FLORA OF BURLINGTON AND VICINITY 87 



A. puniceiis L. Purple-stemmed Aster. Low thickets and swamps; 

 frequent. Sept. 



A. Tradescanti L. Michaelmas Daisy. Low grounds; common. Sept. 



A. uinbellatus Mill. Flat-topped White Aster. Moist thickets; fre- 

 quent. Aug., Sept. 



A. undulatiis L. Wavy-leaved Aster. Dry copses; common. Aug., 

 Sept. Variable. 



A. Timiuens Lam. Small White Aster. Moist banks; occasional. Aug. 



A. Timiueus Lam., var. saxatilis Fern. Ledges of Winooski River, 



Williston, (Pringle); Burlington, (N. F. F.). Aug. 



BIDENS L. Bur Marigold 



B. Beckii Torr. Water Marigold. Ponds and deep slow streams; rare. 



Aug. Shelburne, (Jones); Colchester, (N. F. F., Mrs. Walker). 



B. ceniua L. Stick-tight. Wet places; common. Aug., Sept. 



B. couuata Muhl. Swamp Beggar-ticks. Swamps; occasional. Aug., 



Sept. 

 S. froiidosa L. Common Beggar-ticks. Damp grounds; common. 

 Aug., Sept. 



CARDUUS (Tourn.) L. PlumelEss Thistle 



C. CRiSPUS L. Adventive, South Burlington, (Chittenden). Aug. 



CENTAUREA L. Star Thistle 



C. Cyanus L. Blue Bottle, Bachelor's Button, Corn Flower. Spon- 

 taneous in gardens and occasionally adventive elsewhere. June- 

 Sept. 



CHRYSANTHEMUM (Tourn.) L. Ox-Eye Daisy 



C. LeucanthEmum L., var. pinnatifidum Lecoq & Lamotte. Ox-eye or 

 White Daisy, Marguerite, Whiteweed. A common and pernicious 

 weed in fields and meadows. June-Oct. 



CICHORIUM (Tourn.) L. Succory or Chicory 



C. Intybus L. Common Chicory, Blue Sailors. Roadsides and fields; 

 common in Burlington, less so elsewhere. July, Aug. 



