82 Rhodora [APRIL 
REPORTS ON THE FLORA OF THE BOSTON 
DISTRICT,—XLV. 
COMPOSITAE. 
BIDENS (Continued). 
B. discoidea (T. & G.) Britton. Swamps and wet shores, frequent. 
B. Eatoni Fernald. Brackish marshes and margins of Merrimac 
estuary at Salisbury and Newburyport. 
B. Eatoni Fernald, var. fallax Fernald. With the species at Salis- 
bury and Newburyport. 
B. frondosa L. Wet soil, very common throughout. 
B. hyperborea Greene,var. colpophila (Fernald & St. John) Fernald. 
Brackish muddy shore of the Merrimac River at Newburyport (A. 
A. Eaton & M. L. Fernald, Oct. 2, 1902). Specimen in herb. Gray. 
See RHODORA xx. 149, 1918. 
B. laevis (L.) B 5 P. Wet soil; not reported from southern towns, 
but frequent elsewhere. 
B. vulgata Greene. Wet places, frequent. 
B. vulgata Greene, var. puberula (Wiegand) Greene. Roadside, 
Essex (C. H. Knowlton, October, 1909); waste ground, Brighton (C. 
A. Weatherby, Aug. 28, 1918); Boston (C. H. Knowlton, Sept. 13, 1906). 
BOLTONIA. 
B. AsrEROIDES (L.) L'Hér. Escaped from cultivation at Danvers, 
Wakefield, Cambridge, Arlington, Ayer and Scituate. 
B. LATISQUAMA Gray. Dump near old Codman place, Dorchester 
(N. T. Kidder, Sept. 29, 1917). 
BRAUNERIA. 
B. rALLIDA (Nutt.) Britton. Near Prince’s pickle factory off 
Great Plain Ave., Needham (T. O. Fuller, July 3, 1889). See RHODORA 
H. 84-86, 1900. 
[Echinacea purpurea (DC) Britton is reported from Lowell by Dr. 
C. W. Swan in Dame & Collins, Fl. Middlesex Co. 51, 1888; it is also 
reported from Acton by A. W. Hosmer in Ruopora i. 223, 1899; 
these specimens have not been accessible to the Committee for 
verification. | 
