HYPERICACEAE 445 



Pa. Bucks, Delaware and Philadelphia counties. 



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

 rare: Older Formations, rare and scattered. 179-220 days. About 

 sea level. 



4. H. Bissellii Robinson. Known only from its original locality 



at Southington, Conn. 



5. H. ellipticum Hook. In swamps and along streams: N. S. 



to Man., Conn., N. J., Pa., Md. and Minn. 



Conn. Throughout the state. 



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

 Westchester Co., thence increasing northward. 



N. J. Very rare along the Delaware in Camden and Burlington 

 counties; Hunterdon and Morris counties, increasing northward. 



Pa. Pike, Monroe, Northampton, Schuylkill, Bucks and Mont- 

 gomery counties. 

 Tertiary, o: Cretaceous, very rare in the drainage of the Delaware : 



Older Formations, increasing northward. 117-183 days. Sea 



level-4,020 ft. 



6. H. virgatum Lam. (H. virgatum ovalifolium Britton). Moist 



grounds: pine-barrens of N. J. to Florida and Tennessee. 

 N. J. Common in the pine-barrens, decreasing just outside the 



barrens and unknown elsewhere; formerly reported from Hudson 



Co. 

 Pa. Bristol, Bucks Co. 



Tertiary, common on Beacon Hill, decreasing outside it: Cre- 

 taceous, rare and scattered: Older Formations, o. 160-220 days. 

 About sea level. 



7. H. perforatum L. In fields and waste places; throughout 



eastern N. Am. Naturalized from Europe. 



Common throughout the range as a weed; perhaps wanting in the 

 middle of the pine-barrens of N. J. 



8. H. punctatum Lam. (H. subpetiolatum Bicknell, H. macu- 



la turn Walt.). In moist soil: Me. and Ont. to Minn., Fla., 

 Kan. and Tex. 



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

 rare; occasional in the region immediately surrounding the barrens. 



9. H. boreale (Britton) Bicknell. Wet soil: Newf. to Vt., N. J. 



and Va. 



