HOFFMANN: FLORA OF BERKSHIRE COUNTY. 211 
BRACHYELYTRUM. 
B. erectum (Schreb.) Beauv'. — Moist woods and flood-plains; 
common. 
BROMUS. Brome Grass. 
B. altissimus Pursh. — -Rich moist soil; common along streams 
and in low ground. 
B. ciliatus L. — Moist woods and low meadows; common. 
B. coMMUTATUS Schrad. — (B. racemosus 111. Fl. ed. 2 in part.) 
Moist meadow and dooryard, Stockbridge. 
B. HORDEACEUS L. SoFT Chess. — Grassland, Stockbridge. 
B. inermis Leyss. — Railroad embankment, Stockbridge. Speci- 
men determined by Mrs. Agnes Chase. 
Flowering scales awnless or merely awn-pointed. 
B. Kalmii Gray. Wild Chess. — Dry woods and low meadows; 
occasional. Stockbridge; New Marlboro; Sheffield. 
B. purgans L. — Rocky woods; frequent. 
B. RACEMOSUS L. — Recently seeded meadow, Stockbridge. 
B. SECALiNUS L. Cheat; Chess. — Waste ground; occasional. 
Pittsfield; Stockbridge; Great Barrington. 
B. TECTORUM L. — Waste ground; occasional. Lenox; Stockbridge; 
Great Barrington; locally common along the railroad below Housa- 
tonic. 
CALAMAGROSTIS. Reed Bent Grass. 
C. canadensis (Michx.) Beuuv. Reed Bent Grass. — Low 
meadows, borders of streams and jjonds; common. 
CENCHRUS. Sandbur. 
C. carolinianus Wait. Saxdbur. — Sandy soil; locally common 
in the southern part of Sheffield, also on dump at woolen mill, Pittsfield. 
CINNA. Wood Reed Grass. 
C. arundinacea L. — Wooded swamps; occasional in tlie valley. 
Lenox; Stockbridge; Great Barrington; Sheffield. Leaves often 
1.5-l.f^ cm. broad. 
C. latifolia (Trev.) Griseb. — Cool woods; conunon. 
A form from Greylock has a white stripe down tlic mid-rib of the 
leaf-blade. 
