HOFFMANN: FLORA OF BERKSHIRE COUNTY. 313 



On gravelly hills near the Housatonic Ri\'er in Pittsfield, where glacial 

 drift overlies the limestone. 



V. canadense Kalm. — Swamps and upland woods; common on 

 Greylock and on the plateau as far south as Washington and Becket. 

 Occurs also on The Dome, Sheffield, and on the adjoining mountain 

 mass. A specimen collected by Churchill in a bog in Lanesboro has 

 practically glabrous lea\'es. Lowest altitude 1150 feet, swamp on the 

 divide between Pittsfield and Cheshire. 



V. corymbosum L. High-bush Bluebehky.^ Common in 

 hillside pastures on the plateau; frequent in the valley in swamps and 

 on the borders of ponds, absent from calcareous SoU, except where 

 glacial drift overlies thickly the limestone. 



var. amoenum (Ait.) Gray. — Savoy (altitude 2000 feet) ; woods, 

 Mt. Washington (Churchill). 



var. pallidum (Ait.) Gray. — With the type; occasional. Lenox; 

 Stockbridge; New Marlboro; Great Barrington; West Stockbridge 

 (Evans, Fernald and Knowlton) . 



V. macrocarpon Ait. Ceanberby. — {Oxycoccus macrocarpus 

 111. Fl. ed. 2.) 



Bogs; frequent. Occasional on wet roadsides on the plateau. 



V. Oxycoccos L. Small Ceanbeeey. — {Oxycoccus Oxycoccus 

 111. Fl. ed. 2.) 



Bogs; occasional on the plateau. Savoy; Becket; New Marlboro 

 (Walters); Sandisfield. 



var. ovalifolium Michx. — (var. intermedium Man. ed. 7; vid. 

 Rhodora, 11 : 54, 1909.) 



Peat bog, Sheffield. 



V. pennsylvanicum Lam. Low Bluebeeey. — ( V. angusti- 

 folium 111. Fl. ed. 2.) 



Open woods and pastures, rocky summits; common except in cal- 

 careous soil. Occasional on limestone cobbles and in calcareous 

 meadows. 



var. myrtilloides (Michx.) Fernald. — Leaves and young twigs 

 pilose; leaves with bristle-tipped teeth. Distinguished from V. 

 canadense by the bristle-tipped teeth of the leaves and their lustrous 

 appearance (vid. Rhodora, 10: 148, 1908). 



Hillside pasture, Florida. 



var. nigrum Wood. — ( V. nigrum 111. Fl. ed. 2.) 



With the type; frequent. 



