INDEX. 
440 
Marsh Pea, 217 
Marsh Spike-grass, 40 
Marsh Trifoil, 268 
Marsilia, 5 
Marsiliace^e, 5 
Marsilia Family, 5 
Martynia, 320 
Martyniace^e, 320 
Marubium, 296 
Matrimony Vine, 303 
May-flower ( Pulsatilla ) 
May-weed, 382 
Meadow-gowan, 135 
Meadow-grass, 40, 48 
Meadow-grass, Reed, 48 
Meadow Parsnip, 252 
Meadow-Rue, 147 
Medic, 202 
Medicago, 202 
Melampodium, 371 
MELANTHACE/E, 76 
Melica, 39 
Melic-grass, 39 
Melilotus, 202 
Melosmon, 295 
Mentha, 300 
Mentzelia, 235-237 
Menyanthace^e, 268 
Menyanthes, 268 
Mereolix, 247 
Mermaid, False, 225 
Mertensia, 289 
Mesquite, 2p 
Mesquite-grass, 36 
Micrampelis, 325 
Micranthes, 173 
Microphacos, 207 
Microseris, 403 
Microsteris, 276 
Milfoil ( Achillea ) 
Milfoil, Water, 249 
Milk-thistle, 411 
Milk Vetch, 203 
Milkweed, 270 
Milkweed Family, 270 
Milkwort, 221 
Milkwort, Sea, 264 
Milkwort Family, 221 
Millet, 21 
Millet, Indian ( Eriocoma ) 
Millet, Italian, 21 
Mimosace^e, 193 
Mimosa Family, 193 
Mimosa, Prairie, 194 
Mimulus, 311 
Mint, 300 
Mint Family, 294 
Mirabilis, 123 
Mistletoe Family, 100 
Mitella, 171, 172 
Mitre-wort, 171, 172 
Mock Apple, 325 
Mock Orange, 176 
Moehringia, 130 
Monarda, 289 
Monardella, 299 
Moneses, 258 
Monkey-flower, 311 
Monk’s-hood, 139 
Monocotyledones, 11 
Monolepis, 116 
Monotropace.e, 258 
Moonwort, 1 
Morning-glory, 273 
Morning-glory Family, 273 
Morongia, 194 
Moschatel, 324 
Moschatel Family, 324 
Motherwort, 297 
Mountain Ash, 193 
Mountain Avens, 188 
Mountain Forget-me-not, 286 
Mountain Juniper, 9 
Mountain Laurel ( Ceanothus ) 
Mountain Mahogany, 189 
Mountain Rice, 25 
Mountain Sorrel, 109 
Mouse-ear Chick-weed, 128 
Mouse-tail, 142 
Mud-purslane, 231 
Mudwort, 312 
Muhlenbergia, 25 
Mullen, 305 
Munroa, 37 
Muse aria, 173 
Musenion, 253 
Musk-root, 324 
Musquash Root, 252 
Mustard, Hedge, 157 
Mustard, White, 160 
Mustard, Wild, 160 
Mustard, Tansy, 157 
Mustard Family, 150 
Myosotis, 292 
My o sums, 142 
Myriophyllum, 249 
Myrtales, 240 
Myzorrhiza, 320 
Nabalus, 404 
Naiadace^e, 13 
Naiadales, 12 
Naias, 13 
Naias Family, 13 
Nama, 284 
Nasturtium, 156 
Naumburgia, 263 
Navarretia, 279 
Nemexia, 86 
Nemophila, 282 
