632 



INDEX 



Megaspores, 385 

 Megasporophylls, 385 

 Melilotus lutea, 82 

 Melons, wilt of, 309 

 Membrane, limiting, 17 



nuclear, 186 

 Memory, physiological, 192 

 Mendel, Gregor, 549 

 Mendelism, 549 

 Meristem, 374 

 Mesophyll, 31 

 Metabolism, 90 

 Metachlamydeae, 456, 473 

 Metamorphism, 582 

 Micorhiza, ectotrophic, 336 



endotrophic, 337, 339 

 Microcycas, 411 

 Microsporangia, 385 

 Microspores, 385 

 Mid- vein, 37 



Migration of plant diseases, 312 

 Migrations, plant, 586 

 Mildew, downy, 292, 313 



powdery, 292, 295 

 Milk, souring of, 316 



"certified," 316 

 Milkweed, 475, 476, 477, 478 

 Mimosa, 468 



pudica, 122 

 Mimosoideae, 468 

 Mitosis, 184 

 Mohl, Hugo von, 15 

 Molds, 304 



sexuality in, 355 



sooty, 29s 

 Monocotyledons, 489 



and dicotyledons, 453 



origin of, 571, 608 



types of, 491 

 Monotropa, 473 



Hypopitys, 324 



uniflora, 323, 476 



Monotropaceas, 473 

 Moonworts, 175 

 Morchella esculenta, 289 

 Morphology, 4, 147 

 Mosses, true, 193, 204 

 Motherwort, 145 

 Mountain laurel, 474 



palm, 134 

 Mucor mucedo, 304 

 Mullein, 31, 130 

 Multiplication, vegetative, 163, 



179, 346, 3SI 

 Musa -sapientum, 26 

 Musci, 193 

 Mushrooms, 288 

 Mustard, white, 50, 133 

 Mutation theory to Darwinism, 



relation of, 537 

 value of, 537 

 Mutations, 530 

 Mutualism, 325, 328 

 Muricaceae, 83 

 Myrmecophytes, 327 

 Myxomycetes, 284, 285, 323 



N 



Nasturtium, 137 

 garden, 143 

 Nazia racemosa, 495 

 Neck, 169 

 Neck-canal, 170 

 Neck-canal-cell, 170 

 Nephrolepis, 163, 528 

 New Zealand raspberry, 28 

 Nicotiana Tabacum, 480, 545 

 Nightshade, 481 

 Nitrobacter, 83 

 Nitrogen cycle, 318, 319 

 Nitrosomonas, 82 

 Nodules, 83 

 Nomenclature, 4 

 Nostocj 21s, 333; 341 



