1912] Flora of the Boston District,— XV 109 
collected in wet swamps on Fresh Pond, and is in the Gray Herbarium. 
On the label in Francis Boott’s handwriting is “C. vulgaris Fries." 
Tuckerman wrote on the label ** very much like some of my foreign 
specimens of C. stricta.’ Torr.! litt. C. stricta vera, fide Greene!" 
Carey has a long note on the sheet. 
C. scabrata Schwein. Swamps, bogs and wet woods. Not 
reported from northwestern or southeastern towns; eleven scattered 
stations from Andover to Wrentham. 
C. scirpoides Schkuhr. Swamps and  meadows, occasional 
throughout. 
C. scirpoides Schkuhr, var. capillacea (Bailey) Fernald. No 
reports from southeast, but frequent elsewhere. 
C. scoparia Schkuhr. Open places, very common. 
C. scoparia Schkuhr, var. condensa Fernald. Occasional in 
northern two-thirds of district, probably elsewhere. 
C. scoparia Schkuhr, var. moniliformis Tuckerm. Ipswich 
CK. M. Wiegand, July 6, 1908); Cambridge (E. Tuckerman, no date); 
S. Sudbury (M. L. Fernald, W. P. Rich and E. F. Williams, June 17, 
1902); Dedham (C. H. Knowlton, June 13, 1908). 
C. seorsa E. C. Howe. Wet woods and swamps; Georgetown, 
Stoneham, Arlington, Acton, Stowe, Needham, Dorchester, Milton, 
Norwood, Canton, Randolph, Walpole. 
C. setacea Dewey, var. ambigua (Barratt) Fernald. Dry open 
places; scattered stations throughout. 
C. siccata Dewey. Dry sandy places; common in northern half; 
south of Boston and Framingham, reported only from Sharon. 
C. silicea Olney. Sea-beaches and sand-dunes from Plum Island 
to Duxbury; also inland at Andover, Bedford, Concord and Read- 
ville [Hyde Park]. 
C. sparganioides Muhl. Rich woods, rare; Essex County (Wm. 
Oakes, no date); Oak Island, Revere (H. A. Young, June 1, 1879, 
July 9, 1882; E. & C. E. Faxon, June 10, 1879); Melrose ( H. A. 
Young, June 5, 1879); Shaker Glen, Woburn (E. F. Williams, May 30, 
1896); “Winchester (C. E. Perkins); Concord (E. S. Hoar); Malden 
(F. S. Collins)" aecording to Dame & Collins, Fl. Middlesex Co. 
119, 1888 [The Concord specimen of Mr. Hoar's proves to be C. 
muricata L.]; occasional, Blue Hills and Middlesex Fells, according to 
Deane, Fl. Metrop. Park Comm. 94, 1896. 
C. squarrosa L.  N. Andover, one specimen only, between 
