l66o 



INDEX 



Medullary bundles, 917 



— phloem, 886 



— rays, 901 



primary, 665, 854, 863, 885 



secondary, 863, 886 



Megaphyllous strobilus, evolution of, 641 



Megaphylly, 478, 649 



Megaphytism, 845 



Megasorus, 550 



Megasporangium, 579, 582, 583, 593, 600 



Megaspore, 547 



Meiosis, 29 



Melilotiis albus, root nodule in section, 360 



Melittis, 951 



Menispermurn canadefise , 862 



Mentha, 933 



Metiyanthes, 880 



MercKriolis perermis, 933, 935 



Meristele, 483 



Meristem, 449 



Meristematic ring, 854 



Merithallus, 653 



Meridiiis lachrymans, 317 



Mesarchy, 599 



Mesochiton, 142 



Mesome, 650, 656 



Mesophyll, 1000, 1019 



Metabolic nucleus, 19 



Metabolism, 3 



— of seaweeds, 185 

 Metachlamydeae, 782 

 Metachromatic granules, 105 

 Metaclepsydropsis duplex, 559 

 Metaphase, 20 

 Metaphloem, 858, 894 

 Metatracheal parenchyma, 901 

 Metaxylem, 483, 858,'859 

 Micellae, 12 



Micrococcus, 340 



Microcycos, 708, yog 



Microphylly, 478, 566, 649 



Micropyle, 680 



Microsorus, 550 



Microsphaera, 256, s^y 



Microsporangium, 579, 582, 593, 601, 674, 



720 

 Microspores, 547 

 Microsporophj'll, 674, 720 

 Middle lamella, 11, 27 

 Mimosa, 926 



— pudica, 1030 

 Mistletoe, 820, 875 

 Mitochondria, 10, 14, 16 

 Mitosis, 19 



Mixed pith, 532 



Mixtae, 481 



Mnium ; alternation of generations, 429 



— antheridium, 420 



— archegonium, 420 



— development of sporogonium, 422 



— sexual reproduction, 419 



— spore germination, 426 

 Mnium cuspidatum, 424 



— hornum, 416 

 Modifications of aerial shoots, 924 



— of underground shoots, 933 

 Moldenhawer, J. J. P., 784 

 Moneses grandiflora, 786 

 Monkey puzzle, 659 



Monoblepharidales, 217 

 Monoblepharis, 218 



— asexual reproduction, 218 



— antheridium, 219 



— oogonium, 220 



— oospore, 220 



— relationships, 222 



— sexual reproduction, 219 

 Monoblepharis polymorpha, 221, 222 



— sphaerica, 2ig 

 Monocarpic plants, 834 

 Monocotyledones, 48, 781, 782 

 Monoploid chromosome number, 29 

 Monoplont, 182 



Monopodial branching, 647, 838 

 Monotropa, 827 



— hypopitys, 786 

 Monoxylic stems, 714 

 Monstera deliciosa, 979, g8o 

 Moon-spit, 107 

 Moonwort, 539 

 Morchella esculenta, 268 

 Morgan, 35 



Morisia, 827 

 Morphology, i 

 Morison, Robert, 43 

 Mosaic viruses, 362, 363 

 Moss, Carragheen, 154 



— Irish, 1 54 

 Mousetail, 845 



Mucor ; asexual reproduction, 242 



— sexual reproduction, 243 

 Mucor hienialis, 245, 247, 336 



— nuicedo, 241 



— ramannianus, 336 



— stolonifer, 241 



— sylvaticus, 336 

 Mucorales, 241 

 Muehlenbeckia, 926 

 Multiseriate rays, 903 

 Musca domestica, 290 

 Musci, 47, 50, 415 

 Mutisia, 1037 



— ilicifolia, 1041 

 Mycelium, 187 

 Mycetozoa, 189, 341 

 Mycology, 2 

 Mycorrhizal association, 573 



in Agaricales, 319 



Myosurus, 845 



Myrica, 896 



MyriopJiyUuDi spicatum, 874 

 Myrsiphylluw, 925 

 Myrtus cotnnmnis, 1028 

 Myxamoebae, 189, 192, 195 

 Myxobacteriales, 349 

 Myxomycetales, 189 

 Myxophyceae, 105 



Narcissus, 941, 1040 

 — pseudo-narcissus, 942 

 Nasturtium, 797 

 Nathorstiana, 607 

 Nectary, 472, 505 

 Nectria, 281 

 Needles, 661 

 Nemalionales, 150 

 Neottia nidus-avis, 827, 935 



