292 PROCEEDINGS: BOSTON SOCIETY NATURAL HISTORY. 
T. HYBRiDUM L. Alsike Clovkr. — Fields and roadsides; com- 
mon. 
T. PRATENSE L. Red Clover. — Fields, meadows and wood roads; 
common. 
A form with white flowers is occasional. 
T. PROCUMBENS L. — Pasture in the lower part of the Hopper, Wil- 
liamstown. 
T. repens L. White Clover. — 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 FAIMILY. 
LINUM. Flax. 
(CathartoUnum 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 
waste ground and along railroad tracks. W^ashington; Pittsfield; 
Stockbridge; West Stockbridge ; Sheffield. 
L. virginianum L. — (C. virginianum 111. Fl. ed. 2.) 
Edge of dry w^ood, Sheffield. 
OX.\LIDACEAE. WOOD SORREL FAMILY. 
OXALIS. Wood Sorrel. 
{Xanthoxalis 111. Fl. ed. 2 in part.) 
O. americana Bigelow. W'ood Sorrel. — (0. Acetosella Man. ed. 
7; i'i"(f. 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 
