HOFFMANN: FLORA OF BERKSHIRE COUNTY. 303 
becoming less common farther south, and confined to cool glens in the 
southern part of the valley. Ice Glen, Stockbridge; Ice Gorge, Great 
Barrington; rich woods, Sandisfield. 
V. septentrionalis Greene. — Open woods, dry clearings, grassy 
hillsides and rocky summits; frequent. Common along the Deerfield 
and Farmington Rivers on dry banks. 
V. sororia Willd. — Rich woods; common, particularly in dry 
woods in the southern part of the valley. A white-flowered form is 
frequent. 
V. triloba Schwein. — Frequent in dry woods in the southern part 
of Sheffield and New Marlboro. Mt. Washington (Walters). 
Hybrids of Viola. 
V. cucullata X fimbriatula. — Frequent. 
V. cucullata X septentrionalis. — Williamstown; Sheffield. 
V. cucullata X sororia. — Cheshire (Brainerd). 
V. fimbriatula X septentrionalis. — Frequent. 
V. fimbriatula X sororia. — Williamstown; Stockbridge. 
V. palmata X affinis. — Great Barrington. 
V. palmata X cucullata. — Sheffield. 
V. palmata X sororia. — Sheffield. 
V. septentrionalis X sororia. — Stockbridge. 
The above determinations have been verified by Mr. F. F. Forbes. 
THYMELAEACEAE. MEZEREUM FAMILY. 
DAPHNE. 
D. Mezereum L. — Established along roadside thickets in Lenox 
and Richmond (Lincoln). 
DIRCA. Leathehwood; Moosewood. 
D. palustris L. Wicopy; Leatherwood; Moosewood. — Damp 
rich woods; frequent. On limestone ridges, Williamstown and 
Sheffield. 
LYTHKAClvVE. LOOSESTRIFE FAMILY. 
DECODON. Swamp Loosestrife. 
D. verticillaris (L.) K!l.. \ ;ir. laevigatus T. &. G. — {D. irrticil- 
laris Man. ed. 7 in part; ;•/(/. Uhodora 19: 154, 1917.) 
