226 PROCEEDINGS: BOSTON SOCIETY NATURAL HISTORY. 



var. Haleana (Olney) Porter. — (C SAmm 111. Fl. ed. 2.) 

 Occasional ; Williamstown (Churchill) ; North Adams (Fernald and 

 Long); Stockbridge; West Stockbridge. 



C. Grayii Carey.— (C. Asa-Grayi 111. Fl. ed. 2.) 

 Swampy woods, Lenox; shaded thicket, Sheffield (Churchill); 

 river swale, Sheffield (Bissell). 



C. grisea Wahlenb. — Alluvial thickets and shaded banks of 

 streams; frequent in the valley. 



var. rigida Bailey. — (C. amphibola 111. Fl. ed. 2.) 



Alluvium of small stream, Sheffield (Bean and Fernald). 



C. Hitchcockiana Dewey. — Pockets of rich soil at the base of 

 shaded ledges; occasional. Williamstown (Davis), type locality; 

 Pittsfield; Sheffield (Walters). 



C. hystericina Muhl. — Wet meadows and borders of swamps; 

 common. 



C. intumescens Rudge. — Wet woods; occasional in the valley. 

 Williamstown (Burnham); Great Barrington; Sheffield. 



var. Fernaldii Bailey. — Wet woods; common. Summit of Grey- 

 lock, 3500 feet. 



C. laevivaginata (Kuckenth.) Mackenzie. — (C. stipata Man. 

 ed. 7 in part; vid. Rhodora, 17: 231, 1915.) 



Low swampy ground; frequent. 



C. lanuginosa Michx. — Swales along the Housatonic River; occa- 

 sional in the southern part of the County. Stockbridge; Great 

 Barrington; Sheffield. Common in Sheffield. 



C. laxiculmis Schwein. — Rich woods, often under pines; frequent 

 in the valley. 



var. copulata (Bailey) Fernald. — Rich woods, Sandisfield. 



C. laxiflora Lam. — (C. anceps 111. Fl. ed. 2.) 



Rich woods; occasional. Savoy; Stockbridge; West Stockbridge; 

 New Marlboro; Egremont (Churchill and Schneider). 



var. blanda (Dewey) Boott.— (C. blaixda 111. Fl. ed. 2.) 



Rich woods; frequent in the valley. 



var. latifolia Boott. — (C. albursina 111. Fl. ed. 2.) 



Rich woods; occasional in the valley. North Adams; Lanesboro; 

 Pittsfield; Stockbridge; Sheffield (Walters). 



var. patulifolia (Dewey) Carey. — (C. anceps 111. Fl. ed. 2 in part.) 



Rich woods; common. 



var. varians Bailey. — (C. blanda 111. Fl. ed. 2 in part.) 



