54 



Epllobium hirsutum, L. 



Appeared in old gardens and waste heaps in Salem about 1860, ar 

 still continues in some places. 



CEnothera biennis, L. (Evknikg Pkimrosb.) 



Very common and variable. 

 Var. grandiflora is often met with in cultivation, occasional 



in a wild state, its size is probably the result of rich soil, the flowe: 



often being four inches in diameter. 

 Var. parviflora. In gravelly soil. 

 Var. cruciata. "E. E. R. road-bed in Wenham or North Beverl; 



1870" (G. D. Phippen). 

 CEnothera fruticosa, L. (Sundrops.) 



Beverly Farms (John C. Phillips). Perhaps introduced. A beai 



tifnl plant for cultivation. 

 CEnothera pumUa, L. 



Common. About as variable as CE, biennis. Delicate specimei 



only a few inches high, and stout ones three feet tall, have bee 



found ; the latter may have been from the biennial roots spokeu i 



in Gray's Manual. 



Ludwigia alternifolia, L. (Seed-box.) 



North Andover (Russell) ; Amesbury (J. E.) ; Lynn (Tracy 



Rather scarce. 

 Ludwigia palustris, L. (Water Purslane.) 



Muddy places. Quite common. 



MELASTOMACEiE. 



(Mklastoma Family.) 



Bhexia Virginica, L. (Meadow-Beauty.) 

 Borders of ponds and swampy places. Not very common excej 

 in the central and northern portions of the county. 



LYTHRACEJE. 



(Loosestrife Family.) 



Ammannia humilis, Michx. 



" Danvers, 1818, Dr. Nichols (Oakes in Hovey's Mag. Vol. XIIi; 

 " muddy strand and dry pools, Humphrey's pond " (memo. Dr. Cha 

 Pickering). 



