222 



PAGE 



Marsh Foxtail 112 



Marsh Marigold 144 



Marsilea 104 



Marsileace.^i; 104 



Matthiola 151 



Matricary Grape fern 103 



Mayweed 210 



Meadow Grass 117 



Meadow Parsnip 178 



Meadow Rue 147 



Meadow-sweet 154 



Meibomia 164 



Mei.anthace^: 127 



Melilotus 159 



Menispermace.4v 147 



Menispermum 147 



Mentha igo 



Mentzelia 173 



Menyanthace-*;.'. 182 



Menyanthes 182 



Meriolix 1 75 



Mertensia. 187 



Mesquite Grass 1 15 



Micrampelis 197 



Milk Purslane 167 



Milk Vetches 162 



Milkweed Family 183 



Milkwort Family 167 



Mimosace^ 158 



Mimosa Family 158 



Mimulus 192 



Mint Family 188 



Modesty 179 



Moehringia 143 



Monarda . 1S9 



MONOCOTYLEDONS 106 



Monkey Flower 192 



Monkshood 144 



Monniera 192 



Monolepis 139 



Monotropa 180 



MONOTROPACE.i; 180 



Moonseed Family 147 



MORACE.Ii. 134 



Morning Glory Family 184 



Morongia 158 



Moras • 134 



PAGE 



Moss Champion 142 



Moschatel Family 196 



Motherwort 189 



Mountain Ash 157 



Mountain Rice 11 1 



Mouse Tail 145 



Mud Plantain 126 



Muhlenbergia 112 



Mulberry 134 



Mullen 192 



Munroa 115 



Musineon 178 



Mustard Family 148 



Myosotis 187 



Myosurus 145 



Myriophyllum 176 



Nabalus 199 



Naiad 106 



Naiadace^ 106 



Naias 107 



Nasiurtium 149 



Naumbergia 18 f 



Neckweed 193 



Nepeta 189 



Nettles 135 



Nightshades 191 



Ninebark 153 



Northern spleanwort 104 



Nothocalia 198 



Nyctaginace.E 140 



Nymphtea 143 



NYMPHiEACE^i-: 143 



Oak-fern 103 



Oat-grass 114 



CEnothera 175 



OivEACE^ 181 



Oleaster Family 1 74 



Olive Family i8r 



Onagra i75 



Onagrace.t-: 174 



Onoclea 103 



Onosmodium 187 



Ophiogi,ossacE-K 103 



Opulaster 153 



Opuntia 173 



Orchard-grass n6 



Orchidace.i; 130 



