HOFFMANN: FLORA OF BERKSHIRE COUNTY. 225 
local. New Ashford; Lee; West Stoekbridge; New Marlboro; 
Egremont; Sheffield. Not noted in Stoekbridge. 
C. echinata Murr. — (C. siellulata 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 
Burringtoii; New Marlboro. 
C. folliculata L. — Marshes and shaded swamps; frequent. 
C. formosa Dewey. — The type station is Stoekbridge. 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 })lateau (Florida, Savoy). On Greylock to 
the summit. 
C. granularis Mulil. — Wet meadows and roadside ditches; com- 
mon. 
