LUPINES AS POISONOUS PLANTS. 5 
ALKALOIDS OF LUPINES. 
_ No investigations of the alkaloids of American lupines have been 
published, but the European lupines have been the subject of ex- 
Fic. 1.—Lupine (Lupinus sericeus). 
tended study, and the literature, especially of the chemistry of the 
alkaloids, is very large. 
Cxcola (1834) attempted to isolate the alkaloid of Lupinus albus, 
but probably did not obtain the pure alkaloid. Landerer (1852) 
