732 



INDEX. 



Marram grass, 592, 599 

 Marratiales, 295 

 Marsilia, 370, 6-25, 627 

 Marsiliaceae, 296 

 Marshes, alkaline, 563 

 Matoniaceae, 295 

 Meadow swamps, 607 

 Meadows, 561, 628 

 Medicago denticulata, 92 

 Medulla, 50 



Members of the flower, 335 

 Members of the plant, 349~353 

 Meristem, 359 

 Mesocarp, 450 

 Mesophytes, 483, 485, 493 

 Mesophytic structures, 492 

 Mesquite, 560 

 Microphytes, 621 

 Microsporangia, 294, 299 

 Microspore, 287, 290, 299, 312, 435 

 Micr<-i))rophylls^299, 320, 420 

 Migration, barriers to, 513; causes 



of, 506, 509-513; laws of, 497; 



lines of, 500 

 Milkweed, 462 

 Milkweed family, 710 

 Mimosa, 132, 396 

 Mimulus, 710 

 Mint family, 694, 710 

 Mistletoe, 84, 705 

 Mitchella, 711 

 Mixotrophic plants, 85 

 Mnium, 243-246 

 Molds, nutrition of, 86-90 

 Molds, water, 181 

 Monadelphous, 424 

 Monoblepharidales, 215 

 Monoblepharis, 215 

 Monocotyledons, 651-666, 702 

 Monoecious, 435 

 Monotropa uniflora, 709 

 Morchella, 198, 199 

 Morel, 198, 199 

 Morning-glories, 590, 710 

 Mosaics, 405 

 Moss tundra, 578 

 Mosses, 243-248, 457, 584, 653; 



absorption by, 25; classification of, 



248 



Mucor, 6, 7, 15, 118, 119, 177-180,215 

 Mucorales, 215 

 Mud swamp, 606 

 Mulberry, 704 

 Mullein, 366, 394, 710 



Mushrooms, 199-208, 552-555 

 Muskeag, 607 

 Mustard family, 676, 706 

 Mutation, 338 

 Mutualism, 95 

 Mycelium, 6, 86-90 

 Mycetozoa, 213, 214 

 Mycorhiza, 86, 91, 92, 217 

 Myosotis, 710 

 Myrica cerifera, 704 

 Myrica gale, 704 

 Myricales, 704 

 Myriophyllum, 403 

 Myrtales, 689, 708 

 Myxobacteriales, 165 

 Myxomycetes, 83, 213, 214 



Naiadaceae, 702 



Naiadales, 702 



Naias, 627, 702 



Nemalion, 171, 172, 175 



Nemalionales, 175 



Nepeta cataria, 695 



Nettle, 704 



Nicotiana, 710 



Nidulariales, 220 



Nitella, 8, 9, 176 



Nitrobacter, 83 



Nitrogen, 92, 93 



Nitromonas, 83 



Nostoc, 589 



Nostocaceae, 164 



Nucellus, 304 



Nucleus, 3, 4; morphology of, 340-345 



Nuphar advena, 627, 705 



Nutation, 123, 124 



Nymphaea odora.ta, 627, 705 



Oak, 669-671, 704 

 Oak family, 669, 704 

 Oases, warm, 581 

 CEdogoniaceae, 162 

 (Edogonium, 147-151, 350, 626 

 (Enothera biennis, 592, 690, 708 

 (Enothera gigas, 338 

 (Enothera lamarkiana, 338 

 Olpidium, 214, 215 

 Onagra biennis, 708 

 Onagraceae, 689, 708 

 Onoclea sensibilis, 254, 273-278 

 Oogonium; 144, 150, 155 

 Oomycetes, 214, 215 

 Ophioglossales, 295 

 Ophioglossum, 295 



