258 Bulletin 187 



S. patula MuhL Swamps; frequent in Bennington and Rutland Coun- 

 ties. 



S. puberula Nutt. Sandy soil of the lower altitudes; occasional. 



S. racemosa Greene. (S. humilis Gray's Manual, ed. 6 in part, not 

 Pursh). Rock banks of lakes and streams; occasional. 



8. Raudii (Porter) Britton. (S. Virgaurea and var. Redfieldii Porter). 

 Shady cliffs of the quartzite range of the Green Mountains, at an 

 altitude of 1,000-2,000 feet; cliffs of Mt. Mansfield and Willoughby 

 Mountain; headlands of Lake Champlain; common. Var. monticola 

 (Porter) Fernald. Cliffs, Mt. Mansfield and Willoughby ML; 

 common. 



S. inigosa Mill. Borders of fields and copses; common. 



S. serotiua Ait. Copses and fencerows of the lower altitudes; common. 



S. serotiua Ait., var. g'igantea (Ait.) Gray. Low grounds and moist 

 thickets; frequent. 



S. sqnarrosa Muhl. Rocky woods; occasional. 



S. ullg'iiiosa Nutt. Peatbogs; occasional. 



S. uliiiifolia Muhl. About base of the cliffs, North Pownal, (Eggles- 

 ton); Hartland, (F. P. Whiting). 



S. luacropliylla x riigosa Fernald. Near summit of Mt. Killington, 

 (Button and Kirk). 



SONCHUS. Sow Thistle 



S. arveusis* L. Field Sow Thistle. Shores and waste places, becoming 

 frequent. 



S. aisper* (L.) Hill. Spiny-leaved Sow Thistle. Waste places in rich 

 soil; frequent. 



S. oleraceus* L. Common Sov*' Thistle. Waste places with the pre- 

 ceding. 



TANACETUM. Tansy 



T. vulgare* L. Common Tansy. Roadsides; frequent. Var. erispum* 

 DC. With the species; frequent. 



TARAXACUM. (LEONTODON). Dandelion 

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



about ledges; frequent. 

 T. officinale* Weber. (L. Taraxacum L.). Common Dandelion. Com- 

 mon. Var. palustre* (Sm.) Blytt. Rutland, (Eggleston). 



TRAGOPOGON. Goat's Beard 

 T. prateiisis* I.,. Waste places; frequent. 



TUSSILAGO. Coltsfoot 

 T. Farfara* L. Moist clay banks and along mountain streams; com- 

 mon. 



XANTHIUM. Cocklebur 

 X. canadeuse Mill. (X. americanum Walt.). Shores of lakes and 



rivers; frequent. 

 X. coininuiie Britton. Shores of Lake Champlain; common. 

 X. ecliinatuin Murr. Lake shores and river banks; common. 



