HOFFMANN: FLORA OF BERKSHIRE COUNTY. 337 



var. Furbishiae Fernald. — Shaded bank of brook, Lee. 



var. polycephalus Porter. — With 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. — Wet roadside bank, Sandisfield. 



" The chief characters separating [this species] from A. novi-belgii 

 and A. longifoUus 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" 

 {vid. 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. bif rons (Gray) Fernald. — Low ground, Sheffield. 



var. hirsuticaulis (Lindl.) Porter. — {A. hirsuticaulis 111. 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. — {lonactis linariifolius 111. Fl. ed. 2.) 



Dry open soil; frequent in the southern part of the valley. 



A. longifolius Lam. — Low shaded ground, borders of swamps; 

 frequent in the valley. Flood-plain of the Deerfield 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 open woods, roadside thick- 

 ets; comnion. 



var. excelsior Burgess. — Clearings; occasional. Great Barrington. 



