INDEX 



615 



Musci (Mosses), grassland, 364 

 — , lithosere and, 327, 333 

 — , sand-dune, 371, 54S 

 — , soil accumulation and, 327 

 — , spore dispersal in, 125 

 — , torrent-inhabitinjj, 498 

 — , tropical swamp-forest forms, 462 

 — , xeromorphic, 434 

 Mushroom, see Agaricus (Psolliota) 

 campestris 



— rocks, 550 

 Mustard, 234, 261 

 Mutants, 206, 207, 220 

 Mutation, 166, 176, 204 

 Mycelium, 43, 44, 45 

 Mycetozoa, see Myxomycetes 

 Mycorrhiza, 46, 57, 72, 304, 305, 359 

 Mycorrhizal habit of forest trees, 46, 72 

 Myosotis alpestris agg. (Alpine Forget- 

 me-not), 204 



M. sylvatica (Wood Forget-me-not), 

 204 

 Myriophyllum (Water-milfoil), 503 

 Myristica (Nutmeg), 113, 261 

 Myrobalan, 274 

 Myrrh, 273 

 Myrtle, see Myrtus communis 



— wax, 266 



Myrtus communis (Myrtle), 355 

 Myxomatosis, 306 



Myxomycetes (Mycetozoa, Slime- 

 moulds), 41, 42, 43 



Naiad, see N^ains 



Naias (Bushy-pondweed, Naiad), 503, 



506 

 Naked ovule, 63 

 Name, scientific, 2^ 

 — , vernacular, 25 

 Nannoplankton, 480, 518 

 Nanophanerophyte, 94 

 Nansen, F., 491 

 Narcotic, 263, 264 

 Nard Sedge, see Carex nardina s.l. 

 Narrow-leafed Cattail, see Typha an- 

 gustifolia 



Labrador- tea, see Ledum palu- 



stre agg. 

 National Museum of Canada, xix 

 Native plants, competition with aliens, 



221 

 Natural area (range), 182, 215 



— bridges, 542, 547 



— distribution, 182 



— dyes, 274 



■ — grasslands, 359, 444 

 ■ — groupings of plants, 6 

 - — levees, 544, 555 



— selection, 176, 177, 220, 562, 563 



, competition and, 562 



Naturalization, 219-23 



Naturalized aliens, 219, 220 



Nauplii, 486 



Nautococcus, 483 



Near-desert areas, 364, 449-50, 451 



— East, crop plants original to, 253 

 Nebraska prairie, 361, 362 

 Nekton, 473 



Netumbium speciosum, see Nelumbo nuci- 



fera 

 Nelumbo nucifera {Nelumbium speciosum, 



Indian Lotus, Lotus, Sacred Lotus), 



no, 248, 504 

 Nematodes, 80, 250 

 Nematophytales, 132, 133, 145, 146 

 Neo-endemics, 205, 206 

 Neolithic culture, 254 

 Neotropical discontinuity, 194 

 Nepal, physiographic aspects in, 295 

 — , plants flowering at high altitudes in, 



412, 413 

 Nereia, 528 

 Nereocystis, 534 

 Neritic plankton, 474, 480, 514, 520 



— province, 511, 513, 514, 515 

 Neroli oil, 275 



Nervous afflictions, relief of, 264 

 Nest (nidus), 326, 327 



epiphyte, 432, 433 



Nesting-ground, 402 

 Net-plankton, 480 

 Neuropogon, 419 



N. melaxanthus, 421 

 Neuston, 483 

 Neve, 410, 411, 479, 490 

 New England, 306, 333, 377, 541 



— Guinea, 423, 470 

 , forest area of, 246 



— Hampshire, 210 



— Mexico, 84, 85, 229 



— species, formation of, 176 



— surfaces, 323, 551 



— York, 147 



— Zealand, 1 14, 194, 196, 420, 421 



, affinities of flora of, 167 



, aliens in, 119, 221 



— • — , Conifers of, 353 



, endemics of, 205 



, forests of, 247, 35i.. 352-4 



, glaciers and vegetation in, 162 



, grassland of, 360 



, Jurassic flora of, 149 



, marine benthos of, 535 



, rainfall distribution in, 376 



, weeds in, 249 



Newbigin, M. L, 20, 214, 378, 471 



Nezvlandia concentrica, 130, 1 3 1 



Niche, ecological, 321, 431 



Nichols, G. E., xviii 



Nicotiana tabacum {see also Tobacco), 



239, 266, 276 

 Nidus, 326 



