224 JUNCACEAE 



Tertiary, (?) o: Cretaceous, scattered: Older Formations, rare on 

 silicious sandstones and grits at High Point, N. J., 138-190 days. 

 Sea level — 1,800 ft. 



10. J. tenuis Willd. In dry or moist soil: nearly throughout 



North America. 

 Throughout the range. 



11. J. Dudleyi Wiegand. Me. and Ont., Sask., Wash., Conn.. 



Tenn. and Mex. 



Conn. Hartford and Litchfield counties, increasing northwest- 

 ward. 



N. Y. Perhaps, though doubtfully on L. I.; Clove Lake, S. I., 

 probably increasing northward. 



N. J. Sussex and Morris counties. 



Pa. Monroe Co. 



Tertiary, 0: Cretaceous, 0: Older Formations, increasing north- 

 ward. Not south of the moraine. H7-i75days. Sea level-1,827 



ft. 



12. J. secundus Beauv. In dry soil: Me. to N. Y. and N. Car. 



Occasional in the Miss. Valley. 



Conn. Rare over most of the state, decreasing southwestward. 



N. Y. Bronx and Westchester counties; also at Locust Valley, 



L. I. 

 N. J. Passaic and Warren counties, and south in the Delaware 



Valley to Camden Co. 

 Pa. Northampton, Montgomery, Chester and Delaware counties. 



Tertiary, o: Cretaceous, scattered along the Delaware River: 

 Older Formations, not common. 153-176 days. Sea level-350 ft. 



13. J. dichotomus Ell. (J. dichotomiis platyphyllus Wiegand). In 



dry or moist soil: Conn, to Fla. and Tex. near the coast. 



Conn. Coast of New Haven and New London counties. 



N. Y. Suffolk and Nassau counties, L. I., south of the moraine; 



on S. I. at Tottenville (Legget) and at Mariner's Harbor; perhaps 



at Van Courtlandt Park. 

 N. J. Monmouth and Middlesex counties common and increasing 



southward in the coastal counties, decreasing up the Delaware 



River to Camden Co. 

 Pa. Bucks, Montgomery and Delaware counties. 



Tertiary, common: Cretaceous, confined mostly to its approach to 

 brackish water in N. J., Pa., and S. I. Older Formations, scattered 

 along the coast of Conn, and S. I. 190-220 days. About sea level. 



