1924] Reports on the Flora of the Boston District, —XLVIII 151 
19, 1906); specimen in herb. Gray; “ Dedham to Ponkapoag" (Wm. 
Boott, Aug. 27, 1869); specimen in herb. Wellesley College. 
S. juncea Ait. Dry sandy soil, very common throughout. 
S. latifolia L. Rich woods; not reported from southern towns, 
occasional northward. 
S. nemoralis Ait. Dry sandy fields and hillsides, very common 
throughout. 
S. puberula Nutt. Dry sandy soil, common throughout. 
[S. rigida L. Reported from Framingham in Rnopona i. 97, 1899, 
but no specimen is available.] 
S. rugosa Mill. Swamps, thickets and waste places; very common 
throughout. 
S. rugosa Mill., var. aspera ( Ait.) Fernald. Ruopona xvii. 7, 1915. 
Fields and woods, common. 
S. rugosa Mill., var. sphagnophila Graves. Swamps and wet mea- 
dows; frequent from Stoneham, Malden and Dedham south toward 
the coast. 
S. rugosa Mill., var. villosa (Pursh) Fernald. Wellesley (F. W. 
IT unnewell, September, 1910). Specimen in herb. F. W. Hunnewell. 
S. sempervirens L. Salt-marshes and seashores, common and 
abundant all along the coast. 
S. serotina Ait. Swamps and thickets; occasional from Sharon, 
Needham and Ashland north. 
S. serotina Ait., var. gigantea (Ait.)Gray. Swamps and meadows; 
no reports from southern towns, but occasional elsewhere. 
S. speciosa Nutt. Dry open woods and fields; occasional and often 
abundant (18 stations). 
S. squarrosa Muhl. Dry ground and open woods, rare; Beverly, 
Burlington, Westford, Groton. 
S. suaveolens Schoepf. (S. odora Ait., see Ruopora xxi. 69-70, 
1919.) Dry woods and fields, common throughout. 
S. tenuifolia Pursh. Wet meadows and sandy shores of ponds; 
frequent in southern towns; rare northward (Rockport, Newburyport, 
Tewksbury, Wilmington, Westford). 
S. ulmifolia Muhl. Dry woods in rich soil; occasional, but appar- 
ently rare in southern towns. 
S. uniligulata (DC.) Porter. Bogs and peaty swamps, frequent. 
S. uniligulata (DC.) Porter, var. neglecta (T. & G.) Fernald. Ruo- 
DORA xxiii. 292, 1921. Bogs and swamps, very common throughout. 
