278 POISOXOUS AND MECHANICALLY INJURIOUS PLANTS 



died from this disease during the summer of 1915 in the Wasatch 

 Mountains in Utah. Sheep are the principal victims, as horses 

 and cattle do not eat enough of the plant to cause harm under 

 ordinary range conditions. The symptoms of poisoning from 



Fig. ioi. — PINGUE {Ilymenoxys Jloribunda). 



Fig. 102. — SNEEZEWEED 

 {Ilelenium Iloopesii). 



sneezeweed are nausea, frothing at the mouth, labored breathing, 

 weakened heart action, diarrhea, and bloating. 



Acute poisoning from sneezeweed is rare, though it may occur 

 if sheep eat large quantities of the plant when they are hungry. 

 The poison is cumulative and ordinarily acts slowly. Most 

 cases are the result of long-continued feeding. 



No remedy can be recommended from experiments thus far 



