INDEX 



429 



Montia, 129 

 Morning-glory, 283 

 Morning-glory Family, 282 

 Mountain Mahogany, 181 

 Muhlenbergia, 30 

 Muilla, 78 

 Mullein, 327 



Turkey, 213 

 Mustard, 154 

 Mustard Family, 149 

 MUTISIEAE, 405 

 Myrica, 93 

 Myricaceae, 92 

 Myriophyllum, 251 



Naiad ACEAE, 12 

 Naias, 12 

 Nama, 302 

 Nasturtium, 156 

 Navarretia, 287 

 Nemacaulis, 103 

 Nemacladus, 354 

 Nemophila, 294 

 Nemoseris, 409 

 Neostyphonia, 219 

 Nettle, 99 



Western, 99 

 Nettle Family, 98 

 Nicotiana, 324 

 Nightshade, 322 

 Nitrophila, 113 

 Notholcus, 35 

 Nuttallia, 236 

 Nyctaginaceae, 124 



Oak, 96 



Blue, 97 



Canyon, 97 



Live, 97 



Valley, 97 

 Oat, 36 



Bastard, 36 



Wild, 36 

 Oat Tribe, 34 

 Oat-grass, Wild, 36 

 Odostemon, 142 

 Oenanthe, 263 

 Oenothera, 246, 247, 248 

 Oleaceae, 277 

 Oligomeris, 164 

 Olive Family, 277 

 Onagraceae, 240 

 Onion, 77 



Opuntia, 238 

 Orchidaceae, 85 

 Orobanchaceae, 342 

 Orobanche, 343 

 Orthocarpus, 340 

 Osmorhiza, 258 

 Owl-clover, 340 



OXALIDACEAE, 208 



Oxalis, 209 

 Oxygraphus, 141 

 Oxytheca, 105 



Padus, 185 

 Paeonia, 138 

 Palmerella, 355 

 Paniceae, 22 

 Panicum, 23 

 Papaver, 148 

 Papaveraceae, 144 

 Parietaria, 99 

 Paspalum, 22 

 Pastinaca, 266 

 Pea, Wild, 206 

 Peach Family, 185 

 Pectocarya, 303 

 Pedicularis, 341 

 Pennyroyal, 318 

 Pentacaena, 137 

 Pentachaeta, 361 

 Pentstemon, 330 

 Peony, 138 

 Peppergrass, 152 

 Peppermint, 320 

 Perezia, 405 

 Perezia Tribe, 405 

 Perityle, 391 

 Petunia, 325 

 Peucedanum, 265 

 Phacelia, 296 

 Phalarideae, 25 

 Phalaris, 25 

 Philibertella, 281 

 Phleum, 30 

 Phlox Family, 286 

 Phoradendron, 101 

 Physalis, 321 

 Phytolacca, 124 

 Phytolaccaceae, 124 

 Phyllospadix, 13 

 Pickeringia, 189 

 Pimpernel, 276 

 Pinaceae, 1 

 Pine. 2 



