320 PROCEEDINGS: BOSTON SOCIETY NATURAL HISTORY. 
thickets; occasional in the valley. Alford; Great Barrington 
(Walters); New Marlboro; ShefHekl. 
var. mollis (Fernald) Heller. — Thicket, Stockbridge. 
AJUGA. Bugle Weed. 
A. GENEVENSis L. — Established on roadside banks, Pittsfield 
(Lincoln). 
BLEPHILIA. 
B. ciliata (L.) Raf. Wood Mint. — Roadsides and meadows; 
occasional in the southern and western part of the valley. Stock- 
bridge; West Stockbridge; Sheffield. 
B. hirsuta (Pursh) Renth. — Occasional. Wet roadside, West 
Stockbridge; swampy place in woods, Sandisfield (Walters). 
COLLINSONIA. Horse Balm. 
C. canadensis L. Rich-weed. — Rich damp woods; common in 
the valley. Altitude 1600 feet. New Marlboro. 
GALEOPSIS. Hemp Nettle. 
G. Tetrahit L. Common Hemp Nettle.— Shaded brook, Han- 
cock (Churchill). 
Calyx-teeth in fruit 17 to 5 to 11 mm. long. Corolla large, about 
2 cm. long {vid. Rhodora, 12: 142, 1912). 
var. BIFIDA (Boenn.) Lej. & Court. — (6'. Tetrahit Man. ed. 7 in part; 
vid. Rhodora, 12: 142, 1910.) 
Waste places; common. 
Calyx-teeth in fruit 5 to 8 mm. long. Corolla about 14 to 16 mm. 
long and much more slender than in the species. 
KEDEOMA. Mock Pennyroyal. 
H. HiSPiDA Pursh. — Dry fields and limestone ridges; occasional in 
the southern part of the ^•alley and possibly indigenous. Great 
Barrington; Sheffield (Walters); New Marlboro (Walters). 
H. pulegioides (L.) Pers. American Pennyroyal. — Dry woods, 
fields and stony hillsides; common in the valley. 
ISANTKUS. False Pennyroyal. 
I. brachiatus (L.) BSP. — Dry limestone hills; occasional in the 
valley. Williamstown (Churchill); Sheffield. 
