The Sugar-beet Thrips

The Genus Calosoma: Including Studies of Seasonal Histories, Habits, and Economic Importance of American Species North of Mexico and of Several Introduced Species

The Woolly-pod Milkweed (Asclepias Eriocarpa) as a Poisonous Plant: Issues 1201-1225

Notes on Larkspur Eradication on Stock Ranges

Poisonous Properties of the Whorled Milkweeds Asclepias Pumpila and A. Verticillata Var. Geyeri

The Meadow Death Camas (Zygadenus Venenosus) as a Poisonous Plant

Poisonous Properties of the Whorled Milkweeds Asclepias Pumpila and A. Verticillata Var. Geyeri

Poisonous Properties of the Whorled Milkweeds Asclepias Pumpila and A. Verticillata Var. Geyeri

The Mexican Whorled Milkweed (Asclepias Mexicana) as a Poisonous Plant

The Meadow Death Camas (Zygadenus Venenosus) as a Poisonous Plant

The Meadow Death Camas (Zygadenus Venenosus) as a Poisonous Plant

The Mexican Whorled Milkweed (Asclepias Mexicana) as a Poisonous Plant

The Death Camas Species, Zygadenus Paniculatus and Z. Elegans, as Poisonous Plants

The Woolly-pod Milkweed (Asclepias Eriocarpa) as a Poisonous Plant

The Woolly-pod Milkweed (Asclepias Eriocarpa) as a Poisonous Plant

Astragalus Tetrapterus, a New Poisonous Plant of Utah and Nevada

Coyotillo (Karwinskia Thumboldtiana) as a Poisonous Plant

Cicuta, Or Water Hemlock

Larkspur Poisoning on Live Stock

Nuttall's Death Camas (Zygadenus Nuttallii) as a Poisonous Plant