INDEX AND GLOSSARY OF GENERIC NAMES. 217 



. (Viola) 91 



PAPAVERACEJE, papaver, thick milk 19, 20, 83 



Parnassia, Mt. Parnassus .' . 121 



Paronychia 25 



Pectocarya, comb-nut 156 



Pedicularis, a louse 168 



Pentacaena 96 



Pentstemon, five stamens 62, 161 



Peony, Pseouia 82 



Petunia, from Petun, the Brazilian name for tobacco, a similar plant 158 



Phacelia, a bundle (flowers) * ,55, 150 



Phaenicaulis, exposed stems 88 



Philadelphia, a friendly brotherhood (of the stamens ?) 121 



Philbertia, J. C. Philbert, a French teacher of botany 143 



Phlox, a flame (the flowers) , 53, 145 



Pholisma, scale (scaly stem) 140 



Photinia (Heteromeles, Toyori) 118 



Physalis, bladder (the inflated fruiting calyx) 138 



Physocarpus, bladder pod 115 



Pickeringia, Dr. Chas. Pickering, who botanized from the Columbia by way of 



Sacramento Valley to San Francisco in 1841 35, 105 



Pin-clover (Erodium) 101 



Pimpernel (Anagallis) 142 



PIPIRACE^: 71 



Pipe Vine ( Aristolochia) < 68 



Pipsisseiva (Chimaphila) 139 



Pirus, old name of the pear 118 



Plagiobothrys, side cavity (not appropriate) 15 ) 



PLANTAGINACE^E, Plantago, sole of the foot (the common species growing on 



tramped ground 67, 1 74 



Plantain (Plantago) 174 



Platanus, broad or ample (leaves and branches) 71 



Platyspermum, flat seed 86 



Platystemon, flat stamen 19 (figured), 20, 83 



Platystigma, flat stigma 19 (figured), 20, 83 



Plectritis (Valerianella. Suksdorf puts the plants of this genus in four genera, 



and makes several new species) , 134 



Pleuricospora, seed at the side (of the pod) 140 



Plum (Prunus, 1) . 1 14 



PLUMBAGINACE^E 49, 140 



Pogogyne, bearded pistil (style) 172 



Poison Oak (Rhus, 1) 30, 104 



PoLEMONIACE^E 51, 1 



Polemonium, the old Greek name 149 



Polycarpon, many pods ; 25) ^ 



Poly gala, much milk (stimulating secretion of in animals) . J 2 



POLYGALACE.E 24, 91 



POLYGONACE^E, Poly gonum, many joints 69, 70 



Poplar (Populus, tree of the people) 71 



Poppy (Papaver) ' 20 



