Menthol, 144 
_Mentzelia, 370 
Menyanthes, 366 
Meridionaceae, 334 
Merismopedia, 164, 330 
Meristem, 29 
Mertensia, 366 
Mesocarpaceae, 333 
Mesophyll, 292 
Mesophytes, 320 
Methane, 153 
Methyl alcohol, 141 
Methylamine, 153 
Metzgeria, 247, 349 
Metzgeriaceae, 247, 349 
Micrasterias, 179, 333 
Micrococcus, 331 
Microcoleus, 165 
Microgametophytes, 258 
Micropylar end, 287 
Micropyle, 273 
Microsphaera, 225, 344 
Microspora, 332 
Microsporaceae, 332 
Microsporales, 332 
Microsporangia, 268 
Microspores, 256, 268 
Microthamniaceae, 332 
Microthamnion, 332 
Microthyriaceae, 344 
Mildews, 220, 343 
Millon’s reagent, 9 
Mimosa, 368 
Mimosaceae, 368 
Mimulus, 367 
Mints, 367 
Mitchella, 373 
Mitella, 369 
Mitosis, 20 
Mitrula, 342 
Mitteniaceae, 350 
Mniaceae, 252, 350 
Mnium, 350 
Modern Ferns, 258, 352 
Pines, 279, 356 
Molds, 239, 348 - 
Mollisiaceae, 342 
Momordica, 370 
INDEX 
Monarda, 306 
Monilia, 239, 348 
Moniliales, 239, 348 
Monimiaceae, 361 
Monoblepharidales, 335 
Monoblepharis, 335 
397 
Monocotyledoneae, 294, 295, 357 
-Epigynae, 360 
-Hypogynae, 357 
Monocotyledons, 295, 357 
Monosaccharids, 145 
Monospores, 206 
Monostroma, 173 
Monotropaceae, 321 
Moraceae, 362 
Morchella, 217, 342 
Morels, 217 
Moringaceae, 364 
Moriola, 342 
Moriolaceae, 342 
Morning Glories, 320, 321, 366 
Morphine, 150 
Mortierella, 335 
Mortierellaceae, 335 
Morus, 362 
Mosses, 248, 349 
Mossworts, 242, 348 
Mougeotia, 333 
Movements, 116 
Mucedinaceae, 348 
Mucor, 189, 335 : 
Mucoraceae, 189, 335 
Mucorales, 335 
Musa, 301, 360 
Musaceae, 360 
Musci, 244, 349 
Mushroom, 218, 229 
Spawn, 229 
Mustard, 303, 364 
Mutations, 114 
Mutinus, 345 
Mutisia, 376 
Mutisiaceae, 376 
Mycelium, 189 
Mycocalicium, 341 
Mycoporaceae, 343 
Mycosphaerellaceae, 343 
Myoporaceae, 367 
Myosotis, 366 
Myosurus, 291, 361 
Myricaceae, 372 
