HOFFMANN: FLORA OF BERKSHIRE COUNTY. 337 
var. Furbishiae Fernald. — Shaded bank of brook, Lee. 
var. polycephalus Porter. — ^Yith the type; frequent. 
A. divaricatus L. — Open woods; common. Almost to the sum- 
mit of Greylock, 3400 feet. 
A. dumosus L. — Sheffield (Walters). Specimen examined but 
since lost. 
A. ericoides L. — Dry open soil; common in the southern part of 
the valley, frequent elsewhere in the valley. 
Specimens from Stockbridge approach var. Pringlei Gray. 
var. villosus T. & G. — With the type; occasional. 
A. f oliaceus Lindl. — W^et roadside bank, Sandisfield. 
" The chief characters separating [this species] from A. novi-helgii 
and A. longifolms are its very few large heads (involucre, excluding 
the enlarged outer bracts, 7-9 mm. high) chiefly solitary on elongate 
pedicels which are naked or have 1 or 2 large dilated foliaceous bracts, 
and the essentially equal herbaceous or foliaceous involucral bracts" 
{xid. Rhodora, 17: 13, 1915). 
A. laevis L. — Dry soil, borders of woods and roadside thickets ; 
common in the valley. 
var. amplifolius Porter. — With the type, Stockbridge. 
A. lateriflorus (L.) Britton. — Thickets in low ground; common 
in the valley. 
var. bifrons (Gray) Fernald. — Low ground, Sheffield. 
var. hirsuticaulis (Lindl.) Porter. — {A. hirsuticaulislW. Fl. ed. 2.) 
Swampy woods; frequent in the valley. Occasionally in dry 
thickets, Sheffield. 
var. thyrsoideus (Gray) Sheldon. — Thickets in low ground; fre- 
quent. 
A. linariifolius L. — {lonadis linariifolii(s 111. Fl. ed. 2.) 
Dry open soil ; frequent in the southern part of the valley. 
A. longifolius Lam. — Low shaded ground, V)orders of swamps; 
frequent in the \alley. Flood-plain of tiie DeerHeld River, Florida. 
var. villicaulis Gray. — Low ground; frequent in the valley. Often 
associated with the type. 
A. Lowrieanus Porter, var. lanceolatus Porter. — Sheffield 
(Walters). Determined by Professor Fernald. 
A. macrophyllus L. — Clearings and ojien woods, roadside thick- 
ets; conniion. 
var. excelsior Burgess. — Clearings; occasional. Great Barrington. 
