Thistle Family. Convalariacece . Pink Family. 293 



Hyoscyamus Niger (henbane) common in North Atlantic 

 States proves poisonous to stock eating the fresh plant, and above 

 all that which has been dried in hay. 



Solarium Dulcamara (bittersweet) Solarium Nigrum (black 

 nightshade) and Solarium Triflorum (spreading nightshade) 

 of the Great Plains prove fatal to cattle, sheep, goats and swine. 



Tobacco may be eaten fresh, but more commonly when par- 

 tially dried, and may prove fatal. It may also poison when ap- 

 plied on extensive sores, or when given medicinally in large 

 doses to expel worms or allay nervous disorders. 



Potato tops or green tubers are also dangerous, but may be 

 rendered more wholesome by boiling. 



THE THISTLE FAMILY. 



Various members of the Carduaceae are common poisons of 

 our fields. 



Helenium Autumnale (sneezewort, sneezeweed, staggerwort), 

 common in southern and eastern pastures, proves fatal to horses, 

 cattle and sheep which eat it in large quantity. 



Helenium Tenuifolium (fine-leaved sneezeweed), common in 

 the South, proves fatal to solipeds and probably to a less extent 

 for cattle, yet giving a bitter flavor to the milk and meat when 

 eaten in small amount. 



Senecio acts slowly causing hepatic cirrhosis. 



CONVALARIACECE. 



Convalaria Majalis (the lily of the valley) Is very poisonous 

 to horses, cattle and other animals. 



THE PINK FAMILY. 



Various members of the Alsinaceae are poisonous. 



Agrostemma Githago (corn cockle) is claimed to destroy 

 thousands of dollars worth of stock yearly in Indiana. The seeds 

 mixed with grain and even ground up with it and made into 



