302 PROCEEDINGS BOSTON SOCIETY NATURAL HISTORY. 



sionally in moist ground; low ground under pines, Stockbridge; alder 

 thicket, Mt. Washington (Brainerd). 



V. nephrophylla Greene. — Swampy woods and margins of moun- 

 tain brooks and streams, chiefly in shade; common on the plateau, 

 frequent in the valleys. Flowers late and about June 1 makes with 

 V. ■pollens ribbons of blue and white along the roadsides on the 

 plateau. 



V. ODOBATA L. English or Sweet Violet. — Plants sent by Miss 

 Mitford from' England to Miss Catherine Sedgwick in the first half of 

 the 19th century, and set out on a shaded bank in Stockbridge, have 

 spread and perpetuated themselves to the present time. 



V. pallens (Banks) Brainerd. Sweet White Violet. — ^Wet 

 places; common. Ice Pond, Greylock (altitude 3000 feet). 



Blossoming late and forming with V. nephrophylla ribbons of blue 

 and white along upland roads, in early June. 



V. palmata L. — Dry woods; frequent in the southern and western 

 part of the valley. Altitude 1700 feet, West Stockbridge Mt. 



V. papilionacea Pursh. — Moist shaded places; common. Often 

 in door-yards and in rich ground. A white-flowered form is frequent. 



V. pubescens Ait. Downy Yellow Violet. — Rich woods; 

 common. Less common than V. eriocarpa and generally in drier 

 woods. 



V. renifolia Gray. — Cold swamp, Stockbridge; damp woods. 

 Great Barrington. 



var. Brainerdii (Greene) Fernald. — Vid. Rhodora, 14: 88 (1912). 



Cold swamps and cool woods. 



Upper leaf-surfaces quite glabrous from the first or in anthesis 

 (flowering time) with only a very few scattered and quickly deciduous 

 hairs. 



V. rostrata Pursh. Long-spurred Violet. — Rich woods; fre- 

 quent. Altitude 1200 feet, New Boston. 



forma Phelpsiae Fernald. — Vid. Rhodora, 17: 180 (1915). 



Rich rocky woods. West Stockbridge (Walters). Flowers white. 



V. rotundifolia Michx. Early Yellow Violet. — Woods; 

 common. Generally under deciduous trees but occasionally under 

 pines (Stockbridge). 



V. Selkirkii Pursh. Great-spurred Violet. — Rich woods, 

 generally on or near rocks, but often in leaf mould; frequent in the 

 northern tier of towns, Williamstown, Florida, Adams and Sa\-oy, 



