292 PROCEEDINGS: BOSTON SOCIETY NATURAL HISTORY. 



T. HYBEiDUM L. Alsike Clovee. — Fields and roadsides; com- 

 mon. 



T. PRATENSE L. Red Clovee. — Fields, meadows and wood roads; 

 common. 



A form with white flowers is occasional. 



T. PEOCtTMBENS L. — Pasture in the lower part of the Hopper, Wil- 

 liamstown. 



T. eepens L. White Clovee. — Fields, roadsides and lawns; 

 common. 



VICIA. Vetch. 



V. ANGUSTiFOLiA Reichard. — Roadside, Sheffield (Churchill). 



var. segetalis (Thuillier) Koch. — Roadsides and banks; occa- 

 sional. Deerfield River, Florida; Stockbridge; Sheffield. 



V. Cracca L. Blue Vetch. — Meadows and roadsides; frequent 

 in the valley. 



V. viLLOSA Roth. — Sheffield (Walters). 



LINACEAE. FLAX FAMILY. 



LINUM. Flax, 



(Cathartolinum 111. Fl. ed. 2 in part.) 



L. sulcatum Riddell. — (C. sulcatum 111. Fl. ed. 2.) 



Dry gravelly field, Sheffield (Walters). 



L. usiTATissiMUM L. CoMMON Flax. — Occasionally adventive in 

 viraste ground and along railroad tracks. Washington; Pittsfield; 

 Stockbridge; West Stockbridge; Sheffield. 



L. virginianum L. — (C. virginianum 111. Fl. ed. 2.) 



Edge of dry wood, Sheffield. 



OXALIDACEAE. WOOD SORREL FAMILY. 



OXALIS. Wood Sorhbl. 



{Xanthoxalis 111. Fl. ed. 2 in part.) 



0. americana Bigelow. Wood Soeeel.— . (0. Acetosella ]^an. ed. 

 7; OTd. Rhodora, 20: 78,1918.) 



Damp woods; common on the plateau. Occasional in moist woods 

 or cool ravines in the valley. Descends the sides of the plateau to the 

 bank of the Deerfield River at Florida and to the Housatonic River at 



