HOFFMANN: FLORA OF BERKSHIRE COUNTY. 229 



C. riparia W. Curtis.— (C. lacustris 111. Fl. ed. 2.) 



Swamps; frequent in the valley. 



C. rosea Schkuhr. — Rich dry woods; common in the valley. 



var. minor Boott. — Rich rocky woods, often on rocks and ledges; 

 common on the hills in the valley. 



var. radiata Dewey. — Rich rocky woods; common. 



C. rostrata Stokes. — Marshes and bogs; frequent. Altitude 

 2000 feet, Hancock. 



var. ambigens Fernald. — ^Bog, Monterey. 



var. utriculata (Boott) Bailey. — Borders of bogs; frequent. 

 Commoner than the type. 



C. scabrata Schwein. — Wet places in woods; frequent. 



C. Schweinitzii Dewey. — Swamps and swales in the Hoosac 

 Valley; Williamstown ("Williams); North Adams (Churchill). This 

 species occurs in Salisbury, Conn., and should be looked for in the 

 southern part of Berkshire Co. 



C. scirpoides Schkuhr. — (C. interior 111. Fl. ed. 2.) 



Swales, wet meadows, swampy woods, borders of bogs and ponds; 

 common. 



var. capillacea (Bailey) Fernald. — (C. Howei III. Fl. ed. 2.) 



Swampy woods; occasional. Washington; Becket; Stockbridge; 

 West Stockbridge; New Marlboro. 



C. scoparia Schkuhr. — Grassland, thickets, low ground; common. 



var. condensa Fernald. — Low ground; common at high altitudes. 



var. moniliformis Tuekerman. — Low ground ; frequent. 



var. subturbinata Fernald & Wiegand. — Vid. Rhodora; 14: 

 116 (1912). 



Distribution not known. Collected in a pasture in Sandisfield, and 

 among boulders in woods in Florida (Fernald and Long). 



C. seorsa E. C. Howe. — Border of peat bog. Ward Pond, Becket; 

 in open swamps, SheiEeld (Bean and Fernald). 



C. setacea Dewey. — The type specimen, collected in Williamstown 

 before 1825, is in the Gray Herbarium. The species has not since 

 been collected in the County, which appears to be the eastern limit of 

 its range. 



C. sparganioides Muhl. — Rich or dry woodland; frequent in the 

 valley. 



C. sterilis Willd. (not of the Man. ed. 7). — Joyner's Marsh, 

 Egremont. 



