HOFFMANN: FLORA OF BERKSHIRE COUNTY. 267 



forma leucosepala Fernald. — (Vid. Rhodora, 19: 140, 1917.) 

 Sheffield. 



Sepals thinnish and petaloid, white, the larger ones scarcely pubes- 

 cent on the back, obovate-rounded above, 1.2 to 1.7 cm. long. 



ANEMONELLA. 



{Syndesmon 111, Fl. ed. 2.) 



A. thalictroides (L.) Spach. Rue Anemone. — Dry woods; 

 frequent in the southern part of the valley. Stockbridge; Great 

 Barrington; New Marlboro; Egremont; Sheffield. 



AQUILEGIA. Columbine; Honeysuckle. 



A. canadensis L. Columbine. — Open rocky woods and ledges; 

 common. 



forma fiaviflora (Tenney) Britton. — A form with pale yellow 

 flowers. Sheffield. 



forma Phippenii, (J. Robinson), n. comb. — Rocky pasture, Egre- 

 mont. 



A. VULGARIS L. — Occasionally escaping from gardens to roadsides. 

 Hancock ; Lenox ; Mt. Washington. 



CALTHA. Marsh Mauigold. 



C. palustris L. Cowslip. — In swamps and along brooks; com- 

 mon. 



CIMICIFUGA. BuGBANE. 



C. racemosa (L.) Nutt. Black Cohosh; Black Snakeroot. — 

 Native on rich and partly shaded banks, Sheffield (Walters). Also 

 occasionally escaping from cultivation to hedge-rows. New Marl- 

 boro; Great Barrington. Frequent in the western part of Sheffield 

 where it probably reaches its most northern station. 



Given by Dewe}' as only cultivated by the Shakers. May it not be 

 that this striking plant, which he could hardly have overlooked, has 

 worked its way northward in the last hundred years as the woods have 

 l)oen cleared and the soil has become drier? 



CLEMATIS. Clkmati.s; Virgin's. Bower. 



C. verticillaris UC. Pl-rple Clematis. — {Atragene amcricana 

 111. Fl. e<l. -l.) 



