HOFFMANN: FLORA OF BERKSHIRE COUNTY. 321 
LAMIUM. Dead Nettle. 
L. AMPLEXiCAULE L. — Adventive in a vacant lot, Pittsfield; culti- 
vated ground, Stockbridge; cultivated field, Sheffield. 
LEONURUS. Motherwort. 
L. Cardiaca L. — Waste ground about farm buildings and old sites; 
common. 
LYCOPUS. Water Horehound. 
L. americanus Muhl. — Low ground; common in the valley. 
L. uniflorus Michx. Bugle Weed. — Low^ shaded ground; com- 
mon. 
L. virginicus L. Bugle Weed. — Rich moist soil; frequent in 
the valley. 
MENTHA. Mint. 
M. arvensis L. — Low ground; frequent. 
var. canadensis (L.) Briquet. — (M. canadensis 111. Fl. ed. 2.) 
Wet places; common. 
var. lanata Piper. — Big Pond, Otis. 
M. Cardiaca Gerarde. — A specimen in the N. E. B. C. herbarium, 
collected in Berkshire Co., locality not given- 
M. PIPERITA L. Peppermint. — Brooks; frequent in the valley. 
M. spiCATA L. Spearmint. — Along brooks and wet places in 
meadows; frequent in the valley. 
MARRUBIUM. Horehound. 
M. vulgare L. Common Horehound. — On dump at woolen 
mill, Pittsfield. 
MONARDA. HoiisK Mint. 
M. DiDYAL\ L. Oswego Tea; Bee Balm. — Occasionally estab- 
lished near dwellings. Pittsfield (Lincoln); Sheffield; Sandisfield 
(Walters); in a damp thicket in Great l^arrington, as if native. 
M. FisTULOSA L., var. rubra Gray. Wild Bergamot. — Near 
dwelling, Lanesboro (Churchill). 
M. mollis L. Wild Bergamot. — Hillsides and thickets in 
calcareous soil; locally common in the southwestern part of the 
vallev, as far east as the borders of l.vv ami l\b)nlcrc\v. 
