. An illustrated flora of the northern United States, Canada and the British possessions : from Newfoundland to the parallel of the southern boundary of Virginia and from the Atlantic Ocean westward to the 102nd meridian. sand longer-tipped inner involucral bracts, appears tobe a northwestern race of this species. 3. Cirsium discolor (Muhl.) Spreng. FieldThistle. Fig. 4638. Cnicus discolor Muhl.; Willd. Sp. PI. 3 : 1670. 1804. Carduus discolor Nutt. Gen. 2: 130. 1818. Cirsium discolor Spreng. Syst. 3: 373. 1826, Similar to the preceding species, but lower andmore leafy, seldom over 7° high. Le
. An illustrated flora of the northern United States, Canada and the British possessions : from Newfoundland to the parallel of the southern boundary of Virginia and from the Atlantic Ocean westward to the 102nd meridian. sand longer-tipped inner involucral bracts, appears tobe a northwestern race of this species. 3. Cirsium discolor (Muhl.) Spreng. FieldThistle. Fig. 4638. Cnicus discolor Muhl.; Willd. Sp. PI. 3 : 1670. 1804. Carduus discolor Nutt. Gen. 2: 130. 1818. Cirsium discolor Spreng. Syst. 3: 373. 1826, Similar to the preceding species, but lower andmore leafy, seldom over 7° high. Leaves deeply pin-natifid into linear, linear-lanceolate or falcate, pricklytoothed segments, white tomentose beneath, sessile,the basal ones sometimes 12 long; heads iy-2 broad,about iV high, usually involucrate by the upperleaves, mostly solitary at the ends of the branches;outer bracts of the involucre coriaceous, ovate,slightly woolly, tipped with slender bristles, whichare longer than those of the preceding species; innerbracts lanceolate, acuminate, unarmed; flowers lightpurple or pink, rarely white. In fields and along roadsides. New Brunswick to On-tario, Georgia, Minnesota, Nebraska and Missouri. 55° \}..l/ COMPOSITAE.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, booky, thistle
