HOFFMANN: FLORA OF BERKSHIRE COUNTY. 273 



bridge; Great Barrington (Walters); West Stockbridge (Cushman); 

 New Marlboro; Sheffield; IMt. Washington (Cushman). Frequent 

 in Sheffield. 



A. Drummondi Gray. — Wooded bank, Florida. 



A. glabra (L.) Bernh. — Banks and wooded slopes; occasional in 

 the valleys. Florida; North Adams (Churchill); New Marlboro; 

 Great Barrington (Schweinfurth). 



A. hirsuta (L.) Scop. — Dry shaded banks and ledges; occasional 

 in the valley. North Adams (Fernald and Long) ; Adams (Knowlton 

 and Bean); Stockbridge; Great Barrington (Walters); New Marl- 

 boro; Sheffield. 



A. laevigata (Mulil.) Poir. — Dry wooded hillsides and shaded 

 banks; frequent in the valley. 



A. lyrata L. — On rocks; occasional. Locally common on West 

 Stockbridge Mt., West Stockbridge; Sandisfield; Mt. Washington; 

 Sheffield. 



BARBAREA. Wi.\t?:r Cress. 



B. vulgaris R. Br.— (B. Barbarea 111. Pi. ed. 2.) 



Low ground, roadside ditches, rich shaded banks and along streams; 

 common. 



Siliques on more or less divergent or slender, spreading ascending 

 pedicels. 



var. BRACHYCARPA Rony & Foucand. — Cultivated ground, Lanes- 

 boro (Churchill). 



var. longisiliqua Carion. — (B. stricta Man. ed. 7 and 111. Fl. ed. 2; 

 md. Riiodora, 11: 139, 1909.) 



With the same habitat as the type; common in the valleys. 



Siliques closely appressed to the rhachis. 



BERTEROA. 



B. INCANA (L.) DC— Dry roadside, Cheshire (Churchill); Pitts- 

 field (Lincoln); roadside, West Stockl)ridgo; railroad track, Lee; 

 edge of grain-field. Great Barrington. 



BRASSICA. Mustard; Turnip. 

 B. ARVENSi.s fL.) Kt/c. ( "iiAULorK. — (Sitwpis nrrrn.tis 111. Fl.ed.2.) 

 Fields; conunon. 



