168 



INDEX 



Squawweed 85 



Squirrel-tail Grass 36 



Staggers , r 33 



Staggerweed 84 



Staggerwort 82 



Stavesacre 56 



Stemless Loco Weed 66 



Stinging Nettle, 121 



Smallest 121 



Stinking Willie 82 



Stinkweed 103 



Stinkwort 144 



Stipa comata 49 



spartea 48 



Stramonium 144 



Straw, Poisonous Plants in. . . 17 



Stroma 22 



Sudan Grass 48 



Sumac Family 134 



Sumac, Poison 137 



Swamp 137 



Sunflower, False 84 



Sunflower Family 45, 82. 149 



Sunflower, Swamp 84 



Swamp Cabbage 115 



Camas 38 



Hellebore 53 



Hellebore, California 55 



Sumac 137 



Sunflower .84 



Swampwood 138 



Sweet Flag 118 



Sorghum 48 



Symplocarpus foetidus : 115 



Symptoms Key 150 



Tall Buttercup 128 



Tanacetum vulgare 149 



Tansy 149 



Tansy-ragwort 82 



Tares. . 91 



Thermopsis, Prairie J31 



Thermopsis rhombifolia 131 



Thlaspi arvense 103 



Thorn Apple 144 



Purple 146 



Three-flowered Nightshade . . 142 



Three-leaved Arum 116 



Ivy 134 



Thymelaceae 138 



Timothy 23,24 



Tobacco, 146 



Indian 147 



Poison- 142 



Wild 146,147 



Trembles .45,86 



Tumbling Mustard 102 



Turnip, Indian 116 



Wild 116 



Umbclliferae 74 



Umbrella-plant 130 



Urticaceae 121 



Urtica dioica 121 



gracilh 121 



Lyallii 121 



urens 121 



Vegetable Calomel 130 



Veratrum californicum 55 



viride 53 



Vetch, Loco 66 



Milk 71 



Vine, Poison- 134 



Water Flag 118 



Hemlock 74 



Hemlock, Bulbous 79 



Hemlock, Oregon 78 



Parsnip 81 



Weed, Asthma- 147 



Weed, Crazy 66 



