190 SHEEP DISEASES. 



the poisoning is not known, this treatment may 

 be given with as good results as any. 



1. Death Caxnas. 



Botanical name Zygadenus venenosus. 



Common names Wild onion; lobelia; poison 

 camas; and poison sego to distinguish it from the 

 blue or edible camas. 



The leaves are lance-shaped, with a simple stem, 

 and bulb-like root, greatly resembling a tough 

 onion. The flowers are greenish-yellow in color. 

 Its toxic principle is an unknown alkaloid. 



It is found in all kinds of locations, such as 

 valleys, mountain sides and timber lands. Its 

 habitat seems to be South Dakota, Montana, Idaho, 

 Washington, and parts of Utah, Oregon, Wyoming 

 and California, 



One must see this plant growing in its native 

 haunts to get a vivid mind-picture of it. 



This has caused the loss of thousands of sheep. 

 Instances have been known where over two thou- 

 sand have died in one day from the effects of this 

 poison! 



Symptoms: These greatly resemble strychnin- 

 poisoning in general. The animal becomes very 

 restless from the severe pain. Trembling and 

 frothing at the mouth are next seen. Death 

 usually takes place in one to three hours, and from 

 one-half to two-thirds of those exhibiting symp- 

 toms die. 



Treatment: Give a drench of ten grains each 

 of potassium permanganate and aluminum sul- 



