VACCINIACEAE 495 



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

 northward. Not south of the moraine. 117-152 days. 1,400- 

 4,020 ft. 



7. V. angustifolium Ait. (V. pennsylvanicum Lam.., not Mill.) In 



dry rocky or sandy soil: Newf. to the N. W. Terr., N. J., Va., 



111. and Mich. 



Conn. Throughout the state. 



N. Y. Frequent on L. I., rare on S. I., unknown in the Bronx, 

 increasing northward. 



N. J. Not very common in Cumberland, Salem, Gloucester, 

 Camden, Burlington, and Monmouth counties, north and west 

 of the pine-barrens, thence increasing and common northward, 

 especially on rocky ridges; rare in the pine-barrens. 



Pa. Pike, Monroe, Luzerne, Northampton, Lehigh, Bucks, Dela- 

 ware and Schuylkill counties. 

 Tertiary, rare or wanting on Beacon Hill, increasing elsewhere: 



Cretaceous, more common: Older Formations, increasing and 



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



8. V. Brittonii Porter (V. nigrum Britton not V. pennsylvanicum 



nigrum Wood). In dry rocky soil : Me. to N. J., Pa. and Mich. 

 Confined, so far as present records show, to Litchfield Co., Conn., 

 Sussex Co., N. J. and Monroe Co., Pa., at elevations in excess of 

 1,000 ft. All these stations are north of the moraine, and have a 

 growing season of 1 18-153 days. Not reported from, but doubtless 

 in, the Catskills. 



9. V. vacillans Kalm. In dry soil: Me. and N. H. to Ont., 



Mich., N. Car. and Mo. 



Common throughout the range. 



V. Dobbinii Burnham (V. angustifolium X vacillans) is to be looked for in our 

 area wherever both the parents are found. V. australe Small has been recorded along 

 the coast north to eastern Mass. 



4. Chiogenes Salisb. 

 1. C. hispidula (L.) T. & G. In cold wet woods and bogs: Newf. 

 to B. Col., N. Car. and Mich. 



Conn. Northern New London and New Haven counties, increas- 

 ing northward into Tolland and Litchfield counties. 

 N. Y. Reported from but doubtfully on L. I., a single station 

 near Clove Lake, S. I., thence increasing but rare northward 

 except in the higher elevations of the Catskills. 



