HOFFMANN: FLORA OF BERKSHIRE COUNTY. 235 



With the variety, Sheffield. 



S. hudsonianus (Michx.) Fernald. — {Eriophorum alpinum 111. 

 Fl. ed. 2.) 



Peat bogs and peaty meadows; frequent. 



S. lineatus Michx. — Wet, sandy or clayey soil, roadside ditches; 

 frequent in the valley in calcareous soU. 



S. Peckii Britton. — Wet meadows; occasional. Lenox; Tyring- 

 ham; Sandisfield. 



S. pedicellatus Fernald. — (S. cyperinus 111. Fl. ed. 2 in part.) 



Wet meadows, swamps and marshes; frequent. A form from 

 Lenox has unusually reddish-brown involucels. 



var. pullus Fernald. — Williamstown (Churchill). 



S. planifolius Muhl. — Occasional in dry woods in the south- 

 western part of the County. Egremont; Bash Bish Falls, Mt. 

 Washington (Knowlton). 



S. rubrotinctus Fernald. — (S. microcarpus 111. Fl. ed. 2.) 



Wet spots in meadows, springy hillsides, marshes; common. 



var. confertus Fernald. — Swale, Lanesboro (Churchill). 



S. Smithii Gray, var. setosus Fernald. — (S. debilis 111. Fl. ed. 

 '2 in part.) 



Muddy shore of Rudd Pond, Becket; muddy spot in marsh, Lenox. 



S. subterminalis Torr. — Pools in peat bogs; frequent. 



S. sylvaticus L. — Borders of streams, and swamps; occasional in 

 the southern part of the valley. Stockbridge; New Marlboro; 

 Monterey (Walters). 



S. Torreyi Olney. — Border of shallow pond. Great Barrington. 



S. validus Vahl. — Margins of ponds and slow streams, in shallow 

 water; common. 



STENOPHYLLUS. 



S. capillaris (L.) Britton. — Sandy soil; common in parts of Shef- 

 field, occasional elsewhere in the valleys. Williamstown; Stock- 

 bridge; Great Barrington. 



ARACEAE. ARUM FAMILY. 

 ACORUS. Sweet Flag. 



A. Calamus L. Sweet Flag; Calamus. — Wet meadows and 

 marshes; common. 



