324 PROCEEDINGS: BOSTON SOCIETY NATURAL HISTORY. 
T. occidentale Gray, var. boreale (Hickntllj Fernald. — Locally 
common along the Housatonic River in Sheffield. 
THYMUS. Thyme. 
T. Serpyllum L. Creeping Thyme. — Thoroughly naturalized 
and locally common on hillsides and along roadsides in calcareous soil 
in the central part of the valley. Altitude of 1400 feet (Gilder Pond, 
Otis). Not noted in suitable localities in Egremont and Sheffield. 
At Berry Pond, Hancock, at an altitude of 2000 feet, a small patch 
growing with Vacciniuvi ycnnsyhanicum in minimacid soil. 
TRICHOSTEMA. Blue Curls. 
T. dichotomum L. Blue Curls. — Sandy or gravelly fields; 
frequent in the valley. 
SOLAN AC EAE. NIGHTSHADE FAMILY. 
DATURA. Jamestown Weed; Jimson Weed. 
D. Tatula L. Purple Thorn Apple. — (D. Stramonium 111. Fl. 
ed. 2 in part.) 
Adventive on roadside, Sheffield. 
LYCOPERSICUM. Tomato. 
L. esculentum Mill. Tomato. — {L. Lycopersicon 111. Fl. ed. 2.) 
Occasionally self-sown on dumps and on shores of rivers. 
LYCIUM. Matrimony Vine. 
L. halimifolium Mill. Common Matrimony Vine. — Established 
in a vacant lot, Lee; spreading on a dry hillside, New Marlboro. 
NICANDRA. 
{Physalodes 111. Fl. ed. 2.) 
N. Physalodes (L.) Pers. Apple of Peru. — Waste ground, 
Sheffield. 
NICOTIANA. Tobacco. 
N. AFFiNis L. & O. — Occasional on dumps. 
