HOFFMANN: FLORA OF BERKSHIRE COUNTY. 283 
var. americana Porter. Wood Strawberry. — (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 lea\es 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 Jaeq. White Avens.— Borders of moist woods; 
common. 
G. rivale L. Water or Purple Avens. — Wet meadows and 
swamps; common. 
G. strictum Ait. Yellow Avens. — Borders of woods and road- 
side thickets; common. 
G. virginianum L. — Low ground; occasional. Lenox; Stock- 
bridge; Sandisfield; Egremont; Sheffield; ]Mt. Washington (Knowl- 
ton); swamp. West Stockbridge (Evans, Fernald and Knowlton). 
POTENTILLA. Cinquefoil; Five-finger. 
P. argentea L. Silvery Cinquefoil. — Dry fields and pastures; 
common. 
P. arguta Pursh. — (Drynwcallis (uiriinnui aides III. Fl. ed. 2.) 
Dry soil; occasional. Pittsfield; West Stockbridge; SheiHeld. 
P. canadensis L. Cinquefoil; FivE-FixtiKR. — Fields and open 
woods; coiniiion. 
var. simplex (Michx.) T. &. (i. — {P. simph w 111. Fl. ed. 2.) 
Dry fields, roadsides and open woods; cominoiuM- than the type. 
Sumniit of Cireylock, 3.")(){) feet. 
P. fruticosa L. Shrubby Cinquefoil; Hard-hack. — {Dasi- 
phora fruticosa 111. Fl. ed. 2.) 
