210 PROCEEDINGS: BOSTON SOCIETY NATURAL HISTORY. 
A. PRATENSis L, Meadow Foxtail. — Wet meadows, and fields; 
occasional. Hancock; Stockbridge; Sheffield. 
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. scopariiis 
Man. ed. 7 in part; vid. Rhodora, 19: 103, 1917. Schizachyrium 
scoparium 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. ODORATUM L. Sweet Vernal Grass. — Meadows, pastures 
and wood-roads; common. Summit of Greylock, 3500 feet. 
ARISTIDA. Triple-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 patul a 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. 
