272 PROCEEDINGS: BOSTON SOCIETY NATURAL HISTORY. 



PAPAVER. Poppy, 



P. Rhoeas L. Field or Corn Poppy. — Occasionally persisting 

 about gardens or adventive on dumps. 



P. soMNiFERUM L. CoMMON PoppY. — Occasionally peisisting 

 about gardens or adventive on dumps. 



SANGUINARIA. Bloodroot. 



S. canadensis L. Bloodroot. — Rich open woods and thickets, 

 often at the foot of ledges ; common in the valley. Not noted on the 

 plateau above 1000 feet. Altitude 1200 feet, West Stockbridge. 



FUMARIACEAE. FUMITORY FAMILY. 



ADLUMIA. Climbing Fumitory. 



A. fungosa (Ait.) Greene. Climbing Fumitory. — On rocks in 

 rich open woods ; occasional in the valley. Williamstown (Churchill) ; 

 Stockbridge; West Stockbridge; New Marlboro; Mt. Washington. 



CORYDALIS. CoRYDALis. 

 {Capnoides 111. Fl. ed. 2.) 



C. sempervirens (L.) Pers. Corydalis. — Ledges, rocky summits 

 and clearings; common. Not noted on the plateau. 



DICENTRA. 



{BicucuUa 111. Fl. ed. 2.) 



D. canadensis (Goldie) Walp. Squirrel Corn. — Rich woods; 

 frequent. 



D. Cucullaria (L.) Bernh. Dutchman's Breeches. — Rich wood- 

 ed hillsides; frequent in the valley. Altitude 2700 feet, Greylock. 



FUMARIA. Fumitory. 



F. officinalis L. Fumitory. — Occasionally persisting in gardens 

 and on rubbish heaps. Pittsfield; Stockbridge; Sandisfield. 



CRUCIFERAE. MUSTARD FAMILY. 



ARABIS. Rock Cress. 



A. canadensis L. Sickle-pod. — Dry wooded hills and banks; 

 occasional in the valley. North Adams (Fernald and Long); Stock- 



