1924] Flora of the Boston District,—XLIV 57 
A. nemoralis Ait. Wet sphagnum bogs, rare; Georgetown, Box- 
ford, Andover, Tewksbury, Lynn, Melrose, Milton (plants from 
Milton not quite typical); Dracut (C. W. Swan) according to Dame 
& Collins, Fl. Middlesex Co. 48, 1888. 
A. nemoralis Ait., var. Blakei Porter. Wet woods and swamps, 
rare; Hamilton (F. W. Hunnewell, Oct. 1, 1916); Chelmsford (C. 
H. Knowlton, Sept. 20, 1902); Bedford (C. W. Jenks, Aug. 26, 1889 
et seq.). | 
A. novae-angliae L. Moist fields and meadows, frequent and often 
abundant, but not reported south of Scituate, Hingham and Canton. 
White form reported from Woburn, according to M. P. Cook, RHODORA 
i. 82, 1899. 
A. novae-angliae L., forma roseus (Desf.) Britton, Proc. Nat. 
Sci. Assn. Staten Isl, Nov. 8, 1890. Andover, Salem, Cambridge, 
Boston, Acton, Hingham, Scituate. 
A. novi-belgii L. Swamps and wet places, very common through- 
out. 
A. novi-belgii L., var. atlanticus Burgess. "Chelsea Beach," 
Revere (C. E. Faxon, no date). Specimen in herb. Gray. See Britton 
& Brown's Illustrated Flora iii. 370-371, 1898, ed. 1. 
A. novi-belgii L., var. Brittonii Burgess. Salt marsh, “Chelsea 
Beach," Revere, collector and date unknown; railway track, Long- 
wood [Brookline] (Sept. 30, 1877, collector unknown.) Specimens 
in herb. Gray. See Britton & Brown's Illustrated Flora, iii. 370— 
371, 1898, ed. 1. 
A. novi-belgii L., var. laevigatus (Lam.) Gray. Wet places; 
Middlesex Fells, Cambridge, Chelsea, Sherborn, Sharon. A large- 
flowered variety, with thin leaves, and loose, nearly equal bracts in 
the involucre. Seldom collected, and not well known. 
A. novi-belgii L., var. litoreus Gray. Salt marshes and rocky 
seashores, common. 
A. novi-belgii L., forma roseus Rand & Redfield. See Rand & 
Redfield, Fl. Mt. Desert, Maine, 115, 1894. A single fair-sized clump 
growing a little above the level of the salt marsh, Salisbury (R. S. 
Mulliken, Sept. 29, 1920). Specimen in herb. Gray. 
A. paniculatus Lam. Swamps and moist places, irregularly 
distributed throughout. 
A. paniculatus Lam., var. acutidens Burgess. Stony Brook near 
