
49° 
Potentilla arguta, Pur'sh. 
Lynnfield Hotel Station (Mrs. Horner); Salem Pastures (S. B. 
Buttrick); Gloucester (Mrs. Babson); Andover (Mrs. Downs). 
Not very common. 
Potentilla Anserina, Z. (SILVER-WEED.) 
Salt marshes. Common. 
Potentilla fruticosa, Z. (SuruBBy CINQUE-FOII. ) 
*« Serpentine quarry, Lynnfield ” (Tracy) ; Rockport (Frank Lufkin) ; 
‘““Turkey hill” and ‘‘ Pine swamp,” Ipswich. The stems of this 
species are sometimes more than half an inch in diameter, Al- 
though abundant in the above localities, this may be considered 
as scarce in the county. This plant is a great pest in portions of 
western Massachusetts. 
Potentilla tridentata, Ait. 
Gloucester (Mrs. Babson); Rockport (Frank Lufkin). Scarce. 
Potentilla palustris, Scop. (Marsu FIve-FINGER.) 
Danvers” (Dr. Osgood’s list); Wenham (Dr. Chas. Pickering). 
Not in the county collection at the P. A. S. Scarce. 
Fragaria Virginiana, Ehrhart. (CoMMON STRAWBERRY.) 
Damp ground or hillsides. Common. 
Fragaria vesca, L. (LONG-FRUITED STRAWBERRY. ) 
Although this has been reported from several places, the only 
specimens seen were collected at Boxford. Scarce. 
Rubus Dalibarda, Z. (Dalibarda repens, Z. Gray’s Manual.) 
Manchester woods (Mrs. Babson and others). 
Rubus odoratus, Z. (PurPLE FLOWERING-RASPBERRY.) 
Amesbury (J. G. Whittier); Andover (Mrs. Downs), etc. Common 
in rocky places. Higginson speaks of this plant as growing near 
Salem in 1629, and the locality where it now flourishes in Salem 
Great Pastures was considered by Dr. Chas. Pickering to be the 
same one known to Higginson. Frequent in cultivation in the last 
century as noted by Cutler in 1783. 
Rubus triflorus, Richardson. (DwarFr RASPBERRY.) 
‘¢ Essex County” (memo. Dr. Chas. Pickering); ‘‘ Danvers” (Bige- 
low’s Fl. Bost. 2nd. ed. 1824) 1877 (J. H. Sears). Growing in moist 
places rather than dry hills as spoken of by some writers. Scarce. 
Rubus strigosus, Michx. (Wi1LD RED RASPBERRY. ) 
Common by roadsides and in rocky places. 
Rubus occidentalis, Z. (THIMBLEBERRY.) 
_ Frequent in most towns of the county. 
Rubus Canadensis, Z. (Low BLackBERRY; DEWBERRY.) 
Fields and borders of woods. Common. 
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