HOFFMANN: FLORA OF BERKSHIRE COUNTY. 225 



local. New Ashford; Lee; West Stockbridge; New Marlboro; 

 Egremont; Sheffield. Not noted in Stockbridge. 



C. echinata Murr. — (C. stellulata Man. ed. 7; vid. Rhodora, 19: 

 154, 1917. C. Leersii 111. Fl. ed. 2.) 



Borders of ponds and bogs; occasional, chiefly at high altitudes. 

 Ice Pond, summit of Greylock; Florida; South Pond, Savoy (alti- 

 tude 2000 feet); Cheshire (Cushman); Berry Pond, Hancock (alti- 

 tude 2000 feet) ; Washington. 



var. angustata Carey. — Wet meadows and marshes; common. 



var. excelsior (Bailey) Fernald. — Marshes; frequent, especially 

 at high altitudes. 



var. ormantha Fernald. — Wet bank, Florida; springy meadow. 

 Savoy; bog, Hancock (altitude 2000 feet). 



C. festucacea Schkuhr, var. brevior (Dewey) Fernald. — Open 

 sterile soil; common in the southern part of the valley, on hills of 

 glacial drift. Also in Washington at the edge of the plateau. 



C. filiformis L. — (C. lasiocarpa 111. Fl. ed. 2.) 



Open marshes; common. 



C. flava L. — Wet meadows and ditches; common. 



var. elatior Schlecht.^ (C lepidocarpa 111. Fl. ed. 2 in part.) 



Low ground; occasional. Williamstown; Becket; Sandisfield; 

 Monterey; Sheffield. 



var. rectirostra Gaudin. — (C. lepidocarpa 111. Fl. ed. 2 in part.) 



Borders of ponds and marshes, on shores formed by receding water; 

 common. Occasional on wet gravelly slopes. 



C. foenea Willd. — Open rocky woodland; common except on the 

 plateau. 



var. perplexa Bailey. — Thickets; occasional. Florida; Great 

 Barrington; New Marlboro. 



C. foUiculata L. — Marshes and shaded swamps; frequent. 



C. formosa Dewey. — The type station is Stockbridge. The spe- 

 cies is now extremely local there, occurring in moist thickets at two 

 stations about two miles apart. It has been collected at Egremont 

 (Walters). 



C. gracillima Schwein. — ^ Thickets and clearings; common in the 

 valley, occasional on the plateau (Florida, Savoy). On Greylock to 

 the summit. 



C. granularis Muhl. — Wet meadows and roadside ditches; com- 



