INDEX. 
169 
Page. 
Nightshade, black, 795 149 
spreading, 796 150 
Norfolk pine, 107 69 
Nostoc, 581 125 
Nutmeg, California, 823 153 
flower, 580 125 
geranium, 622 130 
Nut pine, 649 133 
Oak galls, 711 139 
Jerusalem, 224 82 
poison, 730 142 
Oaks, 711 139 
Oat smut, 842 155 
Ohio buckeye, 30 59 
Oil of Poley, 542 121 
Old man, 125, 129 71 
Old man’s beard, 710 140 
Oleander, 573 124 
Olibanum, 463 111 
Olive, 690 126 
spurge, 285 91 
Onion, faculty, 547 121 
wild, 50 62 
Opium, 616 129 
plant, 345 : 98 
Orange, 153 * 74 
Osage, 520 118 
Orchid, 277, 278. 279, 280 90 
swamp, 491 115 
Orchil, 736 : 143 
Oregon alder, 53 62 
ash, 374 ___ 102 
cedar, 221 81 
erabapple, 525 119 
false, 162 75 
grape, 161 75 
water hemlock, 236 83 
Orris root, 457 110 
Osage orange, 520 118 
Osha, 487, 603 115, 127 
Pacific yew, 813 151 
Pagoda tree, 801 150 
Palmetto, saw, 751 144 
Palmita, 790 149 
Palms, 614 128 
Panax, 99 68 
Pansies, 851 156 
Paracress, 802 150 
Paraguay tea, 445 109 
Parsley hedge, 205 79 
marsh, 632 131 
Parsnip fools, 587 126 
water, 90, 791 67, 149 
wild, 259, 791 87, 149 
Paw paw, 140, 193, 194 73, 78 
Peach, 626 130 
Peanuts, 97 68 
Pear, 653 133 
alligator, 625 130 
prickly, 590, 594, 595 126, 127 
vegetable, 775 147 
Pellote, 84 66 
Pennyroyal, 542, 557 121, 123 
Peony, 611, 612, 613 : 128 
