Colorado Plants Injurious to Livlstock 71 
Scrub oak. 25 
Showy milkweed. 57 
Sium cicLitaefolium. 53 
Skunk-bush . 49 
Slender chess. 20 
Small dogbane. 54 
Smooth scouring rush. 15 
Smut . 9 
Sneezeweed . 63 
Snow-on-the-niountain . 47 
Solanum nigrum. 57 
rostratum . 60 
triflorum . 57 
Sorghums . 17 
Spiderwort . 22 
Spreading lupine. 40 
Squirrel-tail grass. 20 
Stemless loco. 41 
Stipa comata. 20 
vaseyi . 20 
Stubble-berry . 57 
Subalpine larkspur. 29 
Sumac .. 48 
Swamp laurel. 54 
Tall larkspur. 29 
Thermopsis divaricarpa. 46 
Thorn-apple . 62 
Three-awned-grass . 18 
Three-flowered nightshade. 57 
I'oadstools . 12 
Tradescantia . 22 
Typha latifolia. 16 
Veratrum speciosum. 25 
Virgin’s bower. 27 
Water hemlock. 50 
Water moss. 6 
Water parsnip . 53 
Western poison ivy. 48 
Wheat cockle. 27 
White-flowered loco. 43 
White hellebore. 25 
Whorled milkweed. 57 
Wild barley. 20 
Wild bean. 38 
Wild cherry. 35 
Wild oats . 20 
Wild onion. 23 
Wild tomato. 57 
Wind flower . 27 
Winter fat. 26 
Winter sage. 26 
Wire-grass . 18 
Woody aster. 62 
Woolly loco. 44 
Xanthium echinatum. 66 
Xylorhiza parryi. 62 
Zygadenus . 21 
