23O MELANTHACEAE 



N. J. Bergen Co., and exclusively west and north of the Tertiary 

 sands and gravels from Mercer to Salem counties. 



Pa. Carbon and Northampton to Delaware and Chester counties. 

 Tertiary, rare along the edges, not on Beacon Hill: Cretaceous, 



common: Older Formations scattered, but more common in Pa. than 



elsewhere. Predominating south of the moraine. 152-204 days. 



Sea level-1,624 ft. 



7. Oceanorus Small. 



1. O. leimanthoides (A. Gray) Small (Zygadenus leimanthoides 

 (A. Gray) Watson). In swamps and wet soil: Southern 

 N. Y. to Ga. and Tenn. Not common in our range. 

 N. Y. Western L. I. exclusively south of the terminal moraine; 



apparently wanting on S. I. and elsewhere. 

 N. J. Princeton Junction, Mercer Co.; Milltown, Middlesex Co., 



and Monmouth, Ocean, Burlington and Camden counties. 



Tertiary, scattered on Beacon Hill, rare elsewhere: Cretaceous, 

 more common: Older Formations, o. Not north of the moraine. 

 175-182 days. About sea level. 



8. Melanthium L. 



Blade of the perianth segments oblong, entire; leaves linear. 1. ^1/. virginicitm. 



Blade of the perianth segments nearly orbicular, undulate; leaves 



oblanceolate. 2. M. latifolium. 



1. M. virginicum L. In meadows and wet woods: R. I. to 



Minn., Fla. and Tex. 



N. Y. Reported from L. I.; on S. I. 



N. J. Not recorded from the pine-barrens; rare and local in 



Gloucester, Camden, Burlington and Ocean counties, increasing 



but not common northward into Bergen Co. 

 Pa. Lehigh Co. to Delaware and Chester counties. 



Tertiary, rare; or perhaps wanting: Cretaceous, scattered: Older 

 formation, not common. Predominating south of the moraine. 

 138-204 days. Sea level-860 ft. 



2. M. latifolium Desr. In dry woods and on hills: Conn, to Pa. 



and S. Car. 



Conn. Rare and local in southwestern Fairfield Co. 

 N. Y. Bronx, Westchester and Rockland counties. 

 N. J. Bergen to Morris counties, increasing northwestward; also 

 at Swedesboro, Gloucester Co. 



