1911] Flora of the Boston District,— XII 233 
CYPERACEAE. 
CAREX, A TO C. 
C. ACUTIFORMIS Ehrh. Salt marsh by Old Colony R. R. at Savin 
Hill, Dorchester, from 1865 (Wm. Boott) to 1888 (E. 4: C. E. F axon). 
Station now extinct (J. R. Churchill). 
C. aestivalis M. A. Curtis. Lexington (Wm. Boott, July 2, 1876). 
C. alata Torr. Moist fields, swamps and wet woods. Not re- 
ported from extreme west and south; freely distributed elsewhere 
in district. 
C. albolutescens Schwein. Wet or dry soil; Wilmington, Stone- 
ham, Medford, Malden, Winchester, Framingham, Needham, West- 
wood, Canton, Milton, Hull. The well marked form, C. albolu- 
tescens, var. cumulata Bailey, was found in Medford and Malden 
between July 29, 1853 and July 25, 1863, by Wm. Boott. 
C. aquatilis Wahlenb. Georgetown (Mrs. C. N. S. Horner); Con- 
cord (H. D. Thoreau, Dame & Collins, Fl. Middlesex Co. 116, 1888). 
C. arctata Boott. Blue Hill, Milton (G. G. Kennedy, May 31, 
1899); woods, Purgatory Swamp, Westwood, common (J. R. Churchill, 
June 11, 1892); Bellingham (G. G. Kennedy, Aug. 24, 1894). “ Med- 
ford (C. E. Perkins); Malden (Wm. Boott),” according to Dame & 
Collins, Fl. Middlesex Co. 117, 1888. 
C. aurea Nutt. Boggy meadow, Bradford [Haverhill] (J. A. 
Cushman, June 10, 1908); Salem Great Pastures, swampy place 
between Powderhouse Lane and mill-pond, scarce (J. Robinson, 
June 17, 1879); Cambridge near Mr. Norton’s, no date, “a Cambridge 
specimen, dedit Greene” (on label in Thomas Nuttall’s handwriting), 
specimen in Gray Herb. 
C. Bicknellii Britton. Usually in dry soil; reported from nine 
stations in east-central portion, doubtless throughout in suitable soil. 
C. bromoides Schkuhr. Boggy woods and swamps, occasional; 
West Newbury, Ipswich, Stoneham, Medford, Beaver Brook Reser- 
vation, Woburn, Wellesley, Dover, Hingham. 
C. BRUNNEA Thunb. North Salem, made land, a patch six or 
eight feet across (J. H. Sears, Sept. 23, 1905). An Asiatic species, 
specimen in Gray Herb. 
C. brunnescens Poir. Open woods; Gloucester, Brookline, Fram- 
ingham, Norwood, Brockton; north side of Bear Hill, Middlesex 
