LYTHRACEAE 46 1 



3. Decodon J. F. Gmel. 



1. D. verticillatus (L.) Ell. In swamps: Me. to Fla., Out., 



Minn., Ky. and La. 



Conn. Not very common but found over most of the state. 



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



to Pine Plains, Dutchess Co., unknown northward. 

 N. J. Common throughout the state, decreasing northward. 

 Pa. Pike, Carbon, Luzerne, Northampton, Berks and Delaware 



counties. 



Distribution apparently more restricted in N. Y. than elsewhere, 

 otherwise rather scattered. 



4. Ly thrum L. 



Flowers axillary, solitary'; stamens not more numerous than the 

 petals. 

 Leaves mostly alternate. 



Leaves obtuse, stamens all included; annual. I. L. Hyssopifolia. 



Leaves acute, stamens of short-styled flowers exserted; 



perennial. 2. L. alatum. 



Leaves mostly opposite. 3. L. lineare. 



Flowers in panicled spikes, terminal; stamens twice as many as the 



petals. 4. L. Salicaria. 



i. L. Hyssopifolia L. Borders of salt marshes: Me. to N. J. 

 Also in Cal. and S. Am. Also in Europe. 



Known, in our area, only from borders of salt marshes on S. I. 

 and at Girard's Point, Camden, N. J.; recorded from coastal 

 marshes in N. J. 



2. L. alatum Pursh. In low grounds: S. Ont. to Mass., Ky., 



S. Dak. and Kan. 



Conn. Rare and scattered over most of the state, but unknown 



northeastward. 

 N. Y. Unknown on L. I. and S. I., formerly near Fordham, very 



rare northward. 

 N.J. Known only from Monroe Corner, Sussex Co., Pennington, 



Mercer Co., Monmouth Junction, New Egypt, Williamstown 



Junction, Beach Haven, and Cape May; perhaps introduced at 



all these stations. 

 Pa. Delaware Co. 



Rather inexplicably scattered in its distribution. 



3. L. lineare L. Borders of salt marshes: N. J. to Fla. and Tex. 



Rare and local in the salt marshes from the Hackensack Meadows 

 to Cape May, N. J., not otherwise known. 



