HOFFMANN: FLORA OF BERKSHIRE COUNTY. 317 



A. syriaca L. Common Milkweed. — Roadside banks and thick- 

 ets, railroad embankments, low open fields; common. 



var. inermis Churchill. — Low ground, Lanesboro (Churchill). 

 Vid. Rhodora, 20: 206 (1918). 



A form which lacks the spinous processes on the short, straight pods. 



A. tuberosa L. Buttekflt-weed. — Sandy soU; occasional in 

 the southern part of the valley. Stockbridge; Great Barrington; 

 Sheffield. 



CONVOLVULACEAE. CONVOLVULUS FAMILY. 

 CONVOLVULXTS. Bindweed. 



C. AHVENSis L., var. obtusifolius Choisy. — Railroad tracks, 

 Coltsville, Pittsfield (Churchill); Union Station, Pittsfield; roadside, 

 Stockbridge. 



C. sepium L. Wild Mobning Glory; Hedge Bindweed. — 

 Low ground, fields and roadsides; common. 



C. spithamaeus L. — Sandy soil; occasional in the southern part 

 of the County. Great Barrington (Schweinfurth) ; Sheffield. 



CUSCUTA. Dodder. 



C. arvensis Beyrich. — Field, Sandisfield (Walters). 

 C. Gronovii Willd. Doddee. — Low ground; frequent in the 

 valley. 



IPOMOEA. Morning Glory. 



I. puRPUBEA (L.) Roth. Common Morning Gloet. — Occasion- 

 ally escaping from cultivation to dumps and waste ground. 



polemoniaceae. polemonium family. 



PHLOX. Phlox. 



P. MACULATA L. WiLD SwEET WiLLiAM. — Established in a thicket 

 near an old house, Sandisfield. 



P. PANiCULATA L. Gaeden Phlox. — Occasionally escaping to 

 roadside thickets. Great Barrington (Waltiers) ; Mt. Washington. 



P. subulata L. Wild or Moss Pink. — Spreading in a grave- 

 yard, Sheffield. 



