RANUNCULACEAE 323 



N. Y. Rare and local on the south side of L. I., not uncommon on 

 the north side and on S. I., thence increasing and common 

 northward. 



N. J. Rare and local in the south and unknown in the pine- 

 barrens; thence increasing and common northward. 



Pa. Pike, Luzerne, Monroe, Northampton, Bucks and Chester 

 counties, increasing northward. 

 Tertiary, unknown on Beacon Hill, rare and local elsewhere: 



Cretaceous, scattered: Older Formations, increasing northward. 



117-220 days. Sea level-4,020 ft. 



3. A. riparia Fernakl. On river banks: Me. and Ont. to Ya. 



Conn. Apparently confined to the drainage of the Housatonic 

 River, increasing northward. 



N. Y. Pine Plains, Dutchess Co. 



N. J. Sussex Co. 



Pa. Pike, Bucks, and Northampton counties, increasing north- 

 ward. 

 Tertiary, o: Cretaceous, o: Older Formations, predominating on 



limestone. South of the moraine only in Pa. 127-153 days. 510- 



i,8oo ft. Perhaps not specifically distinct from A. virginiana. 



4. A. canadensis L. In low grounds: Lab. to N. W. Terr., E. 



Mass., Md., 111. and Colo. 



Conn. Rare and local along the coast, increasing northwestward. 



N. Y. Unknown on L. I. and S. L; rare and local in Westchester 

 and Bronx counties, thence increasing but not very common 

 northward. 



N. J. A single station at Red Bank, Gloucester Co.; near Wood- 

 bridge and Carlstadt, thence increasing but rare northward. 



Pa. Northampton Co. Not recently collected. 



Tertiary, 0: Cretaceous, rare and very local:* Older Formations, 



increasing but not common northward. 138-220 days. Sea 



level-1,200 ft. 



5. A. quinquefolia L. In low woods: N. S. to Ga., west to the 



Rocky Mountains. 



Throughout the area, except in the pine-barrens, there rare or 

 wanting. 



13. Hepatica [Rupp.] Mill. 



Lobes of the leaves rounded or obtuse. 1. //. Hepatica. 



Lobes of the leaves acute. 2. H. aculiloba. 



* See Introduction paragraph 36. 



