ERICACEAE 49 1 



Pa. Bucks, Delaware and Chester counties. 



Tertiary, common: Cretaceous, less common: Older Formations, 

 scattered and apparently wanting northward. 159-220 days. 

 Sea level-993 ft. 



8. Chamaedaphne Moench. 

 1. C. calyculata (L.) Moench. In bogs and swamps: Newf. to 

 Mask., N. J., Ga., 111., Mich, and B. Col. Also in Europe 

 and Asia. 



Common throughout the range, except on S. I. and in the Bronx, 

 there unknown. 



9. Neopieris Britton. 

 1. N. mariana(L). Britton {Andromeda mariana L.). In sandy 

 soil: R. I. to Fla., Tenn. and Ark. 

 Conn. The coastal region in Fairfield Co., 



N. Y. Common on L. I. and S. I., rare along the coast of Long 

 Island Sound in Westchester Co.; near Spuyten Duyvil Creek; 

 otherwise unknown. 



N. J. Rare and local in Bergen, Essex, Hudson and Passaic 

 counties, thence increasing and common southward, especially 

 in the pine-barrens, unknown in soutnern Cape May Co. 

 Pa. Bucks, Montgomery, Delaware and Chester counties. 



Tertiary, common throughout: Cretaceous, less common: Older 

 Formations, rare and scattered. 164-220 days. About sea level. 



10. Andromeda L. 

 1. A. canescens Small. In bogs: Newf. and Lab. to Man. and N. 

 J., Pa. and Ind. 

 Conn. Rare in Fairfield Co., increasing northward into Litchfield 



Co. 

 N. Y. Orange and Putnam counties, increasing northward. 

 N. J. Morris and Sussex counties. 

 Pa. Pike, Wayne and Monroe counties. 



Tertiary, o: Cretaceous, o: Older Formations, rare and local 

 northward. Not south of the moraine. 117-158 days. 500- 

 4,050 ft. Formerly included in A . polifolia L. 



11. Xolisma Raf. 

 1. X. ligustrina (L.) Britton. In swamps and wet soil: Me. to 

 N. Y., Fla., Tenn. and Ark. 

 Common throughout the range but always increasing southward. 



