230 PROCEEDINGS: BOSTON SOCIETY NATURAL HISTORY. 
For the distinction between this species, with much developed 
staminate spikes, and C. athmtica Bailey, vid. 111. V\. ed. 2. 
C. stipata Muhl. — Swales and swamps, wet places in woods; 
common. 
C. straminea Willd. — Meadows, pastures, roadsides, and open 
woodland; t"re(iuent. 
var. echinodes Fernald. — Dry woods, West Stockbridge. 
C. stricta Lam. — Swamps and wet meadows, borders of lakes and 
streams; common. 
var. angustata (Boott) Bailey. — With the type, but less common. 
var. curtissima Peck. — (C. stricfior Dewey; vid. Bull. Torr. Bot. 
Club, 40: 415, 1915.) 
Occasional; Williamstown (Dewey); Florida; Hancock, altitude 
2000 feet; Stockl)ridge; Sheffield (Churchill). 
var. decora Bailey. — (C. Haydcni 111. Fl. ed. 2.) 
Occasional; Williamstown (Dewey); Savoy. 
C. tenella Schkuhr. — (C. disperma 111. Fl. ed. 2.) 
Cold shaded swamps; common. 
C. tetanica Schkuhr., var. Woodii (Dewey) Bailey. — Two sta- 
tions in Stockbridge: one a low spot in a meadow, the other a wet 
hillside. The species has been collected in Salisbury, Conn., and 
should be looked for in the southern part of the County. A sheet in 
the Gray Herbarium collected by Dewey in Stockbridge before 1826 
and labelled by him C. tetanica is this variety. 
C. tincta Fernald. — (C. mirabilis, vslt.- tincta Man. ed. 7; vid. 
Rhodora, 15: 186, 1913.) 
Fields and roadsides; common in the Deerfield Valley, Florida; 
occasional on the plateau. Altitude 2000 feet, Florida. 
C. torta Boott. — Among the stones along moinitain brooks, and 
along the borders of the Deerfield and Farmington Rivers; com- 
mon. 
C. tribuloides Wahlenb. — Low ground, particularly in swales in 
the valley; freciuent. Not noted on the plateau. A form with a 
very crowded inflorescence is occasional with the type. 
var. turbata Bailey. — Occasional, Otis. 
C. triceps Michx., var. hirsuta (Willd.) Bailey. — (C. complanata 
111. Fl. ed. 2.) 
Dry open woodland, clearings, and hillside pastures; common in 
the valley. 
