UNITED STATES DEPARTMENT OF AGRICULTURE 

 BULLETIN No. 575 



Contribution from the Bureau of Animal Industry 

 JOHN R. MOHLER, Chief 



Washington, D. C. 



July 23, 1918 



STOCK- POISONING PLANTS 

 OF THE RANGE 



By 



C. D. MARSH, Physiologist, Pathological Division 



CONTENTS 



Prefatory note 

 Introduction . 

 Loco plants 

 Larkspurs . . 



1 



2 



4 



8 



Cicuta (water hemlock) 13 



Death camas 14 



Lupines 15 



Laurels 16 



Fern 17 



Page 



Wild cherry 17 



Milkweed 18 



Woody aster ,18 



Colorado rubber plant 18 



Western sneezeweed 19 



Oak 20 



Psoralea tenuifolia 20 



Prevention of losses 21 



Conclusion 24 



WASHINGTON 

 GOVERNMENT PRINTING OFFICE 



1918 



