490 ERICACEAE 



Common throughout the New Jersey pine-barrens, very rare 

 in Monmouth Co., just north of the barrens. 



Tertiary, confined to the Beacon Hill formation: Cretaceous, 

 very rare at or near Freehold, Monmouth Co., N. J.: Older For- 

 mations, o. 169-182 days. About sea-level. 



6. Kalmia L. 



Flowers in mostly compound umbels or corymbs; twigs terete. 



Leaves oblong, mostly obtuse; flowers 6-10 mm. broad. 1. K. angustifolia. 



Leaves elliptic or oval, acute; flowers 16-25 mm - broad. 2. K. latifolia. 



Flowers in simple terminal umbels; twigs 2-edged. 3. K. polifoiia. 



i. K. angustifolia L. In moist soil: Newf. to Hudson Bay, 

 south to Ga. and Mich. 



Common throughout the range, except that it is apparently 

 wanting on the southern end of Cape May and not known from 

 the Bronx. 



2. K. latifolia L. In woods: N. B. to Ont., Ohio, Fla. and La. 



Common throughout the range except at the southern end of 

 Cape May, there unknown. 



3. K. polifoiia Wang. (K. glauca Ait.) In bogs: Newf. to 



Alaska, Conn., N. J., Pa., Mich, and Cal. 



Conn. Very rare in Fairfield Co., increasing northward into 



Litchfield Co., unknown elsewhere. 

 N. Y. Dutchess Co., increasing but rare northwestward in the 



Catskills. 

 N. J. Near Budd's Lake, Morris Co. Round Pond, Sussex Co. 

 Pa. Pike, Wayne, and Monroe counties. 



Tertiary, o: Cretaceous, o: Older Formations, increasing north- 

 ward. Not south of the moraine. 117-166 days. 680-4,050 ft. 



7. Eubotrys Nutt. 

 1. E. racemosa (L.) Nutt. (Leucothoe racemosa (L.) A. Gray). In 

 swamps and moist thickets: Mass. to Pa., Fla. and La. 

 Conn. Rare and local near the coast, decreasing and perhaps 



wanting northward. 

 N. Y. Common on L. I. and S. I., decreasing up the Hudson 



Valley to Westchester Co.; unknown northward. 

 N. J. Rare and local in Morris, Bergen, Hunterdon and Union 



counties, thence increasing and becoming common southward, 



especially in the pine-barrens. 



