324 PROCEEDINGS: BOSTON SOCIETY NATURAL HISTORY. 



T. occidentale Gray, var. boreale (Bicknell) Fernald. — Locally 

 common along the Housatonic River in Sheffield. 



THYMUS. Thyme. 



T. Seeptllum 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 VacciniuTn pennsylvanicum in minimacid soil. 



TRICHOSTEMA. Blue Curls. 



T. dichotomum L. Bltje Cubls. — Sandy or gravelly fields; 

 frequent in the valley. 



SOLANACEAE. NIGHTSHADE FAMILY. 

 DATURA. Jamestown Weed; Jimson Weed. 



D. Tatula L. Pueple Thobn Apple. — (D. Stramonium 111. Fl. 

 «d. 2 in part.) 



Adventive on roadside, Sheffield. 



LYCOPERSICUM. Tomato. 



L. ESCULENTUM Mill. ToMATO. — (i. Lycopersicon 111. Fl. ed. 2.) 

 Occasionally self-sown on dumps and on shores of rivers. 



LYCIUM. Matrimony Vine. 



L. HALiMiFOLiUM Mill. CoMMON Matkimony ViNE. — Established 

 in a vacant lot, Lee; spreading on a dry hillside, New Marlboro. 



NICANDRA. 



{Physalodes lU. FL ed. 2.) 



N. Physalodes (L.) Pers. Apple of Peeu. — Waste ground, 

 Sheffield. 



NICOTIANA. Tobacco. 



N. AFFiNis L. & O. — Occasional on dumps. 



