4. Trifolium Incarnatum L. Crimson, Carnation, French Or Italian Clover

Fig. 2477

Trifolium incarnatum L. Sp. Pl. 769. 1753

Annual, erect, softly pubescent, little branched, 6'-3° high. Leaves long-petioled; stipules broad, membranous, dentate, 4"-12" wide; leaflets all from the same point, very nearly sessile, obovate or obcordate, narrowed or cuneate at the base, denticulate, 6"-12" long; heads terminal, oblong or ovoid, l'-2 1/2' long; flowers sessile, 4"-6" long; calyx hairy; corolla crimson, equalling or exceeding the subulate plumose calyx-lobes.

In fields, waste places and ballast, Maine to New York, New Jersey and Virginia. Cultivated for der and for nitrogenizing the soil. Introduced from Europe. Called also Napoleons. Summer.

4 Trifolium Incarnatum L Crimson Carnation French  8194 Trifolium Incarnatum L Crimson Carnation French  820

5. Trifolium Arvénse L. Rabbit-Foot, Old-Field Or Stone Clover

Fig. 2478

Trifolium arvense L. Sp. Pl. 769. 1753.

Annual, erect, freely branching, silky-pubescent, 6'-18' high. Leaves short-petioled; stipules narrow, 3"-5" long, subulate-tipped, entire or nearly so; leaflets all from the same point, linear or oblanceolate, denticulate above, obtuse and often emarginate, narrowed or cuneate at the base, 6"-12" long; heads terminal, peduncled, oblong or cylindric, 6"-12" long, very dense; flowers sessile; calyx very silky; corolla whitish, shorter than the subulate plumose calyx-lobes.

In fields and waste places, Quebec and Ontario to South Carolina, Florida, Tennessee and Missouri. Naturalized from Europe. Native also of northern Asia. Hare's-foot or pussy-clover. Calf-clover. Poverty-grass. Bottle-grass. Dogs and cats. Pussies. Pussy-cats. May-Sept.

6. Trifolium Praténse L. Red, Purple Or Meadow Clover

Fig. 2479

Trifolium pratense L. Sp. Pl. 768. 1753.

Perennial, more or less pubescent, branching, decumbent or erect, 6'-2° high. Leaves long-petioled; stipules ovate, strongly veined, subulate-tipped, 6"-10" long; leaflets short-stalked, all from the same point, oval, oblong, or obovate, narrowed at base, hardly cuneate, obtuse and sometimes emarginate at the apex, often dark-spotted near the middle, finely denticulate, ¥-2' long; heads globose or somewhat ovoid, sessile (rarely peduncled), about 1' long; flowers red (rarely white), sessile, about 6" long, remaining erect in fruit; calyx hairy, its subulate teeth shorter than the corolla.

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In fields and meadows, common throughout our area and in the southern States. Bermuda. Naturalized from Europe and widely cultivated for fodder. Native also of northern Asia. Leaflets commonly 3, sometimes 4-11. Marl- or cow-grass. Broad-leaved clover. Sugar-plums. Honeysuckle-clover, knap, suckles. April-Nov.

6 Trifolium Prat Nse L Red Purple Or Meadow Clover 8216 Trifolium Prat Nse L Red Purple Or Meadow Clover 822