INDEX. 



415 



Plantain, Rattlesnake 112 



Water 



Plantain Family 333 



Pleuricospora 



Pleuropogon 49 



Plum 199 



Indian 200 



PLUMBAGINACEAE 286 



Poa 



POACEAE 



Poison Oak 



POLEMONIACEAE 



Polemonium 



POLYGONACEAE 



Polygonum 



POLYPODIACEAE 



Polypodium 



Polypody, Leather-leaf 



Polypogon 



Polystichum 6 



Pond Lily, Yellow 151 



Pond-weed 



Horned 28 



Pondiveed Family 25, 86 



PONTEDERIACEAE 86 



Poppy, California 165 



Poppy Family 164 



Populus 



Portulaca 



PORTULACACEAE .... 136 



Potamogeton 25 



Potentilla 208 



Prickly Lettuce 360 



Prickly Pear 244 



Primocarex 66 



Primrose, Evening 253 



Primrose Family 283 



PRIMULACEAE 283 



Prunella 311 



Prunus 199 



Pseudotsuga 



Psilocarphus 



Psoralea 218 



Pteridium 



PTERIDOPHYTA 1 



Pterospora 272 



Puccinellia 59 



Pulsatilla 154 



Pulse Family 212 



Purslane 137 



Purslane Family 136 



Pyrola 274 



PYROLACEAE 



Pyrola Family 270 



Pyrus 200 



Quack-grass 62 



Quamasia 



Quercus 12 



Quill-wort 



Quill-wort Family 15 



Rabbit's Ear Clover 221 



Radicula 179 



Radish 168 



Wild 168 



Rainiera 



RANUNCULACEAE 



Ranunculus 



Raphanus 168 



Rapuntium 



Rattlesnake Plantain 112 



Razoumofskya 123 



Red Alder 120 



Red Clover 



Red Fir 22 



Red-flowering Currant 187 



Redtop 



Reed Canary-grass 



Reed Meadow-grass 



RHAMNACEAE 236 



Rhamnus 236 



Rhinanthus 



Rhododendron 



Rhus 



Ribes 



Rock Cress 169 



Rocket 173 



Rocky Mountain Juniper. . . 



Romanzoffia 297 



Rosa 204 



ROSACEAE 



Rose 204 



Rose Family 197 



Rotala 246 



Rough Meadow-grass 



RUBIACEAE 



Rubus 



Rudbeckia ... -375 



Rumex 



Running-pine 14 



Ruppia 



Rush 87 



Scouring 



Spike 82 



Wood 



Rush Family 87 



Russian Thistle 



Rye-grass 62 



English 61 



Italian 61 



Perennial 61 



Rynchospora 



