. 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 102d meridian. Botany; Botany. FABACEAE. Vol. II. 7. Trifolium medium L. Zig-zag or Mammoth Clover. Cow- or Marl- grass. Fig. 2480. T, medium L. Amoen. Acad. 4: 105. 1759. Closely resembling the preceding species. Stem sometimes conspicuously zigzag, but often straight, finely pubescent or glabrate. Stipules lanceolate; leaflets lanceolate or oblong, not spotted, frequently entire except for
. 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 102d meridian. Botany; Botany. FABACEAE. Vol. II. 7. Trifolium medium L. Zig-zag or Mammoth Clover. Cow- or Marl- grass. Fig. 2480. T, medium L. Amoen. Acad. 4: 105. 1759. Closely resembling the preceding species. Stem sometimes conspicuously zigzag, but often straight, finely pubescent or glabrate. Stipules lanceolate; leaflets lanceolate or oblong, not spotted, frequently entire except for the pro- jecting tips of the veins; heads always more or less peduncled; flowers very nearly sessile; corolla 6"-y" long, bright purple; calyx-tube nearly glabrous, the teeth slightly pubescent. In fields and waste places. Nova Scotia, Ontario and Massacfiusetts. Erroneously recorded from Missouri and elsewhere. Adventive or naturalized from Europe. Native also of Siberia, Cow- or giant-clover. Pea-vine clover. Summer. 8. Trifolium Beckwithii Brewer. Beck- with's Clover. Fig. 2481. Trifolium Beckwithii Brewer; S. Wats. Proc. Am. Acad. II : 128. 1876. Perennial, glabrous throughout; stems rather stout, erect or nearly so, straight, 6'-i8' high. Basal leaves on long petioles; stipules narrow, acute, 1' long or less; leaflets oblong, or some- what oblanceolate, obtuse, denticulate, 9"-2' long; heads long-peduncled, globose, i'-i4' thick; flowers purple or purplish, 6"-9" long, very short-pedicelled, the lower at length re- flexed ; calyx-teeth glabrous, linear-subulate, the longer nearly equalling the tube; pod 2-6- seeded. Eastern South Dakota, probably introduced from farther west. Native from Montana to Cali- fornia. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Britton
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
