PAPILIONACEAE. [Vor IL. 
4. Trifolium incarnatum IL, Crim- 
son, Carnation or Italian Clover. 
(Fig. 2073.) 
Trifolium incarnatum I,, 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, 1/-2!4’ long; flowers sessile, 4’/-6/’ 
long; calyx hairy; corolla crimson, equalling 
or exceeding the subulate plumose calyx-lobes. 
In fields, waste places and ballast, southern 
New York, New Jerseyand Pennsylvania. Occa- 
sionally cultivated for fodder. Introduced from 
Europe. Called also Napoleons. Summer. 
5. Trifolium arvénse I, Rabbit-foot, 
Old-field or Stone Clover. (Fig. 2074.) 
Trifolium arvense I,. Sp. Pl. 769. 1753. 
Anuual, erect, freely branching, silky-pubescent, 
6/-18’ high. Leaves short-petioled; stipules nar- 
row, 3/’-5’’ long, subulate-tipped, entire or nearly 
so; leaflets all from the same point, linear or ob- 
lanceolate, 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; calyx very 
silky; corolla whitish, shorter than the subulate 
plumose calyx-lobes. 
In fields and waste places, common in most sections 
turalized from Europe. 
Called also Hare’s-foot and Pussy Clover. 
throughout our area and in the southern States. Na- 
Native also of northern Asia. 
May-Sept. 
6. Trifolium praténse L. Red, Pur- 
ple or Meadow Clover. (Fig. 2075.) 
Trifolium pratense I,. Sp. Pl. 768. 1753. 
Perennial, more or less pubescent, branching, 
decumbent or erect, 6’-2° high. Leaves long- 
petioled; stipules ovate, strongly veined, subu- 
late-tipped, 6’’-10’” long; leaflets short-stalked, 
all from the same point, oval, oblong, or ob- 
ovate, narrowed at base, hardly cuneate, obtuse 
and sometimes emarginate at the apex, often 
dark-spotted near the middle, finely denticulate, 
34/-2/ long; heads globose or somewhat ovoid, 
sessile (rarely slightly peduncled), about 1/ long; 
flowers red (rarely white), sessile, about 6’’ long, 
remaining erect in fruit; calyx sparingly hairy, 
its subulate teeth shorter than the corolla. 
In fields and meadows, common throughout our 
area and in the southern States. Naturalized from 
Europe and widely cultivated for fodder. Native 
also of northern Asia, Leaflets commonly 3, some- 
times 4-11. English names, Honeysuckle Clover, 
Knap, Suckles. April-Nov. 
