HOFFMANN: FLORA OF BERKSHIRE COUNTY. 211 



BRACHYELYTRUM. 



B. erectum (Schreb.) Beau\\ — Moist woods and flood-plains; 

 common. 



BROMUS. Bkome 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.) Beauv. Reed Bent Grass. — Low 

 meadows, borders of streams and ponds; common. 



CENCHRUS. Sandbur. 



C. carolinianus Walt. Sandbur. — 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 the valley. 

 Lenox; Stockbridge; Great Barrington; Sheffield. Leaves often 

 1.5-L8 cm. broad. 



C. latifolia (Trev.) Griseb. — Cool woods; common. 



A form from Grcylock lias a white stripe down the niid-ril) of tlie 

 leaf- blade. 



