468 ONAGRACEAE 



Conn. New Haven and Fairfield counties, near the coast, de- 

 creasing and rare inland; otherwise unknown. 



N. Y. Not uncommon on the south shore of L. I. 



N. J. Union, Mercer, Middlesex and Monmouth counties, in- 

 creasing southward. 



Pa. Montgomery, Delaware and Chester counties. 



4. K. pratensis Small. Low grounds: Ohio to Iowa, Mo. and 



Ark. Also in N. Eng. and N. Y. 



Known in our area only from near White Plains, N. Y. 



5. K. pumila (L.) Spach. Mostly in dry soil: N. S. to Man., N. 



J., Ga., and Kan. 



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

 Cape May, N. J., and the coastal plain of L. I., there rare. 



6. K. fruticosa (L.) Raimann. In meadows: N. S. to La., Minn. 



Conn. Very rare in New Haven and Fairfield counties, near the 



coast; otherwise unknown. 

 N. Y. Throughout, increasing northward. 

 N. J. Unknown in the pine-barrens, and in the region east and 



south of them ; rare in the region west of the barrens in Gloucester, 



Camden, Burlington and Ocean counties, thence increasing and 



common northward. 

 Pa. Monroe, Northampton, Bucks, Montgomery, Delaware and 



Chester counties. 



Tertiary, o: Cretaceous, very rare: Older Formations, increasing 

 northward. 117-220 days. Sea level-3,365 ft. 



Specimens approximating Kneiffia riparia (Nutt.) Small have been collected on the 

 Hempstead Plains, L. I., and from East Rockaway, L. I.; the species is otherwise 

 known only from N. Car. to Ga. Perhaps not separable from K. linearis. 



9. Gaura L. 



1. G. biennis L. In dry soil: Que. and Ont. to Minn., Ga., 

 Tenn. and Miss. 



Conn. Occasional, perhaps in part adventive. 

 N. Y. West Park, Ulster Co., and at Sag Harbor, L. I. 

 N. J. Along the Delaware from Camden to Warren Co. and at 



Princeton and near New Brunswick. 

 Pa. Northampton Co. southward. 



G. sinuala Nutt. has been collected as a waif near New York. 



