FLORA OF BURLINGTON AND VICINITY 57 



POLYGALACEAE. MILKWORT FAMILY 



POL YG ALA (Toiirn.) L. Milkwort 



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

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

 lington, ( Bigelow ) . 



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

 June, July. 



P. sauguluea 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 



ACALYPHA L. Three-seeded Mercury 



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



EUPHORBIA L. Spurge 



E. coROELATA L. Floweriug 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- 

 Sept. 



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

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



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



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

 quent. July-Sept. 



E. PLATYPHYEEA L. Shorc of Lake Champlain, Shelburne, (Pringle, 

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



CALLITRICHACEAE. WATER STARWORT FAMILY 



CALLITRICHE L. Water Starwort 

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



