HOFFMANN: FLORA OF BERKSHIRE COUNTY. 209 
GRAMINEAE. GRASS FAMILY. 
AGROPYRON. 
A. caninum (L.) Beauv. Awxed Wheat Grass. — Rocky hills 
and ledges; occasional in the southern part of the valley. West 
Stockbridge Mt. ; Tom Ball, Alford; Bear and Monument Mts., 
Great Barrington; New Marlboro; Sheffield. 
forma glaucum Pease & Moore. — Firf. Rhodora, 12: 71 (1910). 
Limestone ledges, New Marlboro and Sheffield. 
Plants glaucous. 
var. tenerum (Vasey) Pease & Moore. — Vid. Rhodora, 12: 71 
(1910). {A. tenerum 111. Fl. ed. 2.) 
Occasional on limestone hills, Sheffield. 
Spikes generally long and slender (average length about 12-14 cm.), 
3-12 mm. wide, awnless or with awns up to 6 mm. in length. 
A. REPENS (L.) Beauv. Couch or Quick Grass. — Fields, road- 
sides, railroad embankments and cultivated ground; common. 
AGROSTIS. Bent Grass. 
A. alba L. White Bent Grass. — Meadows, fields, borders of 
streams and woods; common. 
var. aristata Gray. — Bunk of Deerfield River, Florida; sandy 
roadside, Lanesboro (Churchill). 
var. maritima (Lam.) G. F. W. Mey.— (A. marifima 111. Fl. ed. 2.) 
Muddy shores and ditches; frequent in the valley, forming tliick 
mats. In full blossom on .\ug. 1 at Nigger Pond, Stoc'kl)ridge, 
probably retarded l)y iiaving !)een submerged. 
var. VULGARIS (With.) Thurl). Red Top. — Fields, boixjcrs of 
woods and streams, occasionally in damp woods and swamps; common. 
A form with elongated inflorescence (.1. sijlmtica h.), occasional. 
A. hyernalis (Walt.) BSP. Hair Grass. — Dry fields, rocky open 
hillsides, roadsides and wet sandy soil; common. 
A. perennanB (Walt.) Tuckerm. Tmx Grass. — Low shadtxl 
ground and cool woods; common. 
ALOPECURUS. FoXT.ui. Gu.\.ss. 
A. aristulatus Miclix. 1'i.oating Foxtail. — (A. (loiiciildtufi, 
var. (iri,ifiil(iliis Man. cil. 7; rid. Kluidora, 19: l(')."i, l!)17.i 
Muddy shores and shallow water; IVciinent in the \allfy. 
