92 FLORA OF BURLINGTON AND VICINITY 



S. puberula Nutt. Downy Golden-rod. Sandy soil; common. Aug., 

 Sept. 



S. raceniosa Greene. Rocky banks of Winooski River; occasional. 

 Aug. Winooski Gorge is the station of Pursh's type. 



S. rugosa Mill. Tall Hairy Golden-rod. Borders of fields and copses; 

 common. Aug., Sept. 



S. serotina Ait. Late Golden-rod. Thickets, in rich soil; frequent. 

 Aug., Sept. 



S. sqnarrosa Muhl. Stout Ragged Golden-rod. Dry woods; frequent. 

 Aug., Sept. 



S. uligiiiosa Nutt. Bog Golden-rod. Peat bogs; rare. Sept. South 

 Burlington, (Jones). 



SONCHUS (Tourn.) L. Sow Thistle 



S. ARVENSts L. Field Sow Thistle. Shores and waste places; occa- 

 sional. July-Sept. 



S. ASPER (L.) Hill. Spiny-leaved Sow Thistle. Waste places; occa- 

 sional. July-Oct. 



S. OLERACEus L. Common Sow Thistle. Waste places; frequent. July- 

 Oct. 



TANACETUM (Tourn.) L. Tansy 



T. vuLGARE L. Common Tansy. Roadsides, etc. ; frequent. Aug., Sept. 

 Var. CRiSPUM DC. South Burlington, (Ross) ; Burlington, (N. 

 F. F.). 



TARAXACUM (Haller) Ludwig. Dandelion 



T. erythrospermum Andrz. Red-seeded Dandelion. Shallow soil about 

 ledges; frequent. Apr., May. 



T. officinale Weber. 'Common Dandelion. Common everywhere. 

 Apr.-Sept. 



TRAGOPOGON (Tourn.) L. Goat's Beard 



T. PR.\TENSis L. Roadsides and meadows; occasional. June-Sept. 



TUSSILAGO (Tourn.) L. Coltsfoot 

 T. Farfara L. Moist clay banks; occasional. Apr., May. 



