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SOURCES OF NECTAR 



posed to be poisonous, and is commonly reported to cause the 

 disease known as trembles in animals. Although much of this 

 plant grows in the author's wild garden (Fig. 37), and also about 

 the grounds where it is frequently eaten by the family cow, no 

 bad effect has ever been noticed. 



Milk sickness is said to be caused by the use of meat, milk, 



Fio. 37. — Masses of white snakeroot in the author's wild garden. 



butter or cheese from animals afflicted with trembles, so that 

 snakeroot is popularly supposed to be the indirect cause of milk 

 sickness in the human race, as well as trembles in animals. 



In his book on poisonous plants, Dr. L. H. Pammel cites a 

 number of cases where the disease, trembles, had supposedly been 

 produced in animals by feeding them the extract of this plant. 



