HOFFMANN: FLORA OF BERKSHIRE COUNTY. 221 



PHRAGMITES. Reed. 



P. communis Trin. Reed. — (P. Phragmites 111. Fl. ed. 2.) 

 Border of boggy pond, Stockbridge; boggy meadow, Sheffield. 

 The Stockbridge station was noted by Dewey in 1829. 



POA. Meadow Grass. 



P. alsodes Gray. — Moist woods, and borders of brooks; common. 



P. ANNUA L. Low Spear Grass. — Cultivated and waste ground; 

 common. Altitude 2000 feet, Savoy. 



P. compressa L. Wire Grass. — Sterile soil, in fields and rocky 

 woods, boggy meadows; common. 



P. debilis Torr. — Dry wooded slopes; occasional. Egremont; 

 Richmond; swamp, Sheffield (Churchill). 



P. nemoralis L. — Low ground and rocky woods; occasional. 

 Williamstown (Churchill) ; West Stockbridge; Stockbridge. 



P. PRATENsis L. Spear Grass; Kentucky Blue Grass. — Fields, 

 hillsides, open places in woods; common. 



P. saltuensis Fernald & Wiegaiid. — (P. debilis Man. ed. 7 and 111. 

 Fl. ed. 2 in part; rid. Rhodora, 20: 122, 1918.) 



Woods; frequent on the upland. 



P. salhicnsis is very similar in aspect to P. debilis but the latter 

 species has usually shorter, obtuse and nuich firmer chartaceous lem- 

 mas; broader glume, with mostly scal)rous keels; longer cauline ligules 

 (usually 2 to 2.5 nmi. long) ; and smaller anthers (0.6 to 0.8 mm. long). 



P. palustris L. Fowl Meadow Grass. — (P. triJJora Man. ed. 7 

 and 111. Fl. ed. 2; rid. Rhodora, 18: 235, 1910.) 



Wet meadows; common. A narrow form occurs in woods and on 

 hillsides. 



P. TRiviALis L. Rough-stalked Meadow Grass. — Low ground, 

 chiefiy along brooks and borders of swamps; common in the valley. 

 Not noted on the plateau. 



SECALE. Ryk. 



S. cereale L. Rye. — Occasionally self-sown on roadsides. 



SETARIA. Bkistly Foxtail Grass. 

 (Chactochloa 111. Fl. cd. 2). 



S. lutescens (Weigcl) Hubbard. Foxtail; Pigeon Grass. — 

 (S. glauca Man. ed. 7.) 



Cultivated groiMid; coiniiiou. 



