466 



INDEX. 



Lichens, 237-241 



Licmophora, 149 



Light, 4, 13-14, 17, 28, 32, 36, 55, 88 



Liliales, 381 



Lily, fawn, 381, 382 



Lily order, 381 



Linaria, 446 



Linin, 48 



Linnaea, 449 



Liverworts, 244 



horned, 264 

 Living substance, 1-6 

 Livingston, 163 

 Lobelia, 451 

 Lodicules, 374, 376 

 Lomentum, 423 

 Loosestrife, 441 

 Lycogala, 135 

 Lycoperdales, 234 

 Lycoperdon, 234 

 Lycopodiaceae, 311 

 Lycopodiales, 309 

 Lycopodium, 310, 311, 313 

 Lythrum, 429, 430 



t 



MacDougal, 128 

 Macrocystis, 184 

 Madder order, 448 

 Maple, 424, 426 

 Marchantia, 247, 255-260 

 Marchantiales, 244 

 Mechanical structure, 63, 69 

 Medullary ray, 77, 79 

 Megasporangia, 316, 324, 347 

 Megaspore, 103, 104, 308, 316 

 Megasporophyll, 103, 316, 322, 347 

 Melandryum, 350 

 Melosira, 149 

 Mendel, 127 

 Mesophyll, 9, 10 

 Mesophytes, 35 

 Micropyle, 103, 104, 323 

 Microsphaera, 214 

 Microsporangia, 316, 347 

 Microspore, 102, 308, 316, 317 



germination of, 107, 108, 307, 

 317, 326, 337 



Micrasterias, 168 

 Mildews, downy, 199 



powdery, 212, 213 

 Minerals in soils, 44 

 Mint family, 443 

 Monocotyledons, 82, 367 

 Monoecious, 257 

 Monotropa, 439 

 Moore, 58 

 Morchella, 220 

 Morel, 220 

 Morning-glory, 442 

 Mosaics, 27 

 Moss, 267 



bog or peat, 268 



true, 273 

 Mould, black, 202, 203 



brown, 209 



green, 196, 206, 209 



water, 197 

 Movements, gases, 12, 20, 41 



leaf, 29 



root, 54 



stem, 87, 90 



water, 23, 52, 64, 67, 68 

 Mucorales, 202 

 Mushrooms, 227, 230 

 Musci, 267 

 Mustard family, 412 

 Mutants, 128 

 Mycelium, 196 



Mycorrhiza, 59, 269, 287, 390 

 Myrtales, 429 

 Myrtle order, 429 

 Myxomycetes, 134, 135 



Narcissus, 386 



Navicula, 149 



Nectar glands, 348, 355, 3/i, 393, 



408 



Nemalion, 191 

 Nereocystis, 185 

 Nidulariales, 235 

 Netted veined leaf, 293 

 Nettle, 35, 403 

 Nitrogen, 57, 142 

 Nostoc, 147 



