16. Thymus serpyllum L. E. B. 22. 1514. 



In a dry pasture at Boxford. Dr. George Osgood and 

 William Oakes, 1819. 



17. Polygonum articuiatum. L. yoxiQij inultijjlex. Oakes! 

 Stem short, branching from the base, branches very numer- 

 ous, greatly crowded. Ipswich, 1825. 



18. Lolium temulentum, L. E. B, 16. 1124. 

 Observed for many years in great abundance in barley fields 



in Ipswich. It is constantly sowed and reaped with the crop. 



IIL 



From " Notice of some of the Plants of New England, bj William 

 Oakes," ia Hovey's Magazine of Botany, <^t. Vol. 13, pp. 217 — Si20. 



19. Melilotus leucantha, Koch. Torrey and Gray, 1. 821. 

 Partially naturalized in Rowley and in other places in New 



England. 



20. Saxifraga Virginiensis, Michaux. Torrey and Gray, 

 1. 571. variety, chloraniha. Oakes. 



The common color of the flowers of this plant are white, but 

 in the variety, they are pale green. Topsfield, 1842. 



21. Cuscuta epilinum, Weihe. D^Candolle's Prodromus, 

 9. 452. 



On flax in fields in Rowley, 1826, 



22. Stachys palustris, L. Curtis' Fl.Lond. E.B. 24. 1675. 

 Naturalized in Ipswich and other parts of Essex County. 



Exactly the European plant. 



23. Salicornia ambigua, Michaux. 

 At Gloucester. Dr. Pickering, 1825. 



24. Cyperus Grayi. Torrey's Cyperacece^ 280. 

 At Plum Island. 



ADDENDUM. 



25. Lonicera sempervirens. Ait. Botanical Magazine^ 

 Plate 781. 



On a rocky cliff near Marblehead. Russell, 1856 ! 



