Bulletin 575 U.S. Dept. of Agriculture. PLATE XVII. 
LUPINE (LUPINUS SERICEUS). 
All the species of Lupine are supposed to be poisonous, and are the cause of the larger part of 
the heavy losses of sheep during the late summer and fall months. Sheep are most likely 
to be poisoned by eating the pods and seeds. 
Sackett & WitHeELMS Corp. NLY. 
