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 

 Harrington; 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; SheflBeld. 



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. — SheflSeld. 



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. MEZEEEtTM L. — Established along roadside thickets in Lenox 

 and Richmond (Lincoln). 



DIRCA. Leathehwood; Moosbwood. 



D. palustris L. Wicopt; Leathekwood; Moosewood. — Damp 

 rich woods; frequent. On limestone ridges, Williamstown and 

 Sheffield. • 



LYTHRACEAE. LOOSESTRIFE FAMILY. 

 DECODON. Swamp Loosestrife. 



D. verticillaris (L.) Ell., var. laevigatus T. &. G. — (D. verticil- 

 laris Man. ed. 7 in part; vid. Rhodora 19: 154, 1917.) 



