460 ELAEAGNACEAE 



N. J. Along the Delaware in Salem, Gloucester and Camden 

 counties, a single station in Mercer Co., thence scattered north- 

 ward; not in the pine-barrens. 



Pa. Northampton, Bucks, Berks and Chester counties. 



Tertiary, o: Cretaceous, rare in the drainage of the Delaware. 



Older Formations, increasing northward, but nowhere common. 



117-220 days. Sea level-2,900 ft. 



The Lady Laurel, Daphne Mezereum L. is known in our arf a only as a very rare escape 

 from gardens. 



ELAEAGNACEAE 

 1. Elaeagnus [Tourn.] L. 

 1. E. argentea Pursh. James Bay to the N. W. Terr., Que., 

 Minn., S. Dak. and Utah. 



Nowhere as a wild plant in our area, sometimes escaping from 

 gardens. 



Elaeagnus angustifolia L. has been collected in Chester Co., Pa., as an escape from 

 cultivation. It is scarcely persistent. 



LYTHRACEAE 



Calyx-tube campanulate or hemispheric; flowers regular. 

 Flowers small, axillary, solitary or few; low herbs. 



Capsule bursting irregularly. I. Ammannia. 



Capsule septicidally dehiscent. 2. Rotala. 



Flowers large, in axillary cymes; large aquatic shrub. 3. Decodon. 



Calyx-tube cylindric; flowers regular. 4. Lythrum. 



Calyx-tube tubular, oblique; flowers irregular. 5. Parsonsia. 



i. Ammannia [Houst.] L. 

 1. A. Koehnei Britton. In swamps: N. J. to Fla. 



Known in our area only from specimens collected in the Hacken- 

 sack Marshes, N. J. Not seen there since 1868. 



The reported occurrence in N. J. of A. coccinea Rottb. appears to be an error. 



2. Rotala L. 

 1. R. ramosior (L.) Koehne. In swamps: Mass. to Fla., 111., 

 Neb., Tex. and Ky. 



Conn. Rare and local near the coast, unknown elsewhere. 

 N. Y. On L. I. and S. I.; reported but not definitely known from 



Pine Plains, Dutchess Co. 

 N. J. Rare and local throughout the state. 

 Pa. Delaware and Chester counties. 



A rare and local plant, confined for the most part to the coastal 

 plain. 



