An illustrated flora of the 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 ed2illustratedflo02brit Year: 1913 I. Trifolium agrarium L. Yellow or Hop- clover. Fig. 2474. Trifolium agrarium L. Sp. PI. 772. 1753. ?T. aureum Poll. Hist. PI. Palat. 2: 344. 1777. Glabrous or slightly pubescent, annual, ascending, branched, 6'-i8'high. Leaves petioled ; stipules linear- lanceolate, acuminate, 4'-7' long, adnate to the pe- tiole fo
An illustrated flora of the 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 ed2illustratedflo02brit Year: 1913 I. Trifolium agrarium L. Yellow or Hop- clover. Fig. 2474. Trifolium agrarium L. Sp. PI. 772. 1753. ?T. aureum Poll. Hist. PI. Palat. 2: 344. 1777. Glabrous or slightly pubescent, annual, ascending, branched, 6'-i8'high. Leaves petioled ; stipules linear- lanceolate, acuminate, 4'-7' long, adnate to the pe- tiole for about one-half its length; leaflets all from the same point, sessile, obovate or oblong, finely den- ticulate, narrowed at the base, rounded, truncate or eniarginate at the apex, 6'-9' long; peduncles axil- lary, J'-2' long; head oblong, or oval, 6'-9' long, densely many-flowered; flowers yellow, 2'-3' long, at length reflexed; pedicels shorter than the calyx; standard slightly emarginate, exceeding the pod, con- spicuously striate, and brown, especially when dry. Along roadsides and in waste places. Nova Scotia to South Carolina, west to Ontario, western New York and Iowa. Naturalized from Europe. May-Sept. Trifolium procumbens L. Low, or Smaller Hop-clover or Hop-trefoil. Fig. 2475. Trifolium procumbens L. Sp. PI. 7/2 â 753- Similar to the preceding species, but lower, more spread- ing and more pubescent. Leaflets obovate, cuneate at the base, rounded, truncate or emarginate at the apex, finely denticulate, 4'-7' long, the lateral ones nearly sessile, the terminal distinctly stalked; stipules ovate, adnate to the lower part of the petiole, about 2' long; peduncles 3'-i2' long; heads 20-40-flowered, globose or short-oval, 4'-6' in greatest diameter; flowers yellow, at length reflexed, about 2' long; standard dilated, not folded, exceeding the and brown when dry. In fields and along roadsides, Nova Scotia to Onl ington, Georgia and Mississippi. Naturalized fr May
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