210 PROCEEDINGS: BOSTON SOCIETY NATURAL HISTORY. 



A. PKATENSis L. Meadow Foxtail. — Wet meadows, and fields; 

 occasional. Hancock; Stockbridge; Sheifield. 



ANDROPOGON. Beard Grass. 



A. furcatus Muhl. — Dry fields and roadsides, gravelly shores; 

 frequent in the southern part of the valley and on the flood-plain of the 

 Deerfield River in Florida. 



A. scoparius Michx., var. frequens Hubbard. — {A. scoparius 

 Man. ed. 7 in part; md. Rhodora, 19: 103, 1917. Schizachyrium 

 scopariicm 111. Fl. ed. 2 in part.) 



Dry fields and rocky summits; common in the southern part of the 

 valley, frequent elsewhere. 



ANTHOXANTHUM. Sweet Vernal Grass. 



A. ODOBATUM L. Sweet Vernal Grass. — Meadows, pastures 

 and wood-roads; common. Summit of Greylock, 3500 feet. 



ARISTIDA. TaiPLB-AWNED Grass. 



A. dichotoma Michx. Poverty Grass. — Dry sandy soil, road- 

 sides; occasional in the valley. Pittsfield; New Lenox; Sheffield. 



ARRHENATHERUM. Oat Grass. 



A. ELATius (L.) Beauv. Tall Oat Grass. — First observed in 

 mowing-fields in 1917, has spread and become frequent in the valley. 



ASPERELLA. Bottle-brush Grass. 

 (Hystrix Man. ed. 7 and 111. Fl. ed. 2; vid. Rhodora, 14: 187, 1912.) 



A. hystrix (L.) Humb. Bottle-brush Grass. — ( Hystrix Hystrix 

 111. Fl. ed. 2; Hystrix patula Man. ed. 7; vid. Rhodora, 14: 187, 1912.) 

 Rich woods and rocky ridges; frequent in the valley. 



AVENA. Oat. 



A. FATUA L. — Vacant lot, Pittsfield; dump, Lee; Stockbridge; 

 about old saw-mill, Great Barrington. Neglected garden plot, 

 Sheffield. 



First noted in 1916, apparently becoming more frequent. 



A. SATiVA L. Common Oat. — Frequent in waste places and along 

 roadsides. 



