95 



Moms rubra, L. 



" In Essex County, Mass. (Oakes) " (De CandoUe's Prodroraus XVII, 

 p. 246). The specimens in the collection of the P. A. S. from Oakes 

 are marked "New England," probably from western Massachusetts 

 or Vermont. 



M. alba and M. nigra. 

 Oriental species, having long been in cultivation, are to be found 

 near old estates and in gardens. They are rarely seen, however, 

 thoroughly escaped. 



TJrtica dlolca, L. (Common Nettle.) 

 Fence rows, etc. Very common. (Nat. from Eu.) 



Urtica gracilis. Ait. 

 Somewhat resembling the last, and found frequently in similar sit- 

 uations. A native plant. 



Urtica ureus, L. (Small Nettle.) 



"Occasional in Lynn" (Tracy), Kockport (Pool); West Glou- 

 cester, Hamilton, etc. Not very common. (Nat. from Eu.) 



Laportea Canadensis, Gaudichaud. CWood-Nettlb.) 

 This appeared in Salem in the garden of Rev. E. C. BoUes and 

 that of the writer within a few years and continues. They 

 undoubtedly came from seeds in the earth, about plants brought 

 from the woods, but from what locality it is not kcown. 



Pilea pumila, (tco!/. (Richweed; Clbaewbed.) 

 Common in damp shady places. 



BcBlimeria cylindrica, Willd. (False Nettle.) 

 Beaver pond region, Beverly; Essex, Georgetown, Lynn (Tracy), 

 Amesbury, Haverhill, etc. Occasional in wet places. 



Cannabis sativa, L. (Hemp.) 



" Occasional in Lynn" (Tracy) ; Rockport (Tracy, 1863, Proc. E. I. 

 Vol. Ill, p. 276) ; Beverly, 1875; Salem (G. D. Phippen) ; Newbury- 

 port (J. R.). Not seemingly permanent in anyone place, although 

 frequently met with in the county. (Adv. from Eu.) 



Humulus Lupulus, L. (Hop.) 

 "Indigenous northward and westward" (Gray's Manual). Much 

 cultivated and frequently found escaped. 



PLATANACEiB. 



(Plane-tree Family.) 



Platanus ocoidentalis, L. (Buttonwood.) 

 Frequent, both in cultivation and also in remote places. " Ob- 



