HOFFMANN: FLORA OF BERKSHIRE COUNTY. 227 
Rich woods; occasional. Savoy; Pittsfield; Stockbridge; Shef- 
field (Walters). 
C. lenticularis ^Slichx. — Gravelly borders of ponds and rivers; 
occasional. Savoy; Florida. 
Perigynia ovate-elliptic, slightly convex both sides, longer than the 
narrow oblong, obtuse scales. 
var. Blakei Dewey. — J^id. Wood, Class Book, p. 755 (1861). 
Sandy shore of Big Pond, Otis. 
Perigynia nearly elliptical, scales obtuse and always shorter than 
the perigynia. 
C. LEPORiNA L. — Pastures; occasional. Sandisfield; New Marlboro, 
C. leptalea Wahlenb. — Wet shaded ground; common. 
C. leptonervia Fernald. — (C. laxiftora, var. leptoncrria Man. ed. 
7; C. auccps 111. Fl. ed. 2 in part. Vid. Rhodora, 16: 214, 1914.) 
fold woods and swamps; common. 
C. limosa L. — Open peat bogs; local. Stockbridge; Sheffield. 
C. longirostris Torr. — (C. Sprengelii 111. Fl. ed. 2.) 
Alluvial thickets; occasional in the valley. Lenox (Hill, Schneider 
and Schweinfurth) ; Stockl)ridge; Sheffield. On shaded rocks in 
New Marlboro. 
C. lupulina IVIuhl. — Mudholes, borders of ponds and marshes; 
frequent. 
var. pedunculata Dewey. — Mudholes and marshes; occasional 
in the southern part of the valley. Lenox; Great Barrington; New 
Marlboro. 
C. lurida Wahlenb. — Low open ground; common, 
var. gracilis (Boott) Bailey.— (C. Bailci/i 111. Fl. ed. 2.) 
Cheshire, wet slide above Kitchen Brook (Churchill); New Marl- 
boro, Thousand Acre Swamp. 
C. mirabilis Dewey. — (C. nonnalis 111. Fl. ed. 2.) 
Roadside tliickets, clearings, copses; common, 
var. perlonga Fernald. — Borders of thickets; occasional on the 
plateau. Ucckct ; Sandisfield. 
C. Muhlenbergii Schkuhr. — Dry open soil; rare. Stockbridge 
(Dewey); Sheffield. 
C. novae-angliae Schwein. — Rocky woods and banks; common 
on the i)latcau; rare in the \alley. Reaches the bank of tiie Ilousa- 
tonic River in Lenox (altitude 1000 feet). Rich soil on lU-ny Mt., 
Hancock. 
