32 PASTORAL AND AGRICULTURAL BOTANY 



canadensis , S. rigida, S. serotina and as Vernonia noveboracensis, the iron- 

 weed. Horses have been poisoned in New Jersey and in Wisconsin by 

 eating golden-rod and the trouble has been attributed to the presence of 

 this rust fungus in growth on the plant. The disease has baffled veteri- 

 narians, but the fact that horses have remained healthy when feeding 

 in pastures without golden-rod, or when they are driven from pasture 

 before the golden-rod appears seems significant. The attention of the 



FIG. 10. Calf No. 2 prostrate. Note drawn expression of eyes and slight drawing 

 back of head (aposthotonus). In this condition the animal breathes rapidly, shows 

 consciousness, and responds to noise by twitching. (After Brown, H. B. and Ranck, E. 

 M.: Forage poisoning due to Clavice-ps Paspali on Paspalum. Technical Bulletin No. 6, 

 Mississippi Agricultural Experiment Station, 1915, p. 25.) 



writer was first called to this fungus in material received from Newfield, 

 N. J., on Sept. 22, 1900. 



Symptoms. The symptoms are general dullness, ears drooped, tem- 

 perature elevated ranging from 103 to io7F. during the entire course 

 or the disease. The visible mucous membranes are pallid and spots are 

 seen. The legs of the animal become swollen and cedematous enlarge- 

 ments appear under the abdomen. The spleen is enlarged, weighing from 

 xis to ten pounds. Blood disintegrated. The appetite is fairly good, but 

 emaciation begins as the disease advances. There is loss of coordination 



