FLORA OF WORCESTER COUNTY. 283 
Cnicus, Tourn. Thistle. 
*lanceolatus, Hoffm. Common Thistle. Common. 
horridulus, Pursh. Southbridge. Z. £. Ammidown, 
altissimus, Willd., var. discolor, Gray. Not rare. 
muticus, Pursh. Swamp Thistle. Worcester. Prof. Zaton. 
pumilus, Torr. Pasture Thistle. Southbridge. 
L. E. Ammidown. 
*arvensis, Hoffm. Canada Thistle. Common. 
Kricta, Schreber. Dwarf Dandelion. 
Virginica, Willd. Upland woods and pastures. 
CicHorium, Tourn. Chicory. 
*Intybus, L. Roadsides, not rare. 
Lrontopon, L. Fall Dandelion. 
*autumnalis, L. Meadows and roadsides. Common 
in southern part of the county. 
Hreracium, Tourn. Hawkweed. 
*aurantiacum, L. Winchendon. A. S. AMen. 
Canadense, Michx. Copses, common. 
paniculatum, L. ss i 
venosum, L. Rattlesnake-weed. In dry woods. 
scabrum, Michx. Dry open woods. 
Gronovii, L. Hairy Hawkweed. Common. 
PRENANTHES, Vaill. Rattlesnake-root. 
alba, L. White Lettuce. Rich woods, common. 
serpentaria, Pursh. Lion’s-foot. G. £. Stoner 
altissima, L. Rich woods, not rare. 
Taraxacum, Haller. Dandelion. 
*officinale, Weber. Common Dandelion. Everywhere. 
Lacruca, Tourn. Lettuce. 
Canadensis, L. Wild Lettuce. Rich soil, common. 
