PLANTS POISONOUS TO STOCK. 



231 



Dr. S. B. Nelson, Professor of Veterinary Sciences in the Washington 

 State Agricultural College, shows that it is possible to feed as much as 

 24f lbs. of the fresh leaves to a sheep within a period of five days 

 without any apparent ill effect taking place. An experiment made by 

 Dr. Wilcox shows that the extract from less than an ounce of the dried 



Ftg. 79. — Corn cockle (Ar/rostemma git- 

 hago). a. Sprays showing flowers and 

 seed capsule, one-third natural size; 

 6, seed, natural size ; b, seed, four 

 times natural size. 



Fig. 80. — Aconite {Aconitu.m cohinibia- 

 nuin). a. Flowering plant ; 6, seed cap- 

 sule — both one-third natural size. 



leaves killed a yearling lamb in t\¥0 hours, the dose having been given by 

 way of the mouth. 



LAEKSPUR POISONING IN SHEEP.* 



Severe losses have from time to time been recorded, especially in 

 America, from larkspur poisoning, the number of animals lost amounting 



* The following account is summarised from a bulletin of the IMoutana Experiment 

 Station by Dr. Wilcox. 



