HOFFMANN: FLORA OF BERKSHIRE COUNTY. 283 



var. americana Porter. Wood Str.wvberry. — (F. americana 

 111. Fl. ed. 2.) 



Rich open woods and shaded ledges; common in the valley. 



F. virginiana Duchesne. Field Strawberry. — Fields, meadows 

 and roadsides; common. 



Dewey in the Report on Herbaceous Plants of Massachusetts, p. 59, 

 says that " on the hills of Washington, a white fruited strawberry is 

 abundant in the fields. The leaves are somewhat villose." 



var. terrae-novae (Rydb.) Fernald & Wiegand. — Vid. Rhodora, 

 13: 106 (1911). 



Frequent in the same situations as the type, occurring on cold 

 flood-plains of mountain streams (Savoy), dry sandy fields (Pittsfield), 

 or swampy woods (Sheffield). 



Differs from the type in having the pubescence of all the petioles 

 and the scapes closely appressed. 



GEUM. AvENs. 



G. canadense Jacq. White Avexs. — Borders of moist woods; 

 common. 



G. rivale L. Water or Purple Avexs. — Wet meadows and 

 swamps; common. 



G. strictum Ait. Yellow Avens. — Borders of woods and road- 

 side tliic-kcts; common. 



G. virginianum L. — Low ground; occasional. Lenox; Stock- 

 bridge; Sandisfield; Egremont; Sheffield; Mt. Washington (Kiiowl- 

 ton); swamp, West Stockbridge (Evans, Fernald and Knowlton). 



POTENTILLA. rixquEFOiL; Five-finceh. 



P. argentea L. Silvery ("ixovefoil. — Dry fields and i>astures; 

 common. 



P. arguta Pursh. — {Drymocalli.'s (uirimonio'uh's III. Fl. od. 2.) 



Dry soil; occasional. Pittsfield; West Stockl)ridge; ShelfieUl. 



P. canadensis L. Cinquefoil; Five-fixgek. — Fields and open 

 woods; common. 



var. simplex (Mich.x.) T. &. G. — {P. simphx 111. Fl. ed. 2.) 



Dry fields, roadsides and open woods; commoner than the type. 

 Summit of (Ireylock, ;^')()() feet. 



P. fruticosa L. Siikihhy ( "LNyiKioiL; \\\hu-\\\vv..— {Dnsi- 

 p}ior(i fruticosu III. Fl. ed. 2.) 



