectarines, 436 



Nelumbium, 395 



Nepenthes,69 



New organs, origin, 73 



Nicotine, 125 



Nitrification of soils, 121, 123 



Nitrifying Bacteria, 122, 123 



Nitrogen; assimilates, 106, 120; in at- 

 mosphere, 120; in plants, 120; ex- 

 cretion, 125; activity, 126 



Nodes, explained, 61, 381 



Nodules of Leguminosa>, 123, 124 



Non-adaptive features, 13 



Non-green plants, 17 



Nucleo-proteins, 127 



Nucleolus, 150 



Nucleus, structure, 142; 150 



Oak tree, 52 



Observation, use of, 18, 31 



Odor, in flowers, 321 ; vs. color, 322 



CEdema, 186 



ffinothera Lamarckiana, 418, 419, 423 



