148 Trans. Acad. Sci. of St. Louis 
EXPLANATION OF PLATE 
Puiate 1X 
Upper left: Indian Plantain (Cacalia tuberosa) near Imboden. 
Upper right: ad Poison (Amianthium muscaetoxicum) near Imboden, 
Lawre o. (H. E. Wheeler.) 
Lower opie ae hay of the Ozark Chinquapin (Castanea ozarkensis) 
ar F ington, Washington Co. 
Lower ree Bark of Ozark Chinquapin, same tree as above. 
