64 
Solidago*arguta, Ait., var. juncea. 
Abundant along walls and in rather moist places. It is aremarkably 
handsome species. 
Solidago Muhlenbergii, Torr. & Gray. 
Georgetown (Mrs. Horner); Boxford; Salem (Rev. J. L. Russell) ; 
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 GoLpEN-Rop.) 
Beverly, Hamidton, 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, ZL. 
Common by the roadsides, with S. altissima. 
Solidago serotina, Ait. 
Resembles the last. Not so common. ‘Occasional in Lynn” 
(Tracy), Beverly, Wenham, etc. Abundant at Revere station (C. 
E. Faxon). 
Solidago lanceolata, Z. 
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, Z. (ComMoNn ELECAMPANE. ) 
‘** Rarein Lynn” (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 salicina, W. 
Escaped at Tapleyville, near the old carpet factory (J. H. Sears), 
Undoubtedly introduced with wool. (Adv. from Eu.) 
Pluchea camphorata, DC. (SaLtT-MArsH FLEABANE.) 
Common on all the salt marshes. 
Silphium perfoliatum, Z. (Cup-PLAnrt.) 
A western species escaped in Danvers (J. H. Sears). 
Iva frutescens, Z. (HIGHWATER SHRUB.) 
Frequent along the edges of the salt marshes. 
Ambrosia artemisicfolia, L. (Roman WoRMWOOD.) 
A weed. The cutting of the leaves very variable. 

