MONOCOTYLEDONS AS POISONOUS PLANTS 



49 



FIG. 17. Sheep No. 168 at 5.45 P.M., when unable to rise after being fed Death 

 Camas (Zygadenus venenosus). (After Marsh, C. Dwight, Clawson, A. B., and Marsh, 

 Hadleigh: Zygadenus, or Death Camas, Bulletin 125, U. S. Department of Agriculture, 

 1915, Plate V, Fig. 2.) 



fO5 



L'** 



h 



/oo 



x. A/. 



^ 



FIG. 1 8. Curve of temperature of sheep No. 291 fed on Death Camas (Zygadenus 

 venenosus. (After Marsh, C. Dwight, Clawson, A. B. and Marsh, Hadleigh: Zygadenus, 

 or Death Camas, Bulletin 125, U. S. Department of Agriculture, 1915, p. 26.) 



