230 PROCEEDINGS: BOSTON SOCIETY NATURAX HISTORY. 



For the distinction between this species, with much developed 

 staminate spikes, and C. atlantica Bailey, vid. 111. Fl. ed. 2. 



C. stipata Muhl. — Swales and swamps, wet places in woods; 

 common. 



C. straminea Willd. — Meadows, pastures, roadsides, and open 

 woodland ; frequent. 



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. stridior Dewey; vid. Bull. Torr. Bot. 

 Club, 40: 415, 1915.) 



Occasional; Williamstown (Dewey); Florida; Hancock, altitude 

 2000 feet; Stockbridge; Sheffield (Churchill). 



var. decora Bailey. — (C. Haydeni 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, var. 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 mountain brooks, and 

 along the borders of the Deerfield and Farmington Rivers; com- 

 mon. 



C. tribuloides Wahlenb. — Low ground, particularly in swales in 

 the valley; frequent. 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. 



