(i6i) 



Plum, wild yellow, 132 

 Plumalina, 36 

 Plumbago Family, 56, 57 

 Podophyllum, 52 

 Poke, 25, 51 



root, 26 

 Pokeweed Family, 51 

 Polanisia, 52 

 Polemonium, 57 

 Polygonum, 50 

 Polypody, 34 



spores, 34. 

 Pond cypress, 44 



lily, red-disked, 51 

 yellow, 51 



scums, 28, 33 

 Pond's extract, 67 

 Pond-weed Family, 48 

 Pontederia, 49 

 Poplar, 24, 74, 75, 85, 98-100 



balm of Gilead, 99 



balsam, 99 



black, 99 



Bolle's, 75 



Carolina, 74, 75, 100 



Italian, 75 



Lombardy, 75, 100 



necklace, 100 



silver-leaf, 75 



Simon's, 74, 75 



swamp, 98 



white, 75 



Wobst's, 74 



yellow, 79 

 Poppy, 26 



Family, 52 



Mexican, 52 



oriental, 52 



water, n, 48 

 Populus, 74 



balsamifera, 99 



candicans, 99 



deltoid es, 100 



grandidentata, 101 



heterophylla, 98 



italica, 100 



tremuloides, 100 

 Porter, 23 

 Portulaca, 51 

 Potato, 24, 25, 58 



Family, 10, 58, 72 



flour, 24 



sweet, 24, 25 

 Power house, 19 

 Prickly pear, 55 



eastern, 55 

 Primrose, 56 



European, 56 



Family, 56 



Primula, 56 

 Privet, 72 



California, 72 

 Propagation, forms of, 60, 61 

 Prunus americana, 132 



Avium, 133 



domestica, 132 



pennsylvanica, 133 

 Pseudolarix, 44 

 Pseudotsuga mucronata, 40 

 Ptelea trifoliata, 68 

 Pteridophvtes, 27, 31, 35, 36 

 Puffball, 29 



Pulp, 94, 95, 101, 140, 141 

 Pulque, 8 

 Purposes, 2 

 Purslane, 51 



Family, 51 

 Pusley, 51 



Quaker-lady, 67 

 Quassia, 26 

 Queen's root, 26 

 Quercus, 77 



tf/£tf, 119 



Alexanderi, 117 



borealis, 114 



bicolor, 118 



coccinea, 114 



macrocarpa, 118 



marilandica, 115 



Muhlenbergii, 116 



palustris, 113 



Phellos, 116 



Prinus, 117 



rubra, 112 



stellata, 119 



velutina, 113 

 Quillworts, 31 

 Quince, 68 



Ragweed, 60 



Family, 60 



giant, 60 

 Ramie plant, 10 

 Raspberry, 53, 67 



purple-flowered, 67 

 Rattlesnake-master, 56 

 Red root, 70 



top, 48 

 Reeds, incrusted, 38 

 Reseda, 52 

 Resins, 20-23, 43 

 Resinoids, 24 

 Retinospora, 45 

 Rhabdocarpon, 36 

 Rhododendron, 71 

 Rhubarb, 26, 50 



