OLEACEAE 501 



rare and local in the Bronx, and in Rockland Co., thence in- 

 creasing but never common northward. 



N. J. Rare and local in Bergen, Morris, Sussex, Hunterdon, 

 Essex, Mercer, and Monmouth counties; not in the pine-barrens. 



Pa. Northampton, Bucks, Lehigh, Montgomery, Delaware and 

 Chester counties. 

 Species scattered and the distribution not understood. 



2. F. Darlingtonii Britton. In woods: Mass. to central N. Y., 



south to Ala. and La. 



Known in our range only from near Southington, Conn, and 

 West Chester, Chester Co., Pa. The Conn, station is in the 

 region of Triassic sandstone and the Pa. record is on Azoic slates. 



3. F. Michauxii Britton. In wet places: southern N. Y. to 



N. Car. and Ind. 



Known definitely only from Swedesboro and Mickleton, 

 Gloucester Co., N. J., and from the New York Botanical Garden; 

 doubtless in the region between these geologically unrelated stations. 



4. F. pennsylvanica Marsh. (F. lanceolate, Borkh. F. viridis 



Michx.). In woods: Vt. to Minn., south to Fla. and Tex. 

 Common throughout the range except in the pine-barrens, there 

 wanting. 



5. F. americana L. In rich soil, usually on hillsides: N. S. to 



Minn., south to Fla., Kan. and Tex. 



Conn. Throughout the state. 



N. Y. Frequent along the north shore of L. I. and on S. I., 



thence increasing and becoming common northward. 

 N. J. Occasional in Salem, Gloucester, Camden and Burlington 



counties in the drainage of the Delaware, thence increasing and 



becoming common northward. 

 Pa. Carbon, Northampton, Bucks, Delaware and Chester counties. 



Tertiary, o: Cretaceous, rare along the Delaware: Older Forma- 

 tions, increasing northward. 117-220 days. Sea level-3,800 ft. 



6. F. biltmoreana Beadle. Southern Pa. to Ga. 



Known in our area only at or near Woodbourne, Bucks Co., Pa. 

 This region is on the red and yellow gravels and clays that pre- 

 dominate in the southeastern part of the country. 

 F. excelsior L. planted for shade, is occasionally spontaneous. 



