HOFFMANN: FLORA OF BERKSHIRE COUNTY. 339 
The most clearly marked of the varieties of A. puniceus and appar- 
ently distinct enough to deserve specific rank. 
var. lucidulus Gray, forma albiflorus, f. no v. — CoroUis albis. 
Flowers white. The type collected in a low meadow in Lee, Sept., 
1919, now in the N. E. B. C. collection. 
A. Schreberi Nees. — Dry woods and thickets; common. 
A. tardifolius L. — Shady roadsides; frequent in the valley. 
var. vestitus Fernald. — Occasional. Lee; Sandisfield (Walters); 
Sheffield. Two forms occur: one lax and soft-pubescent, the other 
stiff and harsh-pubescent. 
A. Tradescanti L. — Low ground; occasional. Stockbridge; 
Great Barrington; Sheffield (Walters). Never in the field a very well- 
marked species; too near A. paniculatus. 
A. umbellatus Mill. — (Doellingeria umbellata 111. Fl. ed. 2.) 
Low ground, borders of swamps and mountain streams, roadside 
thickets; common on the plateau and in Clarksburg, elsewhere in 
the valley occasional in swamps. Begins to be common at an altitude 
of about 1500 feet. Not noted on Greylock, rare on The Dome. 
A. undulatus L. — Dry open woods and clearings; common. 
A. vimineus Lara. — Thickets and roadsides in low ground; com- 
mon in the valley, infrequent on the plateau. 
var. foliolosus (Ait.) Gray. — Wet woods and low thickets; fre- 
quent in the valley. 
BELLIS. Daisy. 
B. PERENNis L. — Occasionally established in lawns. • Dalton; 
Stockbridge. 
BIDENS. Bur Marigold. 
B. Beckii Torr. Water Marigold. — {Megalodonta Beckii 111. 
Flora ed. 2.) 
Ponds ; frequent, especially in the valley. 
B. cernua L. Stick-tight. — Wet places; common. 
var. minima (Huds.) DC. — Peat bog, Sandisfield. 
Tiny, spatulate or oblanceolate leaves and usually solitary cam- 
panulate heads. 
B. comosa (Gray) Wiegand.— (Fit/. Rhodora, 17: 25, 1919.) 
Riv(>r l)og, She/Held (Churchill). 
B. connata Muhl. Swamp Beggar-ticks. — Swamps and low 
ground; common. 
