388 



INDEX 



Orchard Grass 349 

 Orchidaceae 316, 318:2- 



4, 6 

 Orchidales 316 

 Orchid Family 316, 318: 



2-4, 6 

 Orchid, Green 320 

 Orchid Order 316 

 Oreobroma 49, 54:13 

 Oreocarya 121 

 Oreoxis 231, 232:11 

 Orobanchaceae 140, 



126:6 

 Orobanche 140 

 Orogenia 234, 232:30 

 Orthocarpus 132, 126:2 

 Oryzopsis 356, 342:19 

 Oxalidaceae 39, 38:2 

 Oxalis 39, 38:2 

 Oxalis Family 38:2 

 Ox-eye 280 

 Ox-eye Daisy 264 

 Oxybaphus 69 

 Oxypolis 234, 232:26 

 Oxyria 56, 54:18 

 Oxytenia 286 

 Oxytropis 170 



Pachylophus 205 

 Pachystigma 211, 214:1 

 Painted Cup 128, 126:7 

 Panic Grass 357, 342:30 

 Panicularia 357, 330:20 

 Panicum 357, 342:30 

 Pansy 29 

 Papaver 12 

 Papaveraceae 9 

 Parietaria 34 

 Parnassia 193, 196:8 

 Paronychia 46, 54:9, 10 

 Parosela 179 

 Parsley Family 223, 232: 



9-30; 240:7 

 Parsley Order 222 

 Parsley, Wild 230 

 Parthenice 286 

 Parthenocissus 212, 



214:7 

 Partridge Pea 168, 180:2 



Paspalum 357 



Pasque Flower 6, 4:5 



Pastinaca 234 



Pea Family 168, 166:1-5; 



172:1-7; 180:3-28 

 Pea, Partridge 168, 180:2 



Sweet 182, 166:4 

 Pearlwort 46 

 Pear, Prickly 208, 204:6 

 Pearly Everlasting 253 

 Pectis 286 



Pedicularis 133, 126:9 

 Pellitory 34 

 Pennycress 28 

 Pennyroyal 145 

 Pentstemon 134, 136:1-6 



albidus 135 



ambiguus 134 



angustifolius 137 



barbatus 134, 136:4 



Bridgesii 134 



caespitosus 134 



confertus 135, 136:5 



cristatus 135 



cyathophorus 137 



deustus 134 



Eatoni 134 



Fremontii 135 



fruticosus 134 



glaber 135, 138 



glaucus 135, 136:2 



gracilis 135, 136:3 



grandiflorus 137 



Hallii 137 



Harbouri 135 



Haydenii 137 



laricifolius 135 



linarioides 134 



secundiflorus 138, 

 136:1 



strictus 135 



unilateralis 137, 136:6 

 Peppergrass 24 

 Pepperweed 24 

 Peramium 321, 318:4 

 Peraphyllum 164, 160:12 

 Pericome 287, 288:5 

 Peritoma 15 

 Petalostemon 184, 166:3 



Petasites 287 

 Petrophytum 158 

 Phacelia 118, 120:6 

 Phalaris 358, 342:29 

 Phellopterus 234, 232:28 

 Philadelphus 194, 196:10 

 Philotria 315 

 Phippsia 358 

 Phleum 358, 342:23 

 Phlox 107, 112:2-4 

 Phlox Family 103, 106:3, 



5-7; 112:2-6 

 Phlox Order 103 

 Phoradendrum 217, 



214:12 

 Phragmites 358 

 Phyllodoce 87, 84:4 

 Physalis 115, 112:15 

 Physaria 25, 14:7; 22:15, 



16 

 Physocarpus 158 

 Physostegia 148 

 Picea 365, 366:6, 7 

 Pickerel Weed Family 



314 

 Pigweed 67 

 Pinaceae 364, 366:1-5 

 Pinales 364 

 Pine 368, 366:1-5 

 Pine Drops 82, 80:8 

 Pine Family 364, 366:1-5 

 Pine Order 364 

 Pinesap 82, 80:9 

 Pinguiculaceae 139, 



126:5 

 Pink Family 43, 44:6, 7; 



54:i-io 

 Pink, Milk 284 

 Pink Order 43, 44:1-8 

 Pinus 368, 366:1-5 

 Piperia 321 

 Pipsissewa 79, 80:6 

 Pirola 79, 80:1-4; 90:7 

 Pirolaceae 78, 80:1-6; 



90:7 

 Plantaginaceae 92, 112:1 

 Plantago 92, 112:1 

 Plantain 92, 112:1 



Mud 314 



