FLORA OF BURLINGTON AND VICINITY 57 



POLYGALACEAE. MILKWORT FAMILY 



POL YG ALA (Tourn.) L. Mii^kwort 



P. paucifolia Willd. Fringed Polygala, Flowering Wintergreen. Woods, 

 I in liglit soil; common. May. A white-flowered form occurs, Bur- 



lington, (Bigelow). 



P. polygaina Walt. Racemed Milkwort. Dry sandy soil; occasional. 

 June, July. 



P. sauguiuea L. Field or Purple Milkwort. Moist sandy soil; rare. 

 July-Sept. Burlington, (N. F. F.). 



P. Senega L. Seneca Snakeroot. Rocky soil; frequent. May, June. 



P. yerticillata L., var. ambigua (Nutt.) Wood. Loose-spiked Milk- 

 wort. Dry sandy soil; rare. Aug. Burlington, (Howe)'. 



EUPHORBIACEAE. SPURGE FAMILY 



I ACALYPHA L. ThrEE-seeded MErcury 



■ A. Yirgiuica L. Moist hollows in fields; frequent. July-Sept. 



F EUPHORBIA L. Spurge 



E. COROLLATA L. Flowering Spurge. Established in sandy field, Bur- 

 lington, (N. F. F.). July, Aug. 



E. Cyparissias L. Cypress Spurge, Graveyard Moss. A frequent es- 

 cape from cultivation about old houses and by roadsides. May- 

 P Sept. 



E. Helioscopia L. Wartweed. Gravelly shores and along Rutland 

 R. R. ; frequent. Aug., Sept. 



E. Iiirsnta (Torr.) Wiegand. Dry sandy soil; common. July-Sept. 



E. maculata L. Milk Purslane. Open places, roadsides, etc.; fre- 

 quent. July-Sept. 



E. PLATYPHYLLA L. Shore of Lake Champlain, Shelburne, (Pringle, 

 N. F. F.). June-Aug. 



CALLITRICHACEAE. WATER STARWORT FAMILY 



CALLITRICHE L. WATER Starwort 

 C. palnstris L. Quiet water; occasional. July, Aug. 



