Also, in the archives of the Academy of Natural Sciences, there is a document, by Charles Eastwick Smith, a ???Catalog of the phaenogamous and acrogenous plants (found within 15 miles of Broad and Market streets, Phila., and in the herbarium of C. E. S.)??? ??? ???found in 1860-1868???, and in it P. strobus (on p. 24) has a dash next to it, indicating its presence within that range at that time; h