26 GRIGGS: OBSERVATIONS ON THE BEHAVIOR 
thus in a measure insuring their preservation. It is for this reason 
wilder and more nearly in its aboriginal condition than the less 
rugged country which surrounds it. Since the time of Sullivant 
Fic. 1. Sullivantia, south of Sugar Grove 
it has been known to the botanists of Ohio as one of the richest 
collecting grounds in the state. The flora of the northern portion, 
that Iving in Fairfield County, was worked up more than seventy 
