64 



Solidago arguta, Ait., var. juncea. 



Abundant along walls and in rather moist places. It is a remarkably 



handsome species. 

 Solidago Muhlenbergii, Torr. & Gray. 



Georgetown (Mrs. Horner) ; Boxford ; Salem (Eev. J. L. Eussell) ; 



Haverhill, etc. Not very common, and mostly in the older woods. 

 Solidago linoides, Solander. 



Andover (Mrs. Downs) ; "occasional in Lynn" (Tracy). Not in 



the P. A. S. county herbarium. 

 Solidago altissima, L. 



Common along the roadsides by walls. 

 Solidago odora. Ait. (Sweet Golden-Eod.) 



Beverly, Hamilton, Ipswich (Oakes), Amesbury, Methuen, etc. 



Not very common. 

 Solidago nemoralis, Ait. 



A small but gorgeous species with one-sided racemes. Common in 



dry fields. 

 Solidago Canadensis, L. 



Common by the roadsides, with S. altissima. 

 Solidago serotina, Ait. 



Eesembles the last. Not so common. "Occasional in Lynn" 



(Tracy), Beverly, Wenham, etc. Abundant at Eevere station (C. 



E. Faxon). 

 Solidago laneeolata, L. 



Common along the roadsides and by walls. Most of the Golden- 

 rods are quite interesting under cultivation; many have been so 



treated with success by Mr. G. D. Phippen, of Salem. 



Inula Helenium, L. (Common Blbcampanb.) 



" EareinLynn" (Tracy) ; Hamilton (G. D. Phippen) ; North Andover, 

 Topsfield, Lawrence, etc. Frequent along the roadsides and near 

 old houses in the central county towns. (Nat. from Eu.) 



Inula salieina, W. 

 Escaped at Tapleyville, near the old carpet factory (J. H. Sears). 

 Undoubtedly introduced with wool. (Adv. from Eu.) 



Plucliea eamphorata, DC. (Salt-marsh Fleabane.) 

 Common on all the salt marshes. 



Silphium perfoliatum, L. (Cop-Plant.) 

 A western species escaped in Danvers (J. H. Sears). 



Iva frutescens, X. (Highwater Siiitun.) 

 Frequent along the edges of the salt marshes. 



Ambrosia artemisisefolia, L. (Eoman Woi!mwood.) 

 A weed. The cutting of the leaves very variable. 



